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 and Breezy

48°F

9°C

Humidity 53%
Wind Speed W 23 G 33 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Mar 4:15 pm CDT
Extended Forecast for

Gilson IL

  • Tonight

    Tonight: Increasing clouds, with a low around 31. West northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. East southeast wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. East southeast wind around 14 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely before 10am, then showers, mainly after 10am. High near 66. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers before 10pm, then snow. Low around 17. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Blustery.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 23. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.

    High: 23 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 33 mph.

    Low: 6 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 31. West northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly cloudy, with a high near 50. East southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. East southeast wind around 14 mph, with gusts as high as 28 mph.
Sunday
Rain likely before 10am, then showers, mainly after 10am. High near 66. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers before 10pm, then snow. Low around 17. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 23. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 6. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 33 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.21°W (Elev. 699 ft)
Last Update:
3:37 pm CDT Mar 13, 2026
Forecast Valid:
4pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation