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

50°F

10°C

Humidity 73%
Wind Speed W 8 mph
Barometer 30.00 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Mar 3:55 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Light and variable wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. West wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. West northwest wind 5 to 9 mph becoming 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 51. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Light and variable wind.
Thursday
Mostly sunny, with a high near 61. Light and variable wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. Calm wind becoming south southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 73. West wind 6 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly cloudy, with a low around 45. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 75. West northwest wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 51. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.96°N 90.36°W (Elev. 791 ft)
Last Update:
3:36 pm CDT Mar 18, 2026
Forecast Valid:
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 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