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

23°C

73°F

Humidity 86%
Wind Speed W 6 km/h
Barometer 29.98 in
Dewpoint 21°C (69°F)
Visibility 11 km
Last update 12 Jul 8:55 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West northwest wind 5 to 8 km/h.

    Low: 17 °C

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. North northwest wind 5 to 8 km/h becoming south in the morning.

    High: 28 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. South southwest wind 5 to 10 km/h.

    High: 31 °C

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31. South wind 8 to 11 km/h.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 21. South wind 8 to 10 km/h.

    Low: 21 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.

    High: 31 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. West northwest wind 5 to 8 km/h.
Sunday
Partly sunny, with a high near 28. North northwest wind 5 to 8 km/h becoming south in the morning.
Sunday Night
Mostly clear, with a low around 18. Calm wind.
Monday
Sunny, with a high near 31. South southwest wind 5 to 10 km/h.
Monday Night
Partly cloudy, with a low around 21. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31. South wind 8 to 11 km/h.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 21. South wind 8 to 10 km/h.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.96°N 90.36°W (Elev. 791 m)
Last Update:
5:41 pm CDT Jul 12, 2025
Forecast Valid:
9pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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