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.

A Few Clouds

8°F

-13°C

Humidity 76%
Wind Speed W 14 mph
Barometer 30.11 in (1021.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 17 Mar 2:56 am CDT
Extended Forecast for

De Witt IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 7. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before 3am. Temperature falling to near 19 by 9pm, then rising to around 26 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F⇑

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. South wind 5 to 10 mph becoming west in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 7. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 3am. Temperature falling to near 19 by 9pm, then rising to around 26 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly sunny, with a high near 41. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 46.
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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:
2:17 am CDT Mar 17, 2026
Forecast Valid:
3am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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