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

Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Fog

52°F

11°C

Humidity 100%
Wind Speed W 8 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 52°F (11°C)
Visibility 0.50 mi
Wind Chill49°F (9°C)
Last update 5 Mar 9:53 am CST
Extended Forecast for

Allerton IL

  • Today

    Today: A 30 percent chance of showers, mainly before noon. Patchy fog before 3pm. Otherwise, cloudy, with a high near 61. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 50 °F

    Fog then
    Chance
    Showers and
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Showers
    and Breezy

  • Saturday

    Saturday: Showers likely before noon. Mostly cloudy, with a high near 68. Breezy, with a south southwest wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Breezy.

    High: 73 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers, mainly before noon. Patchy fog before 3pm. Otherwise, cloudy, with a high near 61. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming south southeast 5 to 7 mph after midnight.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely before noon. Mostly cloudy, with a high near 68. Breezy, with a south southwest wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 60. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 73. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 56.
Tuesday
Showers likely. Mostly cloudy, with a high near 72. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 49. Breezy.
Wednesday
Showers likely. Cloudy, with a high near 60. Breezy.
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:
9:36 am CST Mar 5, 2026
Forecast Valid:
10am CST Mar 5, 2026-6pm CDT Mar 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