Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

A Few Clouds

26°F

-3°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.27 in (1026.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Feb 6:56 am CST
Extended Forecast for

Thomson IL

  • Today

    Today: Partly sunny, with a high near 47. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southeast wind around 5 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Southwest wind around 5 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. Southwest wind around 5 mph becoming calm.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 47. Southeast wind around 5 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 29. Southeast wind around 5 mph.
Friday
Sunny, with a high near 53. Southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 30. Southwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 32.
Washington's Birthday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
4:42 am CST Feb 12, 2026
7am CST Feb 12, 2026-6pm CST Feb 18, 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