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.

Fog/Mist

39°F

4°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.18 in
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Wind Chill35°F (2°C)
Last update 3 Mar 12:55 am CST
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: A 40 percent chance of rain, mainly after 5am. Cloudy, with a low around 34. East wind around 5 mph.

    Low: 34 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 49. Light and variable wind becoming northeast around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 37. East northeast wind 3 to 7 mph. Winds could gust as high as 16 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Cloudy, with a high near 52. East wind 5 to 7 mph, with gusts as high as 16 mph.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 43. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, with a high near 59. Northeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 46. Light south wind becoming southeast 5 to 9 mph after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 5am. Cloudy, with a low around 34. East wind around 5 mph.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 49. Light and variable wind becoming northeast around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 37. East northeast wind 3 to 7 mph. Winds could gust as high as 16 mph.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 52. East wind 5 to 7 mph, with gusts as high as 16 mph.
Wednesday Night
Rain. Low around 43. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 59. Northeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 46. Light south wind becoming southeast 5 to 9 mph after midnight. Winds could gust as high as 20 mph.
Friday
Rain. High near 74. Chance of precipitation is 90%.
Friday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
12:31 am CST Mar 3, 2026
Forecast Valid:
1am CST Mar 3, 2026-6pm CDT Mar 9, 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