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Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

64°F

18°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 9:53 pm CDT
Extended Forecast for

Monticello IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 63. Southeast wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Northwest wind 5 to 8 mph.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 83. North northwest wind 5 to 9 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. North northeast wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Northeast wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 63. Southeast wind 3 to 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Northwest wind 5 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 83. North northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 61. North northeast wind 3 to 7 mph.
Friday
Sunny, with a high near 83. Northeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 59. East wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 89.
Monday Night
A chance of showers. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 87.
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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:
10:36 pm CDT Aug 25, 2026
Forecast Valid:
10pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation