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.

A Few Clouds

28°F

-2°C

Humidity 51%
Wind Speed S 17 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 21 Jan 3:53 am CST
Extended Forecast for

Sidney IL

  • Overnight

    Overnight: A 20 percent chance of snow after 5am. Cloudy, with a steady temperature around 30. South wind around 15 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 40 °F

    Slight Chance
    Snow then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. West northwest wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31. West wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. West wind 5 to 10 mph becoming north northwest 12 to 17 mph after midnight. Winds could gust as high as 23 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 6. North northwest wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 6 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -4. North wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: -4 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.

    High: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Cloudy, with a steady temperature around 30. South wind around 15 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 18. West northwest wind 10 to 18 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 31. West wind 6 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 0. West wind 5 to 10 mph becoming north northwest 12 to 17 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy and cold, with a high near 6. North northwest wind 11 to 17 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around -4. North wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 2.
Monday
Sunny, with a high near 18.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney IL
 40.03°N 88.07°W (Elev. 653 ft)
Last Update:
3:36 am CST Jan 21, 2026
Forecast Valid:
4am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation