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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed NW 10 mph
Barometer 29.85 in (1011.1 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Wind Chill32°F (0°C)
Last update 7 Jan 12:53 am CST
Extended Forecast for

Sidney IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, cloudy, with a low around 34. West northwest wind 5 to 8 mph.

    Low: 34 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 53. Light and variable wind becoming south southwest 5 to 9 mph in the morning.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 39. South wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, mainly after noon. High near 60. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 49. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 55. West southwest wind 7 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, cloudy, with a low around 34. West northwest wind 5 to 8 mph.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 53. Light and variable wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 39. South wind 8 to 10 mph, with gusts as high as 17 mph.
Thursday
Showers, mainly after noon. High near 60. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 49. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 55. West southwest wind 7 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday
A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 43.
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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:
12:51 am CST Jan 7, 2026
Forecast Valid:
1am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation