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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

68°F

20°C

Humidity 82%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 24 Jul 11:35 pm CDT
Extended Forecast for

La Fayette IL

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 84. South wind 5 to 7 mph.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Light south wind.

    Low: 69 °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. Winds could gust as high as 15 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. West wind 7 to 9 mph becoming north northwest after midnight. Winds could gust as high as 15 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
Mostly cloudy, with a low around 65. South wind 3 to 5 mph.
Saturday
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 84. South wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 69. Light south wind.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 3 to 8 mph. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 74. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 72. West wind 7 to 9 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Fayette IL
 41.1°N 89.97°W (Elev. 771 ft)
Last Update:
11:36 pm CDT Jul 24, 2026
Forecast Valid:
11pm 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