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

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.23 in (1024.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 Feb 7:53 pm CST
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 54. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. South wind 3 to 7 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. South southeast wind 3 to 6 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 38. Southeast wind around 6 mph becoming east northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 5 to 7 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 54. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 31. South wind 3 to 7 mph.
Saturday
Mostly cloudy, with a high near 51. South southeast wind 3 to 6 mph.
Saturday Night
Rain likely. Cloudy, with a low around 38. Southeast wind around 6 mph becoming east northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 34. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 66. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 56.
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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:
8:02 pm CST Feb 12, 2026
Forecast Valid:
8pm CST Feb 12, 2026-6pm CST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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