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.

Overcast

67°F

19°C

Humidity 97%
Wind Speed S 9 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 25 Jul 11:53 am CDT
Extended Forecast for

Pesotum IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 78. South wind around 8 mph.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South southeast wind 3 to 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 89. Heat index values as high as 100. Light and variable wind becoming south southeast around 5 mph in the morning.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South southwest wind 5 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 74. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 90. North wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 78. South wind around 8 mph.
Tonight
Mostly cloudy, with a low around 69. South southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 89. Heat index values as high as 100. Light and variable wind becoming south southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 73. South southwest wind 5 to 8 mph.
Monday
Mostly sunny and hot, with a high near 95. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 74. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 90. North wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 88.
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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:
11:56 am CDT Jul 25, 2026
Forecast Valid:
12pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation