National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

16°F

-9°C

Humidity 84%
Wind Speed SE 8 mph
Barometer 30.15 in (1022.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 24 Feb 1:56 am CST
Extended Forecast for

Mount Carroll IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 39. Breezy, with a south wind 10 to 15 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 39 °F

    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Cloudy, with a high near 39. Breezy, with a south wind 10 to 15 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 26.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 31.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Carroll IL
 42.09°N 89.98°W (Elev. 778 ft)
Last Update:
10:42 pm CST Feb 23, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation