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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

78°F

26°C

Humidity 69%
Wind Speed E 7 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Sep 5:53 pm CDT
Extended Forecast for

Pesotum IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South southeast wind 3 to 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Light north wind increasing to 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Northeast wind around 9 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. East southeast wind around 10 mph, with gusts as high as 16 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southeast wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. South southeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Light north wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 59. Northeast wind around 9 mph.
Monday
Mostly sunny, with a high near 82. East southeast wind around 10 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 66. Southeast wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65.
Thursday
A chance of showers. Partly sunny, with a high near 83.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63.
Friday
A chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pesotum IL
 39.9°N 88.28°W (Elev. 702 ft)
Last Update:
6:01 pm CDT Sep 11, 2026
Forecast Valid:
6pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation