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

27°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 20 Jan 5:35 pm CST
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: A 40 percent chance of snow, mainly between 10pm and 5am. Mostly cloudy, with a low around 23. South southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 9pm. Partly cloudy, with a low around 15. Wind chill values between 5 and 10. West northwest wind 8 to 17 mph, with gusts as high as 29 mph.

    Low: 15 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27. Wind chill values between 5 and 15. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -5. North northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: -5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 1. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -7. North northeast wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: -7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 9.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly between 10pm and 5am. Mostly cloudy, with a low around 23. South southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 35. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of snow before 9pm. Partly cloudy, with a low around 15. Wind chill values between 5 and 10. West northwest wind 8 to 17 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 27. Wind chill values between 5 and 15. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around -5. North northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny and cold, with a high near 1. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around -7. North northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday
Mostly cloudy and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Mostly sunny, with a high near 30.
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:
5:36 pm CST Jan 20, 2026
Forecast Valid:
6pm CST Jan 20, 2026-6pm CST Jan 27, 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