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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

67°F

19°C

Humidity 70%
Wind Speed NE 9 mph
Barometer 30.33 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Sep 2:55 pm CDT
Extended Forecast for

Galesburg IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 68. Northeast wind around 9 mph, with gusts as high as 15 mph.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Northeast wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. East northeast wind 3 to 6 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Light east wind.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. East wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 64. Southeast wind around 6 mph.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 68. Northeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 55. Northeast wind 3 to 6 mph. Winds could gust as high as 15 mph.
Thursday
Partly sunny, with a high near 70. East northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 59. Light east wind.
Friday
Mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 55. East wind around 5 mph.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. Southeast wind around 6 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Showers likely. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
1:26 pm CDT Sep 23, 2026
Forecast Valid:
3pm CDT Sep 23, 2026-6pm CDT Sep 29, 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