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

55°F

13°C

Humidity 53%
Wind Speed NW 16 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Feb 12:53 pm CST
Extended Forecast for

Monticello IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. North northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 26. West northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 26 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 43. Calm wind becoming south around 6 mph in the morning.

    High: 43 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Southeast wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. South wind 5 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 55. North northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 44. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Increasing clouds, with a low around 26. West northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Cloudy, with a high near 43. Calm wind becoming south around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 27. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 47. South wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Washington's Birthday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.03°N 88.58°W (Elev. 650 ft)
Last Update:
12:36 pm CST Feb 10, 2026
Forecast Valid:
1pm CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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