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 and Breezy

39°F

4°C

Humidity 86%
Wind Speed NW 22 G 31 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Mar 4:53 pm CDT
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: 28 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 49. West wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a west wind 21 to 28 mph, with gusts as high as 36 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. West northwest wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 17 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. Northeast wind 6 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 41. East wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 61. Windy. Chance of precipitation is 80%.

    High: 61 °F

    Chance Rain
    and Breezy
    then Rain and
    Windy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 49. West wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a west wind 21 to 28 mph, with gusts as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 30. West northwest wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 17 mph.
Saturday
Mostly cloudy, with a high near 50. Northeast wind 6 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Cloudy, with a low around 41. East wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday
Rain, mainly after 1pm. High near 61. Windy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 29. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney IL
 40.03°N 88.04°W (Elev. 679 ft)
Last Update:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
5pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation