Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

71°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 2 Sep 3:55 am CDT
Extended Forecast for

Knoxville IL

Heat Advisory September 2, 04:13am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 04:13am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 105. West southwest wind 6 to 8 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southeast wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. South southwest wind 3 to 5 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 105. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 105. West southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 75. Southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 92. South southwest wind 3 to 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Calm wind.
Saturday
Mostly sunny, with a high near 90. Calm wind.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.27°W (Elev. 751 ft)
3:36 am CDT Sep 2, 2026
4am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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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