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

80°F

27°C

Humidity 45%
Wind Speed SW 14 G 24 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Apr 2:53 pm CDT
Extended Forecast for

Sidney IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. West southwest wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southwest wind around 7 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 73. South wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 52. West wind around 8 mph becoming north after midnight.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72. North northeast wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. West southwest wind 11 to 13 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 57. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 80. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 22 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 73. South wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 52. West wind around 8 mph becoming north after midnight.
Saturday
Sunny, with a high near 72. North northeast wind 9 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Monday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 76. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 52. Breezy.
Tuesday
Mostly sunny, with a high near 67.
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:
3:06 pm CDT Apr 22, 2026
Forecast Valid:
3pm CDT Apr 22, 2026-6pm CDT Apr 28, 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