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.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed W 3 mph
Barometer 29.98 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 14 Oct 4:55 am CDT
Extended Forecast for

Knoxville IL

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 62. Light north northwest wind.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers between 10am and noon. Mostly cloudy, with a high near 68. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 55. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 67. East wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 45. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 22 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 62. Light north northwest wind.
Wednesday
A 40 percent chance of showers between 10am and noon. Mostly cloudy, with a high near 68. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 55. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 67. East wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 45. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 56. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 37 mph.
Friday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 73.
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:
4:36 am CDT Oct 14, 2026
Forecast Valid:
5am CDT Oct 14, 2026-6pm CDT Oct 20, 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