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.

Overcast

51°F

11°C

Humidity 74%
Wind Speed W 16 G 24 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 Nov 9:53 am CST
Extended Forecast for

Allerton IL

  • Today

    Today: A slight chance of drizzle after 5pm. Cloudy, with a high near 60. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 60 °F

    Cloudy then
    Slight Chance
    Drizzle

  • Tonight

    Tonight: A chance of drizzle before 2am, then a slight chance of rain between 2am and 3am. Cloudy, with a low around 40. West wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Chance
    Drizzle

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 51. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 51 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North northwest wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind becoming west around 6 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A slight chance of drizzle after 5pm. Cloudy, with a high near 60. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tonight
A chance of drizzle before 2am, then a slight chance of rain between 2am and 3am. Cloudy, with a low around 40. West wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 51. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 32. North northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 54. Northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 30. Calm wind.
Sunday
Sunny, with a high near 59. Calm wind becoming west around 6 mph.
Sunday Night
Clear, with a low around 33.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 39.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 37.
Veterans Day
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allerton IL
 39.91°N 87.93°W (Elev. 666 ft)
Last Update:
9:21 am CST Nov 5, 2026
Forecast Valid:
10am CST Nov 5, 2026-6pm CST Nov 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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