National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

47°F

8°C

Humidity 44%
Wind Speed NE 14 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Feb 9:53 am CST
Extended Forecast for

4 Miles S Pesotum IL

  • Today

    Today: Partly sunny, with a high near 54. East northeast wind around 10 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 25. East northeast wind around 10 mph, with gusts as high as 16 mph.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 42. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 34. East southeast wind 9 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain. High near 51. South wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 54. East northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 39. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 25. East northeast wind around 10 mph, with gusts as high as 16 mph.
Monday
Mostly cloudy, with a high near 42. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 34. East southeast wind 9 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 51. South wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 40. Chance of precipitation is 70%.
Wednesday
Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 59. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 63.
Thursday Night
A chance of rain. Partly cloudy, with a low around 50.
Friday
Rain likely. Cloudy, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Pesotum IL
 39.86°N 88.28°W (Elev. 686 ft)
Last Update:
9:56 am CST Feb 28, 2026
Forecast Valid:
10am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation