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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

69°F

21°C

Humidity 76%
Wind Speed SE 3 mph
Barometer 30.06 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 8:55 pm CDT
Extended Forecast for

Galesburg Municipal Airport IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Isolated showers after 10pm. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Isolated
    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 6 mph becoming calm in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 3 to 8 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southwest wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. West wind 5 to 7 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 10pm. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 6 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. Light south wind.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 74. South southwest wind 6 to 8 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 72. West wind 5 to 7 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galesburg Municipal Airport IL
 40.94°N 90.44°W (Elev. 751 ft)
Last Update:
8:37 pm CDT Jul 24, 2026
Forecast Valid:
9pm CDT Jul 24, 2026-6pm CDT Jul 31, 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