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

46°F

8°C

Humidity 54%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 6 May 8:35 pm CDT
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: A chance of showers between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 63. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 44. West southwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West wind around 5 mph becoming calm.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 53. Light and variable wind becoming north northwest around 6 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A chance of showers between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 63. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 44. West southwest wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 77. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 53. Light and variable wind becoming north northwest around 6 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 69.
Monday Night
A chance of showers. Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.96°N 90.36°W (Elev. 791 ft)
Last Update:
8:01 pm CDT May 6, 2026
Forecast Valid:
8pm CDT May 6, 2026-6pm CDT May 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation