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

32°F

0°C

Humidity 100%
Wind Speed E 7 mph
Barometer NA
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 9:55 am CDT
Extended Forecast for

Galesburg IL

  • Today

    Today: Partly sunny, with a high near 50. East southeast wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain and thunderstorms likely before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 63. Breezy, with a south wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm. Widespread blowing snow, mainly after 3am. Low around 15. Wind chill values between 1 and 11. Windy, with a north northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Rain/Snow and
    Patchy
    Blowing Snow
    then Snow and
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Widespread blowing snow, mainly before 7am. Cloudy, with a high near 22. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 43 mph.

    High: 22 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Blustery, with a west northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West northwest wind around 8 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.

    Low: 20 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. East southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 30 mph.
Sunday
Rain and thunderstorms likely before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 63. Breezy, with a south wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 10pm. Widespread blowing snow, mainly after 3am. Low around 15. Wind chill values between 1 and 11. Windy, with a north northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 50 percent chance of snow before 1pm. Widespread blowing snow, mainly before 7am. Cloudy, with a high near 22. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 43 mph.
Monday Night
Partly cloudy, with a low around 4. Blustery, with a west northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Mostly sunny, with a high near 27. West northwest wind around 8 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
9:36 am CDT Mar 14, 2026
Forecast Valid:
10am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation