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

73°F

23°C

Humidity 65%
Wind Speed W 12 G 18 mph
Barometer 29.89 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 1:35 pm CDT
Extended Forecast for

Galesburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 15 mph.

    Low: 56 °F

    Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 83. South wind 8 to 18 mph, with gusts as high as 32 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Some of the storms could produce heavy rainfall. Low around 40. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 40 °F

    Heavy Rain
    then Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 52. West northwest wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 34. West wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 55. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 56. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 15 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 83. South wind 8 to 18 mph, with gusts as high as 32 mph.
Friday Night
Showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Some of the storms could produce heavy rainfall. Low around 40. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Mostly sunny, with a high near 52. West northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 34. West wind 6 to 14 mph, with gusts as high as 26 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 55. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.96°N 90.36°W (Elev. 791 ft)
Last Update:
1:26 pm CDT Apr 16, 2026
Forecast Valid:
1pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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