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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

39°F

4°C

Humidity 96%
Wind Speed W 12 mph
Barometer 29.88 in (1012.6 mb)
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 26 Dec 3:56 pm CST
Extended Forecast for

De Witt IA

  • This Afternoon

    This Afternoon: Cloudy, with a steady temperature around 40. Northwest wind 5 to 10 mph.

    High: 40 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, cloudy, with a low around 37. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 37 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 7am. Otherwise, cloudy, with a high near 48. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Areas Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain before 7pm, then a chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before noon, then rain likely after noon. Cloudy, with a high near 50. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain Likely
    and Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 20. Blustery.

    High: 20 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a steady temperature around 40. Northwest wind 5 to 10 mph.
Tonight
Patchy fog after 9pm. Otherwise, cloudy, with a low around 37. Northwest wind around 5 mph becoming southeast after midnight.
Saturday
Areas of fog before 7am. Otherwise, cloudy, with a high near 48. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain before 7pm, then a chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. South wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before noon, then rain likely after noon. Cloudy, with a high near 50. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 20. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 6.
New Year's Day
Sunny, with a high near 16.
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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:
3:51 pm CST Dec 26, 2025
Forecast Valid:
4pm CST Dec 26, 2025-6pm CST Jan 1, 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