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

40°F

4°C

Humidity 89%
Wind Speed E 7 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 26 Feb 6:53 pm CST
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Mostly clear, with a low around 31. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Breezy, with a southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South southwest wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 51. Northeast wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 38. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 38 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow likely before midnight, then a chance of snow and freezing rain. Mostly cloudy, with a low around 23. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 23 °F

    Snow Likely
    then Chance
    Wintry Mix

  • Monday

    Monday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Sunny, with a high near 64. Breezy, with a southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly clear, with a low around 33. South southwest wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph.
Saturday
Partly sunny, with a high near 51. Northeast wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 24. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 38. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely before midnight, then a chance of snow and freezing rain. Mostly cloudy, with a low around 23. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 41.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely. Cloudy, with a low around 43.
Thursday
Rain likely. Cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney IL
 40.03°N 88.07°W (Elev. 653 ft)
Last Update:
6:36 pm CST Feb 26, 2026
Forecast Valid:
7pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation