18 June 2025 Observation History, [CYKF] WATERLOO, timezone: America/Toronto

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Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Present Wx	Temperature (ºF)					Relative Humidity	Pressure		Snow Depth (in)	Precipitation (in.)
					Air	Dwpt	Feels Like	6 hour			altimeter (in.)	sea level (mb)		1 hr	3 hr	6 hr
								Max.	Min.
12:00 AM	S 9	9	BKN009		70	68	70			94%	29.85	1010.4		0
CYKF 180400Z AUTO 18008KT 9SM BKN009 21/20 A2985 RMK SLP104 DENSITY ALT 2100FT
1:00 AM	SSW 8	7	OVC007		70	68	70			94%	29.83	1009.9		0
CYKF 180500Z AUTO 20007KT 7SM OVC007 21/20 A2983 RMK SLP099 DENSITY ALT 2100FT
2:00 AM	SSW 7	7	BKN007		70	68	70			94%	29.83	1009.7		0
CYKF 180600Z AUTO 20006KT 7SM BKN007 21/20 A2983 RMK SLP097 DENSITY ALT 2100FT
2:30 AM	SSW 6	7	SCT007		68	68	68			100%	29.82	1009.7		0
CYKF 180630Z AUTO 19005KT 7SM SCT007 20/20 A2982 RMK SLP097 DENSITY ALT 2100FT
2:42 AM	SSW 6	7	BKN007		68	68	68			100%	29.82	1009.5		0
CYKF 180642Z AUTO 20005KT 7SM BKN007 20/20 A2982 RMK SLP095 DENSITY ALT 2100FT
3:00 AM	SW 5	7	OVC007		70	68	70			94%	29.82	1009.5		0
CYKF 180700Z AUTO 22004KT 180V250 7SM OVC007 21/20 A2982 RMK SLP095 DENSITY ALT 2100FT
3:08 AM	SW 3	5	OVC007	BR	70	68	70			94%	29.82	1009.7		0
CYKF 180708Z AUTO 22003KT 5SM BR OVC007 21/20 A2982 RMK SLP097 DENSITY ALT 2100FT
3:18 AM	S 7	6	OVC007	BR	70	68	70			94%	29.82	1009.6		0
CYKF 180718Z AUTO 18006KT 6SM BR OVC007 21/20 A2982 RMK SLP096 DENSITY ALT 2100FT
4:00 AM	SW 6	6	OVC007	BR	70	68	70			94%	29.82	1009.3		0
CYKF 180800Z AUTO 23005KT 6SM BR OVC007 21/20 A2982 RMK SLP093 DENSITY ALT 2100FT
5:00 AM	WSW 5	6	OVC007	BR	70	68	70			94%	29.82	1009.3		0
CYKF 180900Z AUTO 24004KT 6SM BR OVC007 21/20 A2982 RMK SLP093 DENSITY ALT 2200FT
6:00 AM	WSW 3	6	OVC007	BR	70	68	70			94%	29.83	1009.7		0
CYKF 181000Z AUTO 24003KT 220V290 6SM BR OVC007 21/20 A2983 RMK SLP097 DENSITY ALT 2200FT
6:12 AM	W 6	5	OVC007	BR	70	68	70			94%	29.83	1009.9		0
CYKF 181012Z AUTO 26005KT 5SM BR OVC007 21/20 A2983 RMK SLP099 DENSITY ALT 2200FT
7:00 AM	NW 3	5	OVC007	BR	70	68	70			94%	29.84	1010.2		0
CYKF 181100Z AUTO 32003KT 260V330 5SM BR OVC007 21/20 A2984 RMK SLP102 DENSITY ALT 2200FT
8:00 AM	VRB 2	5	OVC007	BR	72	68	72			88%	29.86	1010.6		0
CYKF 181200Z AUTO VRB02KT 5SM BR OVC007 22/20 A2986 RMK SLP106 DENSITY ALT 2200FT
9:00 AM	VRB 2	5	OVC009	BR	72	68	72			88%	29.86	1010.8		0
CYKF 181300Z AUTO VRB02KT 5SM BR OVC009 22/20 A2986 RMK LTNG DIST W NW SLP108 DENSITY ALT 2200FT
9:11 AM	VRB 2	6	OVC009	BR	72	70	72			94%	29.86	1010.8		0
CYKF 181311Z AUTO VRB02KT 6SM BR OVC009 22/21 A2986 RMK LTNG DIST W NW SLP108 DENSITY ALT 2300FT
9:51 AM	Calm	6	OVC011	BR	73	68	73			83%	29.86	1010.9		0
CYKF 181351Z AUTO 00000KT 6SM BR OVC011 23/20 A2986 RMK LTNG DIST W NW SLP109 DENSITY ALT 2400FT
10:00 AM	VRB 2	8	OVC011		73	70	73			89%	29.86	1011		0
CYKF 181400Z AUTO VRB02KT 8SM OVC011 23/21 A2986 RMK SLP110 DENSITY ALT 2400FT
10:27 AM	VRB 6	7	BKN013	VCTS	77	70	77			78%	29.87	1011.1		0
CYKF 181427Z AUTO VRB05KT 7SM VCTS BKN013 25/21 A2987 RMK LTNG DIST W NW SLP111 DENSITY ALT 2500FT
10:29 AM	VRB 5	8	BKN013	TS	75	70	75			83%	29.87	1011.1		0
CYKF 181429Z AUTO VRB04KT 8SM TS BKN013 24/21 A2987 RMK LTNG DIST W NW SLP111 DENSITY ALT 2500FT
10:50 AM	N 7	9	SCT015 BKN037 BKN170	VCTS	75	70	75			83%	29.86	1010.9		0
CYKF 181450Z AUTO 35006KT 310V010 9SM VCTS SCT015 BKN037 BKN170 24/21 A2986 RMK LTNG DIST ALQDS SLP109 DENSITY ALT 2500FT
10:51 AM	N 7	9	SCT015 BKN037 BKN170	TS	75	70	75			83%	29.86	1010.9		0
CYKF 181451Z AUTO 35006KT 9SM TS SCT015 BKN037 BKN170 24/21 A2986 RMK LTNG DIST ALQDS SLP109 DENSITY ALT 2500FT
10:54 AM	N 5	9	SCT017 BKN037 BKN170	TS	75	70	75			83%	29.87	1011		0
CYKF 181454Z AUTO 35004KT 9SM TS SCT017 BKN037 BKN170 24/21 A2987 RMK LTNG DIST ALQDS SLP110 DENSITY ALT 2500FT
11:00 AM	W 6	9	FEW017 BKN037 BKN170	TS	77	68	77			74%	29.87	1011.1		0
CYKF 181500Z AUTO 28005KT 270V010 9SM TS FEW017 BKN037 BKN170 25/20 A2987 RMK SLP111 DENSITY ALT 2500FT
11:13 AM	W 12	9	BKN041 BKN055 OVC170	VCTS	75	68	75			78%	29.87	1011.2		0
CYKF 181513Z AUTO 28010KT 9SM VCTS BKN041 BKN055 OVC170 24/20 A2987 RMK LTNG DIST N NE NW SLP112 DENSITY ALT 2500FT
11:38 AM	NNW 5	9	BKN049 BKN055 BKN077		75	66	75			74%	29.87	1011		0
CYKF 181538Z AUTO 34004KT 9SM BKN049 BKN055 BKN077 24/19 A2987 RMK LTNG DIST NE E S SLP110 DENSITY ALT 2500FT
11:46 AM	VRB 2	9	BKN055 BKN074 BKN200	VCTS	77	64	77			65%	29.86	1010.7		0
CYKF 181546Z AUTO VRB02KT 9SM VCTS BKN055 BKN074 BKN200 25/18 A2986 RMK LTNG DIST NE E S SLP107 DENSITY ALT 2500FT
12:00 PM	VRB 2	9	FEW055 SCT100 BKN130 BKN150	VCTS	79	64	79			61%	29.85	1010.6		0
CYKF 181600Z AUTO VRB02KT 9SM VCTS FEW055 SCT100 BKN130 BKN150 26/18 A2985 RMK SLP106 DENSITY ALT 2600FT
12:02 PM	N 5	9	FEW055 SCT100 BKN130 BKN150		79	63	79			58%	29.86	1010.5		0
CYKF 181602Z AUTO 35004KT 250V010 9SM FEW055 SCT100 BKN130 BKN150 26/17 A2986 RMK LTNG DIST ALQDS SLP105 DENSITY ALT 2600FT
1:00 PM	NW 10	9	SCT180 BKN200 OVC220		79	66	79			65%	29.85	1010.4		0
CYKF 181700Z AUTO 32009KT 9SM SCT180 BKN200 OVC220 26/19 A2985 RMK SLP104 DENSITY ALT 2700FT
1:43 PM	NNW 12	9	FEW024 SCT060 BKN089	-RA	77	70	77			78%	29.86	1010.7		0
CYKF 181743Z AUTO 33010KT 310V030 9SM -RA FEW024 SCT060 BKN089 25/21 A2986 RMK LTNG DIST SE S SLP107 DENSITY ALT 2500FT
1:48 PM	NNW 13	9	SCT022 SCT031 BKN060 BKN091	-TSRA	75	70	75			83%	29.86	1010.7		0
CYKF 181748Z AUTO 34011KT 9SM -TSRA SCT022 SCT031 BKN060 BKN091 24/21 A2986 RMK LTNG DIST SE S SLP107 DENSITY ALT 2400FT
2:00 PM	NW 12	7	SCT024 BKN055 OVC087	-TSRA	73	70	73			89%	29.87	1011.2		0
CYKF 181800Z AUTO 31010KT 300V360 7SM -TSRA SCT024 BKN055 OVC087 23/21 A2987 RMK SLP112 DENSITY ALT 2300FT
2:06 PM	WNW 16G 23	5	SCT021 BKN027 OVC055	TSRA BR	73	70	73			89%	29.87	1011.2		0
CYKF 181806Z AUTO 30014G20KT 5SM TSRA BR SCT021 BKN027 OVC055 23/21 A2987 RMK LTNG DIST SE S SW PCPN 1.0MM PAST HR SLP112 DENSITY ALT 2300FT
2:09 PM	WNW 24	5	BKN021 BKN027 OVC050	TSRA BR	72	68	72			88%	29.87	1011.2		0
CYKF 181809Z AUTO 30021KT 5SM TSRA BR BKN021 BKN027 OVC050 22/20 A2987 RMK LTNG DIST ALQDS PCPN 1.8MM PAST HR SLP112 DENSITY ALT 2200FT
2:14 PM	NW 14G 29	4	SCT021 BKN032 BKN042 OVC050	+TSRA BR	70	68	70			94%	29.87	1011.3		0
CYKF 181814Z AUTO 32012G25KT 280V340 4SM +TSRA BR SCT021 BKN032 BKN042 OVC050 21/20 A2987 RMK LTNG DIST ALQDS PCPN 3.8MM PAST HR SLP113 DENSITY ALT 2100FT
2:18 PM	NW 13G 29	3	SCT021 BKN032 BKN044 OVC055	+TSRA BR	70	68	70			94%	29.87	1011.4		0
CYKF 181818Z AUTO 32011G25KT 3SM +TSRA BR SCT021 BKN032 BKN044 OVC055 21/20 A2987 RMK LTNG DIST ALQDS PCPN 5.3MM PAST HR SLP114 DENSITY ALT 2100FT
2:24 PM	NW 9G 18	5	SCT021 BKN037 BKN055 OVC071	-TSRA BR	70	66	70			88%	29.88	1011.6		0
CYKF 181824Z AUTO 32008G16KT 5SM -TSRA BR SCT021 BKN037 BKN055 OVC071 21/19 A2988 RMK LTNG DIST E SE S PCPN 6.1MM PAST HR SLP116 DENSITY ALT 2100FT
2:25 PM	NW 9G 18	6	FEW021 BKN037 BKN050 OVC076	-TSRA BR	70	66	70			88%	29.88	1011.6		0
CYKF 181825Z AUTO 32008G16KT 6SM -TSRA BR FEW021 BKN037 BKN050 OVC076 21/19 A2988 RMK LTNG DIST E SE S PCPN 6.1MM PAST HR SLP116 DENSITY ALT 2100FT
3:00 PM	NW 7	9	BKN055 OVC071	-TSRA	70	64	70			83%	29.89	1012		0
