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

55°F

13°C

Humidity 53%
Wind Speed SW 15 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Mar 4:53 pm CDT
Extended Forecast for

Sidney IL

  • Tonight

    Tonight: Increasing clouds, with a low around 36. West southwest wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind around 6 mph.

    High: 62 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Light and variable wind becoming south southeast around 5 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. West wind 5 to 8 mph becoming north northwest after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. North northwest wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 44. Light and variable wind becoming south southeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 73. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 45. West wind 5 to 8 mph becoming north northwest after midnight.
Saturday
Mostly sunny, with a high near 73. North northwest wind 5 to 9 mph becoming west southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 52. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 73. Breezy.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney IL
 40.03°N 88.07°W (Elev. 653 ft)
Last Update:
4:36 pm CDT Mar 18, 2026
Forecast Valid:
5pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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