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

41°F

5°C

Humidity 57%
Wind Speed Calm
Barometer 29.57 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 24 Feb 6:15 pm CST
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. South southwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. West southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 47. East wind 5 to 7 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 27. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 64. South southwest wind 7 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 31. West southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
A 30 percent chance of snow after noon. Partly sunny, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
A chance of rain and snow. Partly sunny, with a high near 39.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain. Mostly cloudy, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.3°W (Elev. 755 ft)
Last Update:
5:37 pm CST Feb 24, 2026
Forecast Valid:
6pm CST Feb 24, 2026-6pm CST Mar 3, 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