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

67°F

19°C

Humidity 80%
Wind Speed S 10 mph
Barometer 29.77 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 May 2:15 am CDT
Extended Forecast for

Henderson IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. South southwest wind 8 to 10 mph becoming west northwest. Winds could gust as high as 21 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southeast wind 6 to 9 mph becoming southwest in the morning. Winds could gust as high as 16 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 62. South southeast wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 86 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Showers, with thunderstorms also possible after 7am. High near 85. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy.

    High: 80 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. South southwest wind 8 to 10 mph becoming west northwest. Winds could gust as high as 21 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southeast wind 6 to 9 mph becoming southwest in the morning. Winds could gust as high as 16 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 62. South southeast wind 6 to 8 mph, with gusts as high as 17 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.
Monday
Showers, with thunderstorms also possible after 7am. High near 85. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy.
Tuesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 75.
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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:
1:26 am CDT May 16, 2026
Forecast Valid:
2am CDT May 16, 2026-6pm CDT May 22, 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