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

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

59°F

15°C

Humidity 100%
Wind Speed N 13 mph
Barometer 29.90 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Jun 2:15 am CDT
Extended Forecast for

Gilson IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. North northeast wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Light north wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 78. Calm wind.

    High: 78 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Light south southeast wind.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. South wind 5 to 7 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. North northeast wind 11 to 13 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 77. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. Light north wind.
Tuesday
Increasing clouds, with a high near 78. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 59. Light south southeast wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. South wind 5 to 7 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 88. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.89°N 90.21°W (Elev. 732 ft)
Last Update:
1:26 am CDT Jun 22, 2026
Forecast Valid:
2am CDT Jun 22, 2026-6pm CDT Jun 28, 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