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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Light Snow Fog/Mist

25°F

-4°C

Humidity 92%
Wind Speed NE 17 mph
Barometer 29.99 in (1016.9 mb)
Dewpoint 23°F (-5°C)
Visibility 3.00 mi
Wind Chill12°F (-11°C)
Last update 7 Dec 3:56 am CST
Extended Forecast for

Thomson IL

Winter Storm Warning December 7, 04:38am until December 7, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 7, 04:38am until December 7, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 26 °F

    Heavy Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 14 by 5pm. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F⇓

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. Wind chill values as low as -5. North wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 24. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 5am. The snow could be heavy at times. Steady temperature around 26. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.
Sunday
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 14 by 5pm. North wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 2. Wind chill values as low as -5. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 24. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
Rain likely before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
Partly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.98°N 90.1°W (Elev. 600 ft)
Last Update:
4:21 am CST Dec 7, 2025
Forecast Valid:
4am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation