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

Tri-Township Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. South wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 39. Breezy, with a south wind 10 to 20 mph becoming west 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 20. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind 5 to 15 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 26 °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 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. South wind 5 to 10 mph.
Tuesday
Cloudy, with a high near 39. Breezy, with a south wind 10 to 20 mph becoming west 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 20. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 33. Northwest wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 26.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 28.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 18.
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 19.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tri-Township Airport IL
 42.05°N 90.13°W (Elev. 584 ft)
Last Update:
10:42 pm CST Feb 23, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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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