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

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

45°F

7°C

Humidity 85%
Wind Speed SE 6 mph
Barometer 29.94 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Feb 10:55 pm CST
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southeast wind 15 to 18 mph becoming southwest after midnight. Winds could gust as high as 32 mph.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 66. West wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. West southwest wind 5 to 8 mph becoming east after midnight. Winds could gust as high as 16 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 66. East wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Partly cloudy, with a low around 32. South wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. South wind around 7 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 61. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southeast wind 15 to 18 mph becoming southwest after midnight. Winds could gust as high as 32 mph.
Wednesday
Sunny, with a high near 66. West wind 10 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 41. West southwest wind 5 to 8 mph becoming east after midnight. Winds could gust as high as 16 mph.
Thursday
Rain likely after noon. Partly sunny, with a high near 66. East wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain. Partly cloudy, with a low around 32. South wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.3°W (Elev. 755 ft)
Last Update:
9:37 pm CST Feb 16, 2026
Forecast Valid:
11pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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