National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 8 Aug 6:53 am CDT
Extended Forecast for

2 Miles S Monticello IL

  • Today

    Today: Sunny, with a high near 84. West northwest wind around 8 mph, with gusts as high as 16 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. South wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South wind around 14 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. West northwest wind around 8 mph, with gusts as high as 16 mph.
Tonight
Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 87. South wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 73. South wind around 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 89. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 87. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 80.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Monticello IL
 40°N 88.59°W (Elev. 682 ft)
Last Update:
1:41 am CDT Aug 8, 2026
Forecast Valid:
7am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation