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Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

58°F

14°C

Humidity 68%
Wind Speed W 3 mph
Barometer 29.99 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 9:15 pm CDT
Extended Forecast for

Gilson IL

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light northwest wind.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Light north northwest wind.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Light east southeast wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. South southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Light northwest wind.
Thursday
Sunny, with a high near 75. Light north northwest wind.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Light east southeast wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 83. South wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 57. South southeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A chance of showers. Mostly sunny, with a high near 64.
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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:
7:36 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 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