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

43°F

6°C

Humidity 87%
Wind Speed W 14 mph
Barometer 29.70 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 13 Jan 6:35 pm CST
Extended Forecast for

Galesburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Blustery, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: A chance of flurries before 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 17 to 23 mph, with gusts as high as 36 mph.

    High: 28 °F⇓

    Chance
    Flurries and
    Blustery

  • Wednesday Night

    Wednesday Night: Clear, with a low around 14. Wind chill values between 5 and 10. North northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 30. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 30 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a temperature rising to around 32 by 4am. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F⇑

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 36. West wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. West northwest wind around 17 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Blustery, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.
Wednesday
A chance of flurries before 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 17 to 23 mph, with gusts as high as 36 mph.
Wednesday Night
Clear, with a low around 14. Wind chill values between 5 and 10. North northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 30. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a temperature rising to around 32 by 4am. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Mostly cloudy, with a high near 36. West wind 15 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 12. West northwest wind around 17 mph, with gusts as high as 28 mph.
Saturday
Mostly cloudy, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.41°W (Elev. 745 ft)
Last Update:
6:36 pm CST Jan 13, 2026
Forecast Valid:
6pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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