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

54°F

12°C

Humidity 29%
Wind Speed NE 7 mph
Barometer 30.07 in (1018.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 28 Feb 12:53 pm CST
Extended Forecast for

Sidney IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 51. East northeast wind around 9 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 26. North wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 27. East northeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 43. East southeast wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 36. Southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 54. South wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 51. East northeast wind around 9 mph.
Tonight
Partly cloudy, with a low around 26. North wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 40. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 27. East northeast wind around 9 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 43. East southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Monday Night
Rain, mainly after midnight. Low around 36. Southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 54. South wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
Rain likely. Cloudy, with a high near 68.
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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:
12:26 pm CST Feb 28, 2026
Forecast Valid:
1pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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