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

49°F

9°C

Humidity 39%
Wind Speed W 16 mph
Barometer 29.94 in (1014.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Mar 5:53 pm CDT
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind 13 to 18 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. East northeast wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. East southeast wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 1pm. Cloudy, with a high near 68. Windy, with a south wind 21 to 26 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Windy. Mostly
    Cloudy then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then snow likely. Low around 23. Breezy, with a south wind 23 to 28 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 26. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 39 mph.

    High: 26 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. West wind 13 to 18 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Mostly cloudy, with a high near 51. East northeast wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 44. East southeast wind 11 to 16 mph, with gusts as high as 24 mph.
Sunday
Showers likely after 1pm. Cloudy, with a high near 68. Windy, with a south wind 21 to 26 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 1am, then snow likely. Low around 23. Breezy, with a south wind 23 to 28 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow. Cloudy, with a high near 26. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 39 mph.
Monday Night
Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 59.
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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:
5:36 pm CDT Mar 13, 2026
Forecast Valid:
6pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation