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

14°F

-10°C

Humidity 73%
Wind Speed NW 26 G 39 mph
Barometer 29.91 in (1014.8 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 18 Jan 9:56 pm CST
Extended Forecast for

De Witt IA

Cold Weather Advisory January 18, 11:00pm until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: 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.

    Low: -2 °F

    Blustery.
    Mostly Cloudy
    then 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

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
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.
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:
9:21 pm CST Jan 18, 2026
Forecast Valid:
10pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation