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.

Fair

83°F

28°C

Humidity 71%
Wind Speed S 18 G 26 mph
Barometer 29.87 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 9:55 am CDT
Extended Forecast for

Knoxville IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 74. South southwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 7 mph.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph.
Tonight
Clear, with a low around 74. South southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 94. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.27°W (Elev. 751 ft)
Last Update:
5:41 am CDT Jun 21, 2025
Forecast Valid:
10am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation