National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

79°F

26°C

Humidity 63%
Wind Speed W 8 mph
Barometer 29.91 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Oct 1:35 pm CDT
Extended Forecast for

Galesburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. West wind around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. Light north wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Cloudy, with a high near 69. North northeast wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 56. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers. High near 68. East northeast wind around 7 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 33 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 57. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. West wind around 5 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. Light north wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Cloudy, with a high near 69. North northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 56. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. High near 68. East northeast wind around 7 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
A 50 percent chance of showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 33 mph.
Friday
Mostly sunny, with a high near 57. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Saturday Night
Clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.39°W (Elev. 764 ft)
Last Update:
1:26 pm CDT Oct 13, 2026
Forecast Valid:
1pm CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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