

465 

FPCA52 TJSJ 210103

ZFPPR 



Zone Forecast Product for Puerto Rico and the U.S. Virgin Islands

National Weather Service San Juan PR

903 PM AST Thu Aug 20 2020



PRZ001-210830-

San Juan and Vicinity-

Including the municipalities of Bayamon, Carolina, Catano, Guaynabo, 

San Juan, Toa Alta, Toa Baja, and Trujillo Alto

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 81 lower elevations ranging to 73 higher

elevations. East winds up to 10 mph. Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Isolated thunderstorms early in the morning. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

Highs around 87. Northeast winds 5 to 15 mph. Chance of rain

50 percent. 

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 82 lower elevations ranging to 73 higher

elevations. Northeast winds 5 to 15 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 82. North winds up to 10 mph shifting to the south in

the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 79 lower elevations ranging to 72 higher

elevations. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

.SUNDAY...Mostly cloudy with scattered showers and isolated

thunderstorms in the morning, then variably cloudy with scattered

showers in the afternoon. Highs around 86. Chance of rain

50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.MONDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 84 higher elevations. Chance of rain

40 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 80 lower elevations ranging to 72 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Variably cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

92 lower elevations ranging to 87 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 72 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs around

86. Chance of rain 40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

81 lower elevations ranging to 74 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Variably cloudy with scattered showers. Highs around 86.

Chance of rain 50 percent. 



$$



PRZ002-210830-

Northeast-

Including the municipalities of Ceiba, Canovanas, Fajardo, Humacao, 

Loiza, Luquillo, Naguabo, and Rio Grande

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 82 lower elevations ranging to 70 higher

elevations. East winds up to 10 mph with gusts to around 25 mph.

Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Isolated thunderstorms early in the morning. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

Highs 90 lower elevations ranging to 79 higher elevations. Northeast

winds 5 to 15 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 82 lower elevations ranging to 70 higher

elevations. Northeast winds 5 to 15 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs 85 lower elevations ranging to 79 higher elevations. West

winds up to 10 mph increasing to south 10 to 20 mph in the

afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows 80 lower elevations ranging to 69 higher

elevations. Southeast winds 15 to 25 mph with gusts to around

40 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy with scattered showers and isolated

thunderstorms in the morning, then variably cloudy with scattered

showers in the afternoon. Highs 89 lower elevations ranging to

81 higher elevations. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 70 higher elevations. Chance of rain

20 percent. 

.MONDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 78 higher elevations. Chance of rain

40 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 81 lower elevations ranging to 69 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers in the morning, then

partly cloudy with isolated showers in the afternoon. Highs 90 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 69 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 90 lower

elevations ranging to 80 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Lows

82 lower elevations ranging to 70 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Highs 90 lower elevations ranging to

80 higher elevations. Chance of rain 50 percent. 



$$



PRZ003-210830-

Southeast-

Including the municipalities of Arroyo, Guayama, Maunabo, Patillas, Salinas, 

and Yabucoa

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms after midnight. Lows 82 lower elevations

ranging to 72 higher elevations. Northeast winds 5 to 10 mph. Chance

of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Isolated thunderstorms early in the morning. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

Highs 91 lower elevations ranging to 82 higher elevations. Northeast

winds 5 to 15 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

82 lower elevations ranging to 72 higher elevations. North winds

5 to 10 mph with gusts to around 25 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs 85 lower elevations ranging to 79 higher elevations. West

winds up to 10 mph shifting to the south in the afternoon. Gusts up

to 30 mph. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows 80 lower elevations ranging to 69 higher

elevations. Southeast winds 15 to 20 mph with gusts to around

35 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 88 lower

elevations ranging to 83 higher elevations. Chance of rain

50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 72 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers. Highs 89 lower

elevations ranging to 81 higher elevations. Chance of rain

20 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 81 lower elevations ranging to 71 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy in the morning then becoming partly cloudy.

