Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Light Snow Fog/Mist

29°F

-2°C

Humidity 92%
Wind Speed SE 17 mph
Barometer 29.87 in (1012.7 mb)
Dewpoint 27°F (-3°C)
Visibility 4.00 mi
Wind Chill17°F (-8°C)
Last update 29 Nov 4:56 pm CST
Extended Forecast for

4 Miles NW Savanna IL

Winter Storm Warning November 29, 05:07pm until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 05:07pm until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • This Afternoon

    High: 29 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 3am.  Low around 23. East wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 8am.  Mostly cloudy, with a high near 27. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon.  Cloudy, with a high near 22.

    High: 22 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 29. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow, mainly before 3am. Low around 23. East wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 20 percent chance of snow before 8am. Mostly cloudy, with a high near 27. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of snow after noon. Cloudy, with a high near 22.
Monday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 0.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Mostly cloudy, with a high near 31.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Savanna IL
 42.14°N 90.21°W (Elev. 594 ft)
4:51 pm CST Nov 29, 2025
5pm CST Nov 29, 2025-6pm CST Dec 6, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database