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.

Mostly Cloudy

40°F

4°C

Humidity 57%
Wind Speed Calm
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 23 Mar 9:55 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southeast wind 5 to 8 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. South southeast wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 82. South southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Breezy, with a north northeast wind around 21 mph, with gusts as high as 32 mph.

    Low: 35 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southeast wind 5 to 8 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 57. South southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 43. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 56. South wind around 7 mph, with gusts as high as 15 mph.
Thursday
A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 82. South southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Breezy, with a north northeast wind around 21 mph, with gusts as high as 32 mph.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
9:36 pm CDT Mar 23, 2026
Forecast Valid:
10pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation