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

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 28 Jul 11:35 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind becoming east around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light east northeast wind.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 6 mph after midnight. Winds could gust as high as 15 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. South southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 65. Southeast wind 10 to 13 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Calm wind becoming east around 5 mph.
Wednesday
Sunny, with a high near 85. Light east northeast wind.
Wednesday Night
Mostly clear, with a low around 63. Light and variable wind.
Thursday
Sunny, with a high near 86. South wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 6 mph after midnight. Winds could gust as high as 15 mph.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. South southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 65. Southeast wind 10 to 13 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 86.
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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 Jul 28, 2026
Forecast Valid:
11pm CDT Jul 28, 2026-6pm CDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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