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

30°F

-1°C

Humidity 90%
Wind Speed SW 9 mph
Barometer 30.20 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Jan 8:55 am CST
Extended Forecast for

Knoxville IL

  • Today

    Today: Mostly sunny, with a high near 45. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. West wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 26 by 5pm. Breezy, with a north wind 16 to 22 mph, with gusts as high as 34 mph.

    High: 36 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14. Blustery, with a north wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Today
Mostly sunny, with a high near 45. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 33. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 51. West wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 32. West wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 26 by 5pm. Breezy, with a north wind 16 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 14. Blustery, with a north wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.
Friday
A 50 percent chance of snow showers after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.3°W (Elev. 755 ft)
Last Update:
5:52 am CST Jan 12, 2026
Forecast Valid:
9am CST Jan 12, 2026-6pm CST Jan 18, 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