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

89°F

32°C

Humidity 73%
Wind Speed S 5 mph
Barometer 29.90 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 3 Sep 6:35 pm CDT
Extended Forecast for

4 Miles W Alexis IL

Extreme Heat Warning September 3, 06:46pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 06:46pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

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

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind around 5 mph.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Labor Day
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 30 percent chance of showers. Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Alexis IL
 41.08°N 90.64°W (Elev. 663 ft)
Last Update:
5:41 pm CDT Sep 3, 2026
Forecast Valid:
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 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