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.

Fair

81°F

27°C

Humidity 93%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Sep 7:55 pm CDT
Extended Forecast for

4 Miles WSW London Mills IL

Extreme Heat Warning September 4, 08:20pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 08:20pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming north around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. East northeast wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. East northeast wind 3 to 7 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 86. Calm wind becoming east southeast around 6 mph in the morning.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. East southeast wind around 6 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. East northeast wind 3 to 6 mph. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 87. East northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Labor Day
Sunny, with a high near 86. Calm wind becoming east southeast around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 64. East southeast wind around 6 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW London Mills IL
 40.7°N 90.34°W (Elev. 558 ft)
Last Update:
7:36 pm CDT Sep 4, 2026
Forecast Valid:
8pm CDT Sep 4, 2026-6pm CDT Sep 11, 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