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

63°F

17°C

Humidity 55%
Wind Speed S 9 mph
Barometer 30.02 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Apr 9:55 pm CDT
Extended Forecast for

Gilson IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers after 5pm. Mostly sunny, with a high near 72. West wind around 6 mph, with gusts as high as 15 mph. Chance of precipitation is 10%.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 49. North northeast wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers likely before 1pm. Mostly cloudy, with a high near 60. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. North northeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 62. Southeast wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 74. Breezy.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 28 mph.
Thursday
A slight chance of showers before 7am, then a slight chance of showers after 5pm. Mostly sunny, with a high near 72. West wind around 6 mph, with gusts as high as 15 mph. Chance of precipitation is 10%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 49. North northeast wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely before 1pm. Mostly cloudy, with a high near 60. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 40. North northeast wind around 6 mph.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 62. Southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 74. Breezy.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.19°W (Elev. 656 ft)
Last Update:
9:37 pm CDT Apr 8, 2026
Forecast Valid:
10pm CDT Apr 8, 2026-6pm CDT Apr 15, 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