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

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Mostly Cloudy

83°F

28°C

Humidity 89%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 26 Jul 12:15 pm CDT
Extended Forecast for

3 Miles NNW Williamsfield IL

Extreme Heat Warning until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 109. South southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southwest wind 6 to 8 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 91. Heat index values as high as 108. South southwest wind around 5 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 75. Light and variable wind becoming southeast around 6 mph after midnight.
Monday
Sunny, with a high near 93. Heat index values as high as 109. South southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 73. Southwest wind 6 to 8 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Tuesday
Sunny, with a high near 88. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Williamsfield IL
 40.95°N 90.04°W (Elev. 653 ft)
Last Update:
11:26 am CDT Jul 26, 2026
Forecast Valid:
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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