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Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

89°F

32°C

Humidity 43%
Wind Speed SW 14 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Oct 4:53 pm CDT
Extended Forecast for

Monticello IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. West wind around 7 mph becoming north after midnight.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Mostly cloudy, with a high near 77. North northeast wind 5 to 7 mph.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 7pm, then a chance of showers after 4am. Mostly cloudy, with a low around 60. Northeast wind 9 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 76. East wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 47. Breezy, with a west wind 11 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 59. Breezy, with a northwest wind 22 to 26 mph, with gusts as high as 34 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. North northwest wind 6 to 16 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. West wind around 7 mph becoming north after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Mostly cloudy, with a high near 77. North northeast wind 5 to 7 mph.
Wednesday Night
A slight chance of showers before 7pm, then a chance of showers after 4am. Mostly cloudy, with a low around 60. Northeast wind 9 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 76. East wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 47. Breezy, with a west wind 11 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 59. Breezy, with a northwest wind 22 to 26 mph, with gusts as high as 34 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. North northwest wind 6 to 16 mph, with gusts as high as 20 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.03°N 88.58°W (Elev. 650 ft)
Last Update:
4:36 pm CDT Oct 13, 2026
Forecast Valid:
5pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation