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

73°F

23°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Sep 7:35 am CDT
Extended Forecast for

3 Miles WSW Henderson IL

Heat Advisory September 2, 08:00am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 08:00am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 103. West southwest wind 6 to 8 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southeast wind around 6 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. South southwest wind around 5 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 107. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind around 7 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 93. Heat index values as high as 103. West southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 75. Southeast wind around 6 mph.
Friday
Sunny, with a high near 91. South southwest wind around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Calm wind.
Saturday
Mostly sunny, with a high near 90. Calm wind.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Henderson IL
 41.01°N 90.41°W (Elev. 751 ft)
Last Update:
7:36 am CDT Sep 2, 2026
Forecast Valid:
8am CDT Sep 2, 2026-6pm CDT Sep 8, 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