Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

14°F

-10°C

Humidity 51%
Wind Speed N 9 mph
Barometer 30.37 in (1030.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 29 Jan 11:56 am CST
Extended Forecast for

4 Miles NW Thomson IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 16. North wind around 5 mph.

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -1. Wind chill values as low as -10. North wind around 5 mph.

    Low: -1 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow between 2pm and 5pm.  Partly sunny, with a high near 15. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 15 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. Wind chill values as low as -10. Northwest wind 10 to 15 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 16. North wind around 5 mph.
Tonight
Mostly clear, with a low around -1. Wind chill values as low as -10. North wind around 5 mph.
Friday
A slight chance of snow between 2pm and 5pm. Partly sunny, with a high near 15. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 5. Wind chill values as low as -10. Northwest wind 10 to 15 mph.
Saturday
Sunny, with a high near 23.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Thomson IL
 42.01°N 90.13°W (Elev. 591 ft)
12:26 pm CST Jan 29, 2026
12pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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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