CYKF 181900Z AUTO 32006KT 9SM -TSRA BKN055 OVC071 21/18 A2989 RMK PCPN 6.3MM PAST HR SLP120 DENSITY ALT 2000FT
3:09 PM	N 7	9	FEW038 BKN050 OVC066	-RA	70	64	70			83%	29.89	1011.9		0
CYKF 181909Z AUTO 35006KT 300V010 9SM -RA FEW038 BKN050 OVC066 21/18 A2989 RMK LTNG DIST ALQDS SLP119 DENSITY ALT 2000FT
4:00 PM	N 5	9	SCT042 BKN060 BKN074 BKN093	-RA	70	66	70			88%	29.87	1011.4		0
CYKF 182000Z AUTO 36004KT 9SM -RA SCT042 BKN060 BKN074 BKN093 21/19 A2987 RMK LTNG DIST SE S SW PCPN 1.0MM PAST HR SLP114 DENSITY ALT 2100FT
5:00 PM	Calm	9	BKN060 BKN073 BKN090 OVC120	-RA	70	66	70			88%	29.85	1010.6		0
CYKF 182100Z AUTO 00000KT 9SM -RA BKN060 BKN073 BKN090 OVC120 21/19 A2985 RMK PCPN 1.0MM PAST HR SLP106 DENSITY ALT 2100FT
6:00 PM	E 5	9	FEW041	-RA	72	68	72			88%	29.81	1009.1		0
CYKF 182200Z AUTO 10004KT 090V150 9SM -RA FEW041 22/20 A2981 RMK SLP091 DENSITY ALT 2200FT
6:03 PM	ESE 5	9	FEW044		72	68	72			88%	29.81	1009.1		0
CYKF 182203Z AUTO 11004KT 9SM FEW044 22/20 A2981 RMK SLP091 DENSITY ALT 2300FT
7:00 PM	SSE 7	9	FEW110 BKN130 BKN150		72	68	72			88%	29.82	1009.4		0
CYKF 182300Z AUTO 15006KT 9SM FEW110 BKN130 BKN150 22/20 A2982 RMK PRESRR SLP094 DENSITY ALT 2200FT
8:00 PM	SE 7	9	SCT130 BKN150		70	68	70			94%	29.82	1009.6		0
CYKF 190000Z AUTO 13006KT 9SM SCT130 BKN150 21/20 A2982 RMK SLP096 DENSITY ALT 2200FT
9:00 PM	SSE 5	9	FEW110		68	66	68			94%	29.81	1009.2		0
CYKF 190100Z AUTO 15004KT 9SM FEW110 20/19 A2981 RMK SLP092 DENSITY ALT 2100FT
10:00 PM	SE 6	9	CLR		66	66	66			100%	29.81	1009.1		0
CYKF 190200Z AUTO 14005KT 9SM CLR 19/19 A2981 RMK SLP091 DENSITY ALT 2000FT
10:35 PM	SSE 5	9	FEW007 SCT210		66	66	66			100%	29.79	1008.8		0
CYKF 190235Z AUTO 15004KT 9SM FEW007 SCT210 19/19 A2979 RMK SLP088 DENSITY ALT 2000FT
10:50 PM	SE 6	8	BKN007 BKN210 BKN240		68	66	68			94%	29.79	1008.5		0
CYKF 190250Z AUTO 14005KT 8SM BKN007 BKN210 BKN240 20/19 A2979 RMK SLP085 DENSITY ALT 2000FT
11:00 PM	SSE 9	9	BKN007		68	66	68			94%	29.79	1008.5		0
CYKF 190300Z AUTO 16008KT 9SM BKN007 20/19 A2979 RMK SLP085 DENSITY ALT 2100FT

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The IEM API webservice that provided data to this page. For more details, see documentation.

Data Notes

• For recent years, this page also optionally shows observations from the MADIS High Frequency METAR dataset. This dataset had a problem with temperatures detailed here.