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

44°F

7°C

Humidity 84%
Wind Speed W 12 mph
Barometer 30.22 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Apr 2:35 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly clear, with a low around 35. Northwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 54. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 54 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. North northwest wind 8 to 14 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. East northeast wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 31 mph.

    High: 69 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53. South southwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Northwest wind around 11 mph, with gusts as high as 21 mph.
Monday
Increasing clouds, with a high near 54. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 30. North northwest wind 8 to 14 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 46. East northeast wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53. South southwest wind around 15 mph, with gusts as high as 28 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58.
Sunday
Showers likely. Mostly cloudy, with a high near 77.
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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:
1:26 am CDT Apr 6, 2026
Forecast Valid:
2am CDT Apr 6, 2026-6pm CDT Apr 12, 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