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Data Calendar for CAHOKIA/ST LOUIS

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 82
Low: 58
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: E @ 3.5
RH% Min/Max: 51-100
Feel Min/Max: 59 to 83		02
High: 86
Low: 57
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SSE @ 4.9
Gust:
S @ 18
(2:29 PM)
RH% Min/Max: 46-90
Feel Min/Max: 57 to 87		03
High: 87
Low: 65
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: S @ 8.9
Gust:
SSW @ 33
(10:09 AM)
RH% Min/Max: 48-90
Feel Min/Max: 67 to 89		04
High: 79
Low: 67
Precip: 0.93
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 3.3
Gust:
WNW @ 21
(2:22 AM)
RH% Min/Max: 69-100
Feel Min/Max: 68 to 78		05
High: 71
Low: 62
Precip: 0.01
Snow: 0
Snow Depth: 0
Avg Wind: N @ 5.0
Gust:
N @ 16
(5:17 AM)
RH% Min/Max: 79-100
Feel Min/Max: 63 to 71		06
High: 76
Low: 61
Precip: 0.23
Snow: 0
Snow Depth: 0
Avg Wind: NE @ 2.5
Gust:
N @ 13
(7:46 PM)
RH% Min/Max: 79-100
Feel Min/Max: 62 to 76		07
High: 75
Low: 62
Precip: 0.26
Snow: 0
Snow Depth: 0
Avg Wind: ESE @ 5.4
Gust:
NNW @ 21
(12:45 AM)
RH% Min/Max: 71-100
Feel Min/Max: 62 to 74
08
High: 85
Low: 63
Precip: 0.01
Snow: 0
Snow Depth: 0
Avg Wind: WNW @ 6.8
Gust:
NNW @ 27
(10:12 PM)
RH% Min/Max: 48-97
Feel Min/Max: 64 to 86		09
High: 84
Low: 61
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WNW @ 6.8
Gust:
WSW @ 28
(2:23 PM)
RH% Min/Max: 27-93
Feel Min/Max: 62 to 81		10
High: 81
Low: 55
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 2.4
Gust:
SW @ 15
(3:59 PM)
RH% Min/Max: 38-100
Feel Min/Max: 55 to 80		11
High: 88
Low: 57
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: S @ 3.9
Gust:
SSE @ 21
(2:25 PM)
RH% Min/Max: 40-96
Feel Min/Max: 57 to 88		12
High: 82
Low: 67
Precip: 0.03
Snow: 0
Snow Depth: 0
Avg Wind: SSE @ 3.5
Gust:
SSE @ 24
(12:26 AM)
RH% Min/Max: 60-84
Feel Min/Max: 68 to 82		13
High: 81
Low: 68
Precip: 0.32
Snow: 0
Snow Depth: 0
Avg Wind: SE @ 4.2
Gust:
SE @ 17
(11:23 AM)
RH% Min/Max: 76-97
Feel Min/Max: 68 to 79		14
High: 83
Low: 68
Precip: 0.01
Snow: 0
Snow Depth: 0
Avg Wind: N @ 6.9
Gust:
N @ 23
(3:21 PM)
RH% Min/Max: 65-100
Feel Min/Max: 69 to 87
15
High: 84
Low: 65
Precip: Trace
Snow: 0
Snow Depth: 0
Avg Wind: NNE @ 4.2
Gust:
ENE @ 16
(5:05 PM)
RH% Min/Max: 60-100
Feel Min/Max: 66 to 85		16
High: 80
Low: 68
Precip: 0.15
Snow: 0
Snow Depth: 0
Avg Wind: SE @ 3.9
Gust:
S @ 16
(8:29 AM)
RH% Min/Max: 74-97
Feel Min/Max: 68 to 85		17
High: 88
Low: 69
Precip: Trace
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 3.1
Gust:
NNW @ 23
(10:13 PM)
RH% Min/Max: 54-100
Feel Min/Max: 69 to 93		18
High: 88
Low: 69
Precip: 0.04
Snow: 0
Snow Depth: 0
Avg Wind: SW @ 7.8
Gust:
NNW @ 42
(8:17 PM)
RH% Min/Max: 48-97
Feel Min/Max: 69 to 89		19
High: 88
Low: 66
Precip: Trace
Snow: 0
Snow Depth: 0
Avg Wind: WNW @ 5.0
Gust:
NW @ 16
(3:38 PM)
RH% Min/Max: 39-93
Feel Min/Max: 68 to 87		20
High: 94
Low: 64
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: S @ 6.0
Gust:
S @ 24
(6:53 PM)
RH% Min/Max: 46-100
Feel Min/Max: 64 to 98		21
High: 96
Low: 77
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 8.7
Gust:
S @ 28
(3:08 PM)
RH% Min/Max: 46-88
Feel Min/Max: 78 to 106
22
High: 97
Low: 75
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: S @ 6.7
Gust:
SSW @ 24
(4:02 PM)
RH% Min/Max: 42-90
Feel Min/Max: 76 to 104		23
High: 97
Low: 73
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 5.5
Gust:
SSW @ 20
(3:12 PM)
RH% Min/Max: 42-90
Feel Min/Max: 74 to 104		24

Precip: M		25

Precip: M		26
High: 95
Low: 74
Precip: 0.00
Avg Wind: SSW @ 8.4
Gust:
S @ 22
(3:17 PM)
RH% Min/Max: 40-74
Feel Min/Max: 85 to 99		27
High: 88
Low: 78
Precip: M
Gust:
SW @ 20
(9:53 AM)
RH% Min/Max: 57-79
Feel Min/Max: 78 to 94		28

Precip: M
29300102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.