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

77°F

25°C

Humidity 69%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 7:35 pm CDT
Extended Forecast for

4 Miles NW Galesburg Municipal Airport IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind becoming south around 5 mph after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 67. South wind around 5 mph becoming west after midnight.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 63 °F

    Heavy Rain

  • Thursday

    Thursday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Tuesday
Sunny, with a high near 86. South wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 67. South wind around 5 mph becoming west after midnight.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 69.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Galesburg Municipal Airport IL
 40.99°N 90.5°W (Elev. 751 ft)
Last Update:
4:31 pm CDT Aug 3, 2026
Forecast Valid:
7pm CDT Aug 3, 2026-6pm CDT Aug 10, 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