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

80°F

27°C

Humidity 58%
Wind Speed W 9 mph
Barometer 30.01 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Jun 12:35 pm CDT
Extended Forecast for

Gilson IL

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West northwest wind around 10 mph, with gusts as high as 17 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 74. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

Juneteenth
Sunny, with a high near 83. West northwest wind around 10 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 64. West wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 86. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 73. South wind around 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.
Saturday Night
Clear, with a low around 74. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 94. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 74.
Monday
Sunny and hot, with a high near 95.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.89°N 90.21°W (Elev. 732 ft)
Last Update:
12:41 pm CDT Jun 19, 2025
Forecast Valid:
12pm CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation