National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

62°F

17°C

Humidity 100%
Wind Speed N 7 mph
Barometer 29.88 in
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 2 Aug 5:55 am CDT
Extended Forecast for

Henderson IL

  • Today

    Today: Mostly sunny, with a high near 79. North wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. North northeast wind 3 to 7 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light east wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. East southeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. South wind around 5 mph becoming calm in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 79. North wind 9 to 13 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 60. North northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 82. Light east wind.
Monday Night
Mostly clear, with a low around 62. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. South wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Light south southeast wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Henderson IL
 41.03°N 90.35°W (Elev. 801 ft)
Last Update:
1:26 am CDT Aug 2, 2026
Forecast Valid:
6am CDT Aug 2, 2026-6pm CDT Aug 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