Isolated showers. Highs 89 lower elevations ranging to 82 higher

elevations. Chance of rain 20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 70 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 90 lower

elevations ranging to 82 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

82 lower elevations ranging to 72 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Variably cloudy with scattered showers. Highs 90 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. 



$$



PRZ004-210830-

Eastern Interior-

Including the municipalities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, 

Gurabo, Juncos, Las Piedras, and San Lorenzo

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 72 higher

elevations. Northeast winds up to 5 mph. Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Isolated thunderstorms early in the morning. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

Highs 90 lower elevations ranging to 81 higher elevations. Northeast

winds up to 10 mph increasing to 10 to 15 mph in the afternoon.

Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 71 higher

elevations. North winds up to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 81. West winds 5 to 10 mph shifting to the south 10 to

15 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 76 lower elevations ranging to 69 higher

elevations. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

.SUNDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 87 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 77 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.MONDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 80 higher elevations. Chance of rain

50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 75 lower elevations ranging to 70 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Highs

90 lower elevations ranging to 81 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 70 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 81 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

78 lower elevations ranging to 72 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 81 higher elevations. Chance of rain

50 percent. 



$$



PRZ005-210830-

North Central-

Including the municipalities of Arecibo, Barceloneta, Dorado, Florida, 

Manati, Vega Alta, and Vega Baja

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 79 lower elevations ranging to 72 higher

elevations. East winds 5 to 15 mph. Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Scattered showers and isolated thunderstorms early in the

morning, then isolated showers late in the morning. Scattered

showers and isolated thunderstorms in the afternoon. Highs around

87. Northeast winds 5 to 15 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

80 lower elevations ranging to 74 higher elevations. Northeast winds

5 to 15 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 83. North winds 5 to 10 mph shifting to the south in

the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 72 higher

elevations. Southeast winds 5 to 15 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy with scattered showers and isolated

thunderstorms. Highs 87 lower elevations ranging to 82 higher

elevations. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 79 lower

elevations ranging to 72 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Highs

around 88. Chance of rain 40 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 77 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 93 lower elevations ranging to 87 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers and isolated

thunderstorms in the afternoon. Highs around 87. Chance of rain

50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

79 lower elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 87. Chance of rain 50 percent. 



$$



PRZ006-210830-

Central Interior-

Including the municipalities of Aibonito, Barranquitas, Ciales, Coamo, 

Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms after midnight. Lows 77 lower elevations

ranging to 69 higher elevations. Northeast winds up to 5 mph. Chance

of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Scattered showers through the day. Isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 78 higher

elevations. Northeast winds 5 to 15 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

77 lower elevations ranging to 68 higher elevations. Northeast winds

5 to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 80. Northwest winds up to 10 mph shifting to the south

in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 76 lower elevations ranging to 65 higher

elevations. Southeast winds 5 to 15 mph with gusts to around 30 mph.

Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 87 lower

elevations ranging to 79 higher elevations. Chance of rain

50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Variably cloudy with scattered showers. Lows

75 lower elevations ranging to 67 higher elevations. Chance of rain

40 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 79 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 75 lower

elevations ranging to 68 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers and isolated

thunderstorms in the afternoon. Highs 89 lower elevations ranging to

78 higher elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

77 lower elevations ranging to 66 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 



$$



PRZ007-210830-

Ponce and Vicinity-

Including the municipalities of Guayanilla, Juana Diaz, Yauco, Penuelas, 

Ponce, and Santa Isabel

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Variably cloudy with scattered showers early in

the evening, then mostly cloudy with scattered showers and isolated

thunderstorms after midnight. Lows 79 lower elevations ranging to

69 higher elevations. Northeast winds 5 to 10 mph. Chance of rain

50 percent. 

.FRIDAY...Variably cloudy. Scattered showers early in the morning,

then isolated showers late in the morning. Scattered showers in the

afternoon. Highs 91 lower elevations ranging to 78 higher

elevations. East winds 5 to 10 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Variably cloudy. Scattered showers and isolated

thunderstorms in the evening, then scattered showers after midnight.

Lows 79 lower elevations ranging to 68 higher elevations. North

winds up to 10 mph. Chance of rain 50 percent. 

.SATURDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the morning, then numerous showers and

isolated thunderstorms in the late morning and afternoon. Highs

85 lower elevations ranging to 78 higher elevations. Northwest winds

up to 5 mph shifting to the south 5 to 15 mph in the afternoon.

Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 78 lower elevations ranging to 65 higher

elevations. Southeast winds 10 to 20 mph with gusts to around

35 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms in the morning, then numerous showers and isolated

thunderstorms in the afternoon. Highs 87 lower elevations ranging to

78 higher elevations. Chance of rain 70 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy. Isolated showers in the morning, then

isolated showers and thunderstorms in the afternoon. Highs 89 lower

elevations ranging to 79 higher elevations. Chance of rain

20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 68 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers and isolated

thunderstorms in the afternoon. Highs 90 lower elevations ranging to

78 higher elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

79 lower elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 



$$



PRZ008-210830-

Northwest-

Including the municipalities of Aguadilla, Camuy, Hatillo, Isabela, 

and Quebradillas

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Variably cloudy early in the evening then

becoming mostly cloudy. Numerous showers early in the evening.

Isolated thunderstorms through the night. Scattered showers after

midnight. Lows 80 lower elevations ranging to 73 higher elevations.

East winds 5 to 15 mph. Chance of rain 60 percent. 

.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.

Scattered showers and isolated thunderstorms early in the morning,

then isolated showers late in the morning. Scattered showers and

isolated thunderstorms in the afternoon. Highs around 88. Northeast

winds 10 to 20 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

82 lower elevations ranging to 74 higher elevations. East winds

10 to 15 mph with gusts to around 30 mph. Chance of rain 70 percent.

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 83. Northeast winds 5 to 15 mph shifting to the

southwest 5 to 10 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 78 lower elevations ranging to 72 higher

elevations. Southeast winds 5 to 15 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms in the morning, then numerous showers and isolated

thunderstorms in the afternoon. Highs 88 lower elevations ranging to

82 higher elevations. Chance of rain 70 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 72 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Partly cloudy with isolated showers. Highs around 87.

Chance of rain 20 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 79 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 86. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 79 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs around 88. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

81 lower elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 88. Chance of rain 50 percent. 



$$



PRZ009-210830-

Western Interior-

Including the municipalities of Adjuntas, Lares, Las Marias, Maricao, 

Sabana Grande, San Sebastian, and Utuado

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 71 higher

elevations. East winds up to 10 mph. Chance of rain 50 percent. 

.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.

Scattered showers early in the morning, then isolated showers late

in the morning. Scattered showers and isolated thunderstorms in the

afternoon. Highs 91 lower elevations ranging to 79 higher

elevations. Northeast winds up to 10 mph with gusts to around

25 mph. Chance of rain 50 percent. 

.FRIDAY NIGHT...Variably cloudy with scattered showers early in the

evening, then mostly cloudy with scattered showers and isolated

thunderstorms in the late evening and overnight. Lows 78 lower

elevations ranging to 70 higher elevations. Northeast winds up to

10 mph. Chance of rain 50 percent. 

.SATURDAY...Cloudy. Scattered showers and isolated thunderstorms

early in the morning, then numerous showers and isolated

thunderstorms in the late morning and afternoon. Highs around 81.

North winds up to 10 mph shifting to the south in the afternoon.

Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 67 higher

elevations. Southeast winds 5 to 15 mph with gusts to around 30 mph.

Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms in the morning, then numerous showers and isolated

thunderstorms in the afternoon. Highs 86 lower elevations ranging to

78 higher elevations. Chance of rain 70 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 69 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 69 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 88 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 69 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 89 lower elevations ranging to 80 higher

elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

77 lower elevations ranging to 69 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 80 higher

elevations. Chance of rain 50 percent. 



$$



PRZ010-210830-

Mayaguez and Vicinity-

Including the municipalities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, 

Rincon, and San German

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Variably cloudy then becoming mostly cloudy late

in the evening then becoming variably cloudy. Scattered showers

through the night. Isolated thunderstorms late in the evening. Lows

83 lower elevations ranging to 74 higher elevations. East winds 5 to

15 mph with gusts to around 30 mph. Chance of rain 50 percent. 

.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.

Scattered showers early in the morning, then isolated showers late

in the morning. Numerous showers and isolated thunderstorms in the

afternoon. Highs 91 lower elevations ranging to 82 higher

elevations. East winds 5 to 15 mph with gusts to around 30 mph.

