Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Seaton IL

  • Tonight

    Tonight: A 40 percent chance of snow, mainly between 2am and 5am.  Cloudy, with a steady temperature around 24. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after 5pm.  Mostly sunny, with a high near 35. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm.  Partly cloudy, with a low around 15. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -7.

    Low: -7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly between 2am and 5am. Cloudy, with a steady temperature around 24. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of snow after 5pm. Mostly sunny, with a high near 35. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Partly cloudy, with a low around 15. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around -6.
Friday
Mostly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -7.
Saturday
Mostly cloudy and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Seaton IL
 41.1°N 90.81°W (Elev. 636 ft)
9:41 pm CST Jan 20, 2026
10pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database