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

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

21°F

-6°C

Humidity 69%
Wind Speed NE 7 mph
Barometer 30.47 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 7 Feb 9:15 am CST
Extended Forecast for

Gilson IL

  • Today

    Today: Increasing clouds, with a high near 32. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Southeast wind 3 to 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. South southwest wind 3 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind around 7 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. West southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 32. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 24. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 39. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 25. Southeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 54. South southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 38. South wind around 7 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 60. West southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.19°W (Elev. 656 ft)
Last Update:
8:37 am CST Feb 7, 2026
Forecast Valid:
9am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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