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Data Calendar for MATTOON/CHARLEST

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:  

 

Aug 2026Sep 2026 Oct 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
303101
High: 96
Low: 74
Precip: 0.00
Avg Wind: SSW @ 6.8
Gust:
SW @ 21
(1:53 PM)
RH% Min/Max: 43-87
Feel Min/Max: 74 to 103		02
High: 97
Low: 75
Precip: 0.00
Avg Wind: SSW @ 6.4
Gust:
SW @ 23
(11:25 AM)
RH% Min/Max: 42-82
Feel Min/Max: 76 to 104		03
High: 96
Low: 76
Precip: 0.00
Avg Wind: SSW @ 5.8
Gust:
S @ 19
(1:35 PM)
RH% Min/Max: 43-82
Feel Min/Max: 76 to 103		04
High: 97
Low: 76
Precip: 0.00
Avg Wind: SSW @ 5.6
RH% Min/Max: 39-82
Feel Min/Max: 77 to 104		05
High: 97
Low: 70
Precip: 0.00
Avg Wind: NNW @ 7.6
Gust:
N @ 20
(2:20 PM)
RH% Min/Max: 43-90
Feel Min/Max: 72 to 105
06
High: 85
Low: 62
Precip: 0.00
Avg Wind: NE @ 9.0
Gust:
NE @ 24
(12:53 PM)
RH% Min/Max: 45-97
Feel Min/Max: 65 to 85		07
High: 84
Low: 57
Precip: 0.00
Avg Wind: ENE @ 5.2
Gust:
E @ 22
(11:53 AM)
RH% Min/Max: 37-93
Feel Min/Max: 57 to 82		08
High: 91
Low: 60
Precip: 0.00
Avg Wind: SSE @ 4.4
RH% Min/Max: 37-93
Feel Min/Max: 61 to 90		09
High: 92
Low: 69
Precip: 0.00
Avg Wind: WSW @ 6.9
Gust:
NNW @ 24
(9:53 AM)
RH% Min/Max: 43-90
Feel Min/Max: 71 to 95		10
High: 77
Low: 66
Precip: 0.08
Avg Wind: NW @ 2.8
RH% Min/Max: 76-100
Feel Min/Max: 67 to 76		11
High: 85
Low: 62
Precip: 0.00
Avg Wind: E @ 4.6
RH% Min/Max: 53-100
Feel Min/Max: 62 to 86		12
High: 92
Low: 70
Precip: Trace
Avg Wind: SSW @ 4.8
RH% Min/Max: 35-97
Feel Min/Max: 70 to 90
13
High: 86
Low: 57
Precip: 0.00
Avg Wind: NNW @ 8.1
Gust:
N @ 33
(2:33 PM)
RH% Min/Max: 32-97
Feel Min/Max: 59 to 85		14
High: 83
Low: 54
Precip: 0.00
Avg Wind: ESE @ 8.7
Gust:
ESE @ 26
(7:53 AM)
RH% Min/Max: 31-93
Feel Min/Max: 55 to 81		15
High: 97
Low: 66
Precip: 0.00
Avg Wind: S @ 9.2
Gust:
SSW @ 25
(9:53 AM)
RH% Min/Max: 39-79
Feel Min/Max: 67 to 102		16
High: 94
Low: 71
Precip: Trace
Avg Wind: S @ 4.0
RH% Min/Max: 47-97
Feel Min/Max: 72 to 99		17
High: 96
Low: 75
Precip: 0.00
Avg Wind: SSW @ 5.9
Gust:
SSW @ 30
(3:09 PM)
RH% Min/Max: 43-90
Feel Min/Max: 75 to 101		18
High: 93
Low: 70
Precip: 0.00
Avg Wind: ENE @ 7.6
Gust:
NNE @ 39
(2:48 PM)
RH% Min/Max: 56-97
Feel Min/Max: 70 to 97		19
High: 92
Low: 70
Precip: 0.00
Avg Wind: SSE @ 7.0
Gust:
N @ 22
(11:55 AM)
RH% Min/Max: 49-97
Feel Min/Max: 70 to 96
20
High: 89
Low: 73
Precip: Trace
Gust:
N @ 30
(6:41 PM)
RH% Min/Max: 45-87
Feel Min/Max: 74 to 91		21

Precip: M		2223242526
27282930010203

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.