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

38°F

3°C

Humidity 78%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Mar 11:15 am CDT
Extended Forecast for

Galesburg IL

  • Today

    Today: Sunny, with a high near 47. West southwest wind around 7 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South southeast wind 3 to 6 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 60. South southwest wind 5 to 7 mph becoming north northeast in the morning.

    High: 60 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. North northeast wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming north after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 47. West southwest wind around 7 mph.
Tonight
Increasing clouds, with a low around 35. South southeast wind 3 to 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 60. South southwest wind 5 to 7 mph becoming north northeast in the morning.
Thursday Night
Mostly cloudy, with a low around 42. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 75. Southeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 55.
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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:
7:36 am CDT Mar 18, 2026
Forecast Valid:
11am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation