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

37°F

3°C

Humidity 63%
Wind Speed NE 15 mph
Barometer 30.45 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 23 Mar 10:15 am CDT
Extended Forecast for

Galesburg IL

  • Today

    Today: Sunny, with a high near 50. North northeast wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light and variable wind becoming south southeast 5 to 7 mph after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. South southeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 17 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South southwest wind 7 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 50. North northeast wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 33. Light and variable wind becoming south southeast 5 to 7 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 57. South wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 40. South southeast wind around 7 mph, with gusts as high as 17 mph.
Wednesday
Partly sunny, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 17 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South southwest wind 7 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 61.
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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:
10:21 am CDT Mar 23, 2026
Forecast Valid:
10am CDT Mar 23, 2026-6pm CDT Mar 29, 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