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

82°F

28°C

Humidity 31%
Wind Speed S 8 mph
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 May 4:35 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 84 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Light east southeast wind.

    Low: 60 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. East wind 3 to 7 mph. Winds could gust as high as 17 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. East northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. South wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.
Tuesday
Increasing clouds, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. East wind 3 to 7 mph. Winds could gust as high as 17 mph.
Thursday
Mostly sunny, with a high near 85. East northeast wind around 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 57. East wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
1:36 pm CDT May 25, 2026
Forecast Valid:
4pm CDT May 25, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation