Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Mostly Cloudy

45°F

7°C

Humidity 48%
Wind Speed SE 6 mph
Barometer 30.21 in (1023.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Mar 9:53 pm CDT
Extended Forecast for

Monticello IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southeast wind around 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South southwest wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 57. South wind around 14 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 29 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am.  Low around 36. Breezy, with a west northwest wind 16 to 22 mph becoming north northeast in the evening. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Breezy.
    T-storms then
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Breezy, with a north northeast wind 16 to 21 mph, with gusts as high as 26 mph.

    High: 48 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 72. South southwest wind 8 to 17 mph, with gusts as high as 24 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. South wind around 14 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 29 mph.
Thursday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Low around 36. Breezy, with a west northwest wind 16 to 22 mph becoming north northeast in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Breezy, with a north northeast wind 16 to 21 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 27. North wind 6 to 11 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Mostly cloudy, with a high near 72. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.05°N 88.58°W (Elev. 650 ft)
10:36 pm CDT Mar 24, 2026
10pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
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