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

25°F

-4°C

Humidity 86%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 28 Feb 5:15 am CST
Extended Forecast for

Galesburg IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 45. North northeast wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 21. North northeast wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 37. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 23. East wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 44. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 34. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 46. Southeast wind 6 to 8 mph becoming north northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Mostly sunny, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 45. North northeast wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 21. North northeast wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 37. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23. East wind 6 to 8 mph, with gusts as high as 17 mph.
Monday
Mostly cloudy, with a high near 44. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Rain, mainly after midnight. Low around 34. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 46. Southeast wind 6 to 8 mph becoming north northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A 50 percent chance of rain. Partly cloudy, with a low around 35.
Wednesday
Rain likely, mainly after noon. Mostly sunny, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 61.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
Rain likely. Cloudy, with a high near 62.
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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:
3:06 am CST Feb 28, 2026
Forecast Valid:
5am CST Feb 28, 2026-6pm CST Mar 6, 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