Chance of rain 60 percent. 

.FRIDAY NIGHT...Variably cloudy. Scattered showers through the

night. Isolated thunderstorms in the late evening and early morning.

Lows 83 lower elevations ranging to 73 higher elevations. Northeast

winds 10 to 15 mph with gusts to around 35 mph. Chance of rain

50 percent. 

.SATURDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the morning, then numerous showers and

isolated thunderstorms in the late morning and afternoon. Highs

85 lower elevations ranging to 80 higher elevations. Northeast winds

5 to 15 mph shifting to the southwest 5 to 10 mph in the afternoon.

Gusts up to 30 mph. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows 82 lower elevations ranging to 71 higher

elevations. Southeast winds 10 to 15 mph increasing to 15 to 25 mph

after midnight. Gusts up to 40 mph. Chance of rain 70 percent. 

.SUNDAY...Mostly cloudy with numerous showers and isolated

thunderstorms. Highs 89 lower elevations ranging to 80 higher

elevations. Chance of rain 70 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 82 lower

elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 84 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 82 lower

elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 87 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 82 lower

elevations ranging to 72 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 89 lower elevations ranging to 83 higher

elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

83 lower elevations ranging to 74 higher elevations. Chance of rain

less than 20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 83 higher

elevations. Chance of rain 50 percent. 



$$



PRZ011-210830-

Southwest-

Including the municipalities of Cabo Rojo, Guanica, and Lajas

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Variably cloudy. Scattered showers. Lows around

79. Northeast winds 5 to 10 mph. Chance of rain 40 percent. 

.FRIDAY...Partly cloudy in the morning then becoming variably

cloudy. Isolated showers in the morning, then scattered showers in

the afternoon. Isolated thunderstorms late in the afternoon. Highs

92 lower elevations ranging to 87 higher elevations. East winds up

to 10 mph shifting to the southeast in the afternoon. Chance of rain

50 percent. 

.FRIDAY NIGHT...Variably cloudy with isolated showers until early

morning, then variably cloudy with scattered showers early in the

morning. Lows around 79. Northeast winds 5 to 10 mph. Chance of rain

40 percent. 

.SATURDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with numerous showers and isolated thunderstorms

in the afternoon. Highs around 83. North winds 5 to 10 mph shifting

to the south 5 to 15 mph in the afternoon. Chance of rain

60 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 78. Southeast winds 15 to 20 mph

increasing to 20 to 30 mph after midnight. Chance of rain

70 percent. 

.SUNDAY...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Highs 89 lower elevations ranging to

84 higher elevations. Chance of rain 70 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 76 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 88. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 75 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers. Highs around 85.

Chance of rain 20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 75 higher elevations. Chance of rain less than

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers in the afternoon. Highs

around 88. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

81 lower elevations ranging to 76 higher elevations. Chance of rain

less than 20 percent. 

.THURSDAY...Partly cloudy with isolated showers. Breezy. Highs

around 88. Chance of rain 20 percent. 



$$



PRZ012-210830-

Culebra-

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms early in the evening, then scattered showers and

isolated thunderstorms after midnight. Breezy. Lows around 83. East

winds 15 to 20 mph. Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Breezy. Isolated thunderstorms early in the morning.

Scattered showers through the day. Isolated thunderstorms in the

afternoon. Highs 90 lower elevations ranging to 84 higher

elevations. Northeast winds 15 to 20 mph. Chance of rain 50 percent.

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 83. Northeast winds 15 to 20 mph

with gusts to around 35 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 83. Northwest winds 5 to 10 mph increasing to

south 20 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Windy. Lows around 80. Southeast winds 20 to 30 mph

with gusts to around 45 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy with scattered showers. Breezy. Highs

89 lower elevations ranging to 84 higher elevations. Chance of rain

30 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

around 82. Chance of rain 20 percent. 

