Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

25°F

-4°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.05 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Dec 10:55 am CST
Extended Forecast for

Gilson IL

Winter Weather Advisory December 11, 03:00pm until December 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow, mainly after 3pm.  High near 26. Light and variable wind becoming south southeast around 6 mph in the afternoon.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before midnight.  Low around 21. Southeast wind 5 to 7 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 29. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 29 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Wind chill values between -4 and 6. West northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow.  High near 12. Northwest wind 8 to 10 mph, with gusts as high as 17 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -10. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: -10 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 5. Northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

    High: 5 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

Today
Snow, mainly after 3pm. High near 26. Light and variable wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before midnight. Low around 21. Southeast wind 5 to 7 mph becoming north northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Mostly cloudy, with a high near 29. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 8. Wind chill values between -4 and 6. West northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Saturday
Snow. High near 12. Northwest wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Mostly clear, with a low around -10. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and cold, with a high near 5. Northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around -7.
Monday
Sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.19°W (Elev. 656 ft)
10:47 am CST Dec 11, 2025
11am CST Dec 11, 2025-6pm CST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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