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.

Overcast

48°F

9°C

Humidity 60%
Wind Speed SE 6 mph
Barometer NA
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 25 Mar 3:15 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. South southeast wind around 8 mph, with gusts as high as 17 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 84. Southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 1am. Mostly cloudy, with a low around 35. North northeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 50. North wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 50 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 28. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. South southeast wind around 8 mph, with gusts as high as 17 mph.
Wednesday
Partly sunny, with a high near 75. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 84. Southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 35. North northeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 50. North wind 11 to 14 mph, with gusts as high as 24 mph.
Friday Night
Clear, with a low around 28. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 79.
Monday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
A chance of rain. Partly 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:
1:26 am CDT Mar 25, 2026
Forecast Valid:
3am CDT Mar 25, 2026-6pm CDT Mar 31, 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