.MONDAY...Variably cloudy with scattered showers. Breezy. Highs

89 lower elevations ranging to 83 higher elevations. Chance of rain

40 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 82. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers in the morning, then

partly cloudy with isolated showers in the afternoon. Highs 89 lower

elevations ranging to 83 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around

82. Chance of rain 20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 84 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Lows around

83. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 89 lower elevations ranging

to 84 higher elevations. Chance of rain 50 percent. 



$$



PRZ013-210830-

Vieques-

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms early in the evening, then scattered showers and

isolated thunderstorms after midnight. Lows around 82. East winds

10 to 20 mph. Chance of rain 60 percent. 

.FRIDAY...Variably cloudy in the morning then becoming mostly

cloudy. Isolated thunderstorms early in the morning. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

Highs around 88. Northeast winds 10 to 20 mph. Chance of rain

50 percent. 

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 82. Northeast winds 15 to 20 mph

with gusts to around 35 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 84. West winds 5 to 15 mph increasing to south

15 to 25 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Windy. Lows around 79. Southeast winds 20 to 30 mph

with gusts to around 45 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy. Scattered showers and isolated

thunderstorms in the morning, then scattered showers in the

afternoon. Breezy. Highs around 87. Chance of rain 40 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

around 81. Chance of rain 20 percent. 

.MONDAY...Variably cloudy with scattered showers. Breezy. Highs

89 lower elevations ranging to 84 higher elevations. Chance of rain

30 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 81. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers in the morning, then

partly cloudy with isolated showers in the afternoon. Highs around

87. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around

82. Chance of rain 20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs around

88. Chance of rain 40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Lows around

82. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs around 88. Chance of rain

50 percent. 



$$



VIZ001-210830-

St Thomas, St John and Adjacent Islands-

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy. Breezy. Numerous showers early in

the evening. Isolated thunderstorms through the night. Scattered

showers after midnight. Lows around 81. East winds 15 to 20 mph.

Chance of rain 60 percent. 

.FRIDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Breezy. Highs 92 lower elevations ranging to

85 higher elevations. East winds 15 to 20 mph. Chance of rain

50 percent. 

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows 83 lower elevations ranging to 78 higher

elevations. Northeast winds 15 to 25 mph. Chance of rain 60 percent.

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 82. Southeast winds 5 to 15 mph increasing to

20 to 30 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Windy. Lows 80 lower elevations ranging to 75 higher

elevations. Southeast winds 25 to 30 mph with gusts to around

45 mph. Chance of rain 70 percent. 

.SUNDAY...Partly cloudy with isolated showers. Breezy. Highs

89 lower elevations ranging to 83 higher elevations. Chance of rain

20 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

around 80. Chance of rain 20 percent. 

.MONDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Breezy.

Highs 92 lower elevations ranging to 84 higher elevations. Chance of

rain 40 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Breezy. Lows around 80. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers in the morning, then

partly cloudy with isolated showers in the afternoon. Highs 91 lower

elevations ranging to 84 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around

80. Chance of rain 20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 91 lower

elevations ranging to 85 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Breezy.

Lows around 81. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 91 lower elevations ranging

to 85 higher elevations. Chance of rain 50 percent. 



$$



VIZ002-210830-

St Croix-

903 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.REST OF TONIGHT...Mostly cloudy early in the evening then becoming

variably cloudy. Numerous showers early in the evening. Isolated

thunderstorms early in the evening. Scattered showers after

midnight. Lows around 81. East winds 10 to 20 mph. Chance of rain

60 percent. 

.FRIDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 92 lower elevations ranging to 85 higher

elevations. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

.FRIDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 80. Northeast winds 15 to 20 mph.

Chance of rain 60 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 82. Southwest winds 5 to 15 mph increasing to

south 20 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 78. Southeast winds 15 to 25 mph

with gusts to around 40 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Breezy.

Highs around 87. Chance of rain 30 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

around 81. Chance of rain 20 percent. 

.MONDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Breezy.

Highs 91 lower elevations ranging to 85 higher elevations. Chance of

rain 30 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 80. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers in the morning, then

partly cloudy with isolated showers in the afternoon. Highs 91 lower

elevations ranging to 85 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around

80. Chance of rain 30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 92 lower

elevations ranging to 85 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Lows around

81. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 92 lower elevations ranging

to 85 higher elevations. Chance of rain 50 percent. 



$$

