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Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

66°F

19°C

Humidity 63%
Wind Speed E 5 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 May 8:53 pm CDT
Extended Forecast for

Monticello IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, clear, with a low around 54. Northeast wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Memorial Day

    Memorial Day: Patchy fog before 10am. Otherwise, sunny, with a high near 80. East southeast wind 3 to 8 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. East southeast wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. East southeast wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62. East southeast wind 3 to 7 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. East wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, clear, with a low around 54. Northeast wind around 5 mph becoming calm after midnight.
Memorial Day
Patchy fog before 10am. Otherwise, sunny, with a high near 80. East southeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 56. East southeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 81. East southeast wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62. East southeast wind 3 to 7 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. East wind 5 to 7 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 62. East wind around 6 mph.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 78.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59.
Saturday
A chance of showers. Partly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.05°N 88.58°W (Elev. 650 ft)
Last Update:
7:51 pm CDT May 24, 2026
Forecast Valid:
9pm CDT May 24, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation