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.

Fair and Breezy

37°F

3°C

Humidity 67%
Wind Speed E 21 mph
Barometer 29.95 in (1015.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 14 Mar 6:56 pm CDT
Extended Forecast for

De Witt IA

High Wind Warning March 15, 01:00pm until March 16, 10:00am
Blizzard Warning March 15, 07:00pm until March 16, 04:00pm
Click here for hazard details and duration
High Wind Warning
Blizzard Warning

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a temperature falling to near 39 by 9pm, then rising to around 45 during the remainder of the night. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    Low: 39 °F⇑

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 4pm, then rain after 4pm. High near 58. Breezy, with a south wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly after midnight. Low around 13. Wind chill values as low as zero. Windy, with a north wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Rain/Snow and
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph.

    High: 19 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Blustery.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am. Low around 20. Chance of precipitation is 80%.

    Low: 20 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 2am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a temperature falling to near 39 by 9pm, then rising to around 45 during the remainder of the night. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 4pm, then rain after 4pm. High near 58. Breezy, with a south wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly after midnight. Low around 13. Wind chill values as low as zero. Windy, with a north wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
A 30 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph.
Monday Night
Partly cloudy, with a low around 3. Blustery.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow, mainly before 1am. Low around 20. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Witt IA
 41.82°N 90.55°W (Elev. 653 ft)
Last Update:
5:27 pm CDT Mar 14, 2026
Forecast Valid:
7pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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