National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

51°F

11°C

Humidity 73%
Wind Speed SE 3 mph
Barometer NA
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 29 Mar 11:55 pm CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly clear, with a low around 52. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 64. South southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers and
    Breezy then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 43. West northwest wind around 14 mph becoming north northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 49. East northeast wind around 15 mph, with gusts as high as 24 mph.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 38. East northeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: Showers. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 52. South wind around 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 81. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 64. South southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 43. West northwest wind around 14 mph becoming north northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 49. East northeast wind around 15 mph, with gusts as high as 24 mph.
Wednesday Night
Showers. Low around 38. East northeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 54. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 38.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
Showers. Mostly cloudy, with a high near 65.
Saturday Night
Showers likely. Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
5:52 pm CDT Mar 29, 2026
Forecast Valid:
12am CDT Mar 30, 2026-6pm CDT Apr 5, 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