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

53°F

12°C

Humidity 66%
Wind Speed S 13 G 20 mph
Barometer 29.79 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 8 Mar 9:35 pm CDT
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: Clear, with a low around 44. Southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. South southwest wind around 7 mph, with gusts as high as 16 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 78. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 41. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 51. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Clear, with a low around 44. Southwest wind around 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 72. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 53. South southwest wind around 7 mph, with gusts as high as 16 mph.
Tuesday
Showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 78. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 41. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 51. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 50.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 53.
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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:
9:37 pm CDT Mar 8, 2026
Forecast Valid:
9pm CDT Mar 8, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation