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.

Overcast

77°F

25°C

Humidity 50%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Jun 3:15 pm CDT
Extended Forecast for

Knoxville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light south southeast wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 80. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 61. West wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 78. East northeast wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. Calm wind.
Tonight
Partly cloudy, with a low around 60. Light south southeast wind.
Wednesday
Scattered showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 80. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Wednesday Night
Increasing clouds, with a low around 61. West wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Light and variable wind.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 78. East northeast wind 6 to 9 mph, with gusts as high as 17 mph.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.89°N 90.3°W (Elev. 728 ft)
Last Update:
1:56 pm CDT Jun 23, 2026
Forecast Valid:
3pm CDT Jun 23, 2026-6pm CDT Jun 29, 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