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Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

71°F

22°C

Humidity 64%
Wind Speed S 10 mph
Barometer 30.01 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 11:15 am CDT
Extended Forecast for

Gilson IL

  • Today

    Today: Sunny, with a high near 84. South wind around 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Southwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 62. Calm wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Northeast wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 84. South wind around 7 mph.
Tonight
Increasing clouds, with a low around 64. South wind 5 to 7 mph, with gusts as high as 16 mph.
Columbus Day
Sunny, with a high near 89. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 70. Southwest wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 84. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 62. Calm wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Northeast wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Cloudy, with a high near 70. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 62. Breezy.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 57.
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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:
10:46 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 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