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.

Partly Cloudy

53°F

12°C

Humidity 45%
Wind Speed E 3 mph
Barometer NA
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Mar 7:55 pm CDT
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East southeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 7 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 35. North northeast wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 50. North northeast wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 28. North northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. East southeast wind around 7 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 73. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 7 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 35. North northeast wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 50. North northeast wind 11 to 15 mph, with gusts as high as 26 mph.
Friday Night
Clear, with a low around 28. North northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 73.
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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:
5:56 pm CDT Mar 24, 2026
Forecast Valid:
8pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation