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

76°F

24°C

Humidity 85%
Wind Speed SE 6 mph
Barometer 29.86 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Jun 9:15 pm CDT
Extended Forecast for

Henderson IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 75. South wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 107. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 38 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South southwest wind 14 to 18 mph, with gusts as high as 32 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 73. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 75. South wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 107. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 38 mph.
Saturday Night
Clear, with a low around 75. South southwest wind 14 to 18 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 73. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 93. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Henderson IL
 41.03°N 90.35°W (Elev. 801 ft)
Last Update:
8:56 pm CDT Jun 20, 2025
Forecast Valid:
9pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation