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

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Partly Cloudy

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 12 Aug 11:15 pm CDT
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 83. East southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 68. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 85. East southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely after 1am. Mostly cloudy, with a low around 71. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 71 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Southeast wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. East wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 83. East southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 68. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 85. East southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely after 1am. Mostly cloudy, with a low around 71. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Southeast wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.27°W (Elev. 751 ft)
Last Update:
10:36 pm CDT Aug 12, 2026
Forecast Valid:
11pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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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