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Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

58°F

14°C

Humidity 87%
Wind Speed S 15 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 12 Apr 6:53 am CDT
Extended Forecast for

Monticello IL

  • Today

    Today: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 80 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 61. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 29 mph.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South southwest wind around 18 mph, with gusts as high as 28 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 77. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.
Tonight
A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 61. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 65. South southwest wind around 18 mph, with gusts as high as 28 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 77. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
A chance of showers. Mostly sunny, with a high near 84.
Friday Night
Showers likely. Mostly cloudy, with a low around 60.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 75. Breezy.
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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:
1:16 am CDT Apr 12, 2026
Forecast Valid:
7am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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