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

40°F

4°C

Humidity 89%
Wind Speed SE 8 mph
Barometer 29.95 in (1014.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 7 Jan 5:53 pm CST
Extended Forecast for

Pesotum IL

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 39. South wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, cloudy, with a high near 62. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 50. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Breezy. Rain
    then Rain
    Likely

  • Friday

    Friday: Partly sunny, with a temperature falling to around 48 by 5pm. Southwest wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 58 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. North wind 6 to 8 mph.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. North northwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 39. South wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday
Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, cloudy, with a high near 62. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 50. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Partly sunny, with a temperature falling to around 48 by 5pm. Southwest wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. North wind 6 to 8 mph.
Saturday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. North northwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 20. West wind 15 to 18 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pesotum IL
 39.9°N 88.28°W (Elev. 702 ft)
Last Update:
5:37 pm CST Jan 7, 2026
Forecast Valid:
6pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation