Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Mostly Cloudy

33°F

1°C

Humidity 85%
Wind Speed W 14 mph
Barometer 29.71 in (1006.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 14 Jan 2:56 am CST
Extended Forecast for

Thomson IL

  • Overnight

    Overnight: Scattered flurries.  Mostly cloudy, with a low around 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Scattered
    Flurries and
    Blustery

  • Wednesday

    Wednesday: Scattered flurries before 7am.  Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 23 by 9am. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 28 °F

    Scattered
    Flurries and
    Blustery

  • Wednesday Night

    Wednesday Night: Clear, with a low around 14. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 28. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: A 30 percent chance of snow.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Scattered flurries before 7am. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 23 by 9am. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Clear, with a low around 14. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 28. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Mostly cloudy, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 7.
M.L.King Day
Partly sunny, with a high near 17.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
3:16 am CST Jan 14, 2026
3am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database