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

42°F

6°C

Humidity 95%
Wind Speed E 8 mph
Barometer 30.02 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 19 Mar 1:55 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Southeast wind 3 to 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. West southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. North northwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. South wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Light southeast wind.
Thursday
Sunny, with a high near 66. Southeast wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 45. Light and variable wind becoming southwest around 6 mph after midnight.
Friday
Mostly sunny, with a high near 71. West southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 44. North northwest wind 5 to 7 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 54. South wind 7 to 11 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 66.
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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:
1:59 am CDT Mar 19, 2026
Forecast Valid:
2am CDT Mar 19, 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