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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fair

78°F

26°C

Humidity 69%
Wind Speed E 7 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Sep 5:53 pm CDT
Extended Forecast for

2 Miles SSE Monticello IL

  • Tonight

    Tonight: Partly cloudy, with a low around 65. East wind 3 to 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming light and variable.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 83. North wind 6 to 11 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81. East southeast wind 11 to 13 mph, with gusts as high as 17 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South southeast wind around 14 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. East wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 87. Light and variable wind becoming west 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming light and variable.
Sunday
A 30 percent chance of showers after 1pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 83. North wind 6 to 11 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. Northeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 81. East southeast wind 11 to 13 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 66. South southeast wind around 14 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 65.
Thursday
A chance of showers. Mostly sunny, with a high near 82.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63.
Friday
A chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Monticello IL
 40°N 88.56°W (Elev. 712 ft)
Last Update:
6:01 pm CDT Sep 11, 2026
Forecast Valid:
6pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation