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

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast and Windy

11°F

-12°C

Humidity 77%
Wind Speed W 32 G 37 mph
Barometer 29.94 in (1015.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 18 Jan 10:56 pm CST
Extended Forecast for

De Witt IA

Cold Weather Advisory until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • Tonight

    Low: -2 °F

    Scattered
    Snow Showers
    and Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 10. Wind chill values as low as -25. Blustery, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 10 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -5. West wind 5 to 10 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Wind chill values as low as -5. West wind around 5 mph becoming south in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered snow showers before 3am, then scattered flurries between 3am and 5am. Patchy blowing snow between midnight and 5am. Mostly cloudy, with a low around -2. Wind chill values as low as -20. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
M.L.King Day
Mostly sunny and cold, with a high near 10. Wind chill values as low as -25. Blustery, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -5. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 22. Wind chill values as low as -5. West wind around 5 mph becoming south in the afternoon.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 17.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny and cold, with a high near 7.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -7.
Sunday
Mostly sunny and cold, with a high near 8.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Witt IA
 41.82°N 90.55°W (Elev. 653 ft)
Last Update:
11:11 pm CST Jan 18, 2026
Forecast Valid:
11pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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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