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

65°F

18°C

Humidity 68%
Wind Speed S 12 mph
Barometer 29.59 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Mar 2:55 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 66. South southwest wind around 13 mph, with gusts as high as 24 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 4pm. Mostly cloudy, with a temperature falling to around 52 by 5pm. Breezy, with a west wind 9 to 14 mph becoming north 17 to 22 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    High: 62 °F⇓

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North northeast wind 7 to 17 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 52. Northeast wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. East wind 3 to 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. South southeast wind around 7 mph, with gusts as high as 16 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 66. South southwest wind around 13 mph, with gusts as high as 24 mph.
Sunday
A slight chance of showers between 2pm and 4pm. Mostly cloudy, with a temperature falling to around 52 by 5pm. Breezy, with a west wind 9 to 14 mph becoming north 17 to 22 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 30. North northeast wind 7 to 17 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 52. Northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 35. East wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 44. South southeast wind around 7 mph, with gusts as high as 16 mph.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 56.
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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 Mar 22, 2026
Forecast Valid:
3am CDT Mar 22, 2026-6pm CDT Mar 28, 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