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

74°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 5:55 am CDT
Extended Forecast for

4 Miles SE North Henderson IL

Heat Advisory August 17, 06:15am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 06:15am until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind becoming east around 6 mph in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92. Heat index values as high as 105. South wind 6 to 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 3 to 6 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. North wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 90. Heat index values as high as 102. Light south wind.
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind becoming east around 6 mph in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92. Heat index values as high as 105. South wind 6 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 67. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 81. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE North Henderson IL
 41.05°N 90.44°W (Elev. 755 ft)
Last Update:
6:10 am CDT Aug 17, 2025
Forecast Valid:
6am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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