Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Mostly Cloudy

43°F

6°C

Humidity 56%
Wind Speed W 6 mph
Barometer 30.30 in (1026.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Feb 10:53 am CST
Extended Forecast for

Monticello IL

  • Today

    Today: Scattered sprinkles between noon and 3pm.  Mostly cloudy, with a high near 47. Calm wind becoming southwest around 6 mph.

    High: 47 °F

    Scattered
    Sprinkles

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South southeast wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. South wind 5 to 7 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, with a high near 50. South southeast wind 5 to 8 mph.

    High: 50 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 37. Southeast wind around 8 mph becoming northeast after midnight.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 56. North northeast wind 7 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Scattered sprinkles between noon and 3pm. Mostly cloudy, with a high near 47. Calm wind becoming southwest around 6 mph.
Tonight
Mostly cloudy, with a low around 28. South southeast wind around 6 mph.
Friday
Sunny, with a high near 52. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 31. South wind 5 to 7 mph.
Saturday
Cloudy, with a high near 50. South southeast wind 5 to 8 mph.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Southeast wind around 8 mph becoming northeast after midnight.
Sunday
Mostly sunny, with a high near 56. North northeast wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 30.
Washington's Birthday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Cloudy, with a high near 59. Breezy.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40°N 88.59°W (Elev. 682 ft)
11:17 am CST Feb 12, 2026
11am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database