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.

Fair

24°F

-4°C

Humidity 68%
Wind Speed E 13 mph
Barometer 30.23 in (1024.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 8 Feb 7:53 pm CST
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Partly cloudy, with a low around 21. East wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. East wind 5 to 7 mph becoming south southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. South southeast wind 7 to 10 mph becoming west southwest after midnight. Winds could gust as high as 17 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. West southwest wind 7 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Northwest wind around 6 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. North northwest wind 5 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 39.

    High: 39 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. East wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 41. East wind 5 to 7 mph becoming south southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 31. South southeast wind 7 to 10 mph becoming west southwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 50. West southwest wind 7 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 26. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Light and variable wind becoming east northeast around 5 mph after midnight.
Thursday
Cloudy, with a high near 39.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of rain. Partly sunny, with a high near 41.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 43.
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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 8, 2026
Forecast Valid:
8pm CST Feb 8, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation