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Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

78°F

26°C

Humidity 31%
Wind Speed W 7 mph
Barometer 30.07 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Oct 3:55 pm CDT
Extended Forecast for

Gilson IL

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Calm wind.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming south southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind around 7 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 82. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 82 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. South southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Light south southeast wind.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming south southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 61. South wind around 7 mph, with gusts as high as 17 mph.
Saturday
Increasing clouds, with a high near 82. South wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 58. South southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.
Sunday Night
Mostly clear, with a low around 58. Light south southeast wind.
Columbus Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A chance of showers. Mostly cloudy, with a high near 72.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.21°W (Elev. 699 ft)
Last Update:
3:36 pm CDT Oct 8, 2026
Forecast Valid:
4pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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