Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Overcast

59°F

15°C

Humidity 90%
Wind Speed NE 6 mph
Barometer 30.31 in (1026.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Sep 7:53 am CDT
Extended Forecast for

Monticello IL

  • Today

    Today: A chance of sprinkles after 4pm.  Mostly cloudy, with a high near 69. East northeast wind around 7 mph.

    High: 69 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles before 9pm.  Mostly cloudy, with a low around 53. East northeast wind around 7 mph.

    Low: 53 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: Mostly sunny, with a high near 73. East wind 5 to 8 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. East wind 3 to 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Light east wind.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Northeast wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Light east wind.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles after 4pm. Mostly cloudy, with a high near 69. East northeast wind around 7 mph.
Tonight
A chance of sprinkles before 9pm. Mostly cloudy, with a low around 53. East northeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 73. East wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 53. East wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 73. Light east wind.
Sunday Night
Partly cloudy, with a low around 52. Northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 75. Light east wind.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Thursday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.05°N 88.58°W (Elev. 650 ft)
8:31 am CDT Sep 25, 2026
8am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database