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 >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast and Breezy

33°F

1°C

Humidity 65%
Wind Speed W 21 G 29 mph
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 21 Jan 12:55 pm CST
Extended Forecast for

Seaton IL

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Wind Advisory January 21, 05:00pm until January 22, 12:00am
Click here for hazard details and duration
Extreme Cold Watch
Wind Advisory
  • This Afternoon

    This Afternoon: A chance of sprinkles and flurries between 4pm and 5pm, then a slight chance of snow after 5pm.  Sunny early, then becoming mostly cloudy, with a high near 35. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Sprinkles/Snow
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of snow before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Breezy, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 50 mph.

    Low: 15 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 30. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -7. Wind chill values as low as -25. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: -7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 1.

    High: 1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon.  Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 16.

    High: 16 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of sprinkles and flurries between 4pm and 5pm, then a slight chance of snow after 5pm. Sunny early, then becoming mostly cloudy, with a high near 35. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of snow before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Breezy, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 50 mph.
Thursday
Increasing clouds, with a high near 30. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -7. Wind chill values as low as -25. Northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Partly sunny and cold, with a high near 1.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 2.
Sunday
Mostly cloudy, with a high near 16.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Mostly sunny, with a high near 13.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Mostly sunny, with a high near 25.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Seaton IL
 41.1°N 90.81°W (Elev. 636 ft)
1:16 pm CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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