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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

27°F

-3°C

Humidity 61%
Wind Speed N 6 mph
Barometer 29.98 in (1016.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 2 Jan 1:56 pm CST
Extended Forecast for

De Witt IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 27. North wind around 5 mph.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 20. North wind around 5 mph.

    Low: 20 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. North wind 5 to 10 mph becoming west in the morning.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 27. North wind around 5 mph.
Tonight
Cloudy, with a low around 20. North wind around 5 mph.
Saturday
Partly sunny, with a high near 29. North wind 5 to 10 mph becoming west in the morning.
Saturday Night
Mostly clear, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
10:41 am CST Jan 2, 2026
Forecast Valid:
2pm CST Jan 2, 2026-6pm CST Jan 8, 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