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

46°F

8°C

Humidity 56%
Wind Speed W 10 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Mar 6:53 am CDT
Extended Forecast for

Allerton IL

  • Today

    Today: A 40 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 52. West northwest wind 5 to 11 mph, with gusts as high as 17 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a chance of rain after 2am. Mostly cloudy, with a low around 35. West northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: A 10 percent chance of rain before 7am. Mostly sunny, with a high near 57. West northwest wind 5 to 11 mph, with gusts as high as 16 mph.

    High: 57 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. West northwest wind around 6 mph becoming south southwest after midnight.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of rain after 1pm. Partly sunny, with a high near 62. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 49. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Mostly sunny, with a high near 78. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 78 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 60%.

    High: 70 °F

    Rain Likely
    and Breezy

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 52. West northwest wind 5 to 11 mph, with gusts as high as 17 mph.
Tonight
A slight chance of rain before 7pm, then a chance of rain after 2am. Mostly cloudy, with a low around 35. West northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday
A 10 percent chance of rain before 7am. Mostly sunny, with a high near 57. West northwest wind 5 to 11 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 36. West northwest wind around 6 mph becoming south southwest after midnight.
Thursday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 62. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 49. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of rain before 1pm. Mostly sunny, with a high near 78. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Friday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 58.
Saturday
Rain likely. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 56. Chance of precipitation is 80%.
Sunday
Rain likely. Partly sunny, with a high near 67. Breezy.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Allerton IL
 39.91°N 87.93°W (Elev. 666 ft)
Last Update:
5:46 am CDT Mar 25, 2025
Forecast Valid:
7am CDT Mar 25, 2025-6pm CDT Mar 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation