National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

27°F

-3°C

Humidity 77%
Wind Speed NW 10 mph
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 27 Nov 9:35 pm CST
Extended Forecast for

Monmouth IL

Winter Storm Watch November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 18. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 33. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow, mainly after 2am. The snow could be heavy at times. Low around 25. Light southeast wind increasing to 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Saturday

    Saturday: Snow before noon, then snow, possibly mixed with rain. High near 33. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 33 °F

    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 20. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Sunday Night

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

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 18. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday
Increasing clouds, with a high near 33. Northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
Snow, mainly after 2am. The snow could be heavy at times. Low around 25. Light southeast wind increasing to 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow before noon, then snow, possibly mixed with rain. High near 33. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 20. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Mostly cloudy, with a high near 18.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
Last Update:
8:56 pm CST Nov 27, 2025
Forecast Valid:
9pm CST Nov 27, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation