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

58°F

14°C

Humidity 73%
Wind Speed N 5 mph
Barometer 29.94 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Mar 10:15 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Light and variable wind becoming east around 6 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Southeast wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 72. West southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. North wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52. North northeast wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 7 mph after midnight. Winds could gust as high as 16 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Light and variable wind becoming east around 6 mph after midnight.
Saturday
Sunny, with a high near 80. Southeast wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 58. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy, with a high near 72. West southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 32. North wind 9 to 17 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 52. North northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 7 mph after midnight. Winds could gust as high as 16 mph.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 47.
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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:
10:36 pm CDT Mar 20, 2026
Forecast Valid:
10pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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