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

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint N/A
Visibility 10.00 mi
Last update 8 Mar 2:35 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly clear, with a low around 33. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. South southwest wind around 8 mph, with gusts as high as 17 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon. Increasing clouds, with a high near 79. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 41. South southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 41 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers, mainly before noon. High near 52. Breezy. Chance of precipitation is 80%.

    High: 52 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 33. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 64. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 72. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 53. South southwest wind around 8 mph, with gusts as high as 17 mph.
Tuesday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 79. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 41. South southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers, mainly before noon. High near 52. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 41. Breezy.
Friday
Partly sunny, with a high near 57. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
12:26 am CST Mar 8, 2026
Forecast Valid:
1am CST Mar 8, 2026-6pm CDT Mar 14, 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