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

48°F

9°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.92 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Mar 5:15 am CDT
Extended Forecast for

Knoxville IL

  • Today

    Today: Sunny, with a high near 85. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. Breezy, with a west wind 9 to 14 mph becoming north northeast 16 to 21 mph in the morning. Winds could gust as high as 30 mph.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. North wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. North northeast wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 85. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 55. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. Breezy, with a west wind 9 to 14 mph becoming north northeast 16 to 21 mph in the morning. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 30. North wind 7 to 17 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 52. North northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 61. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Mostly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 51.
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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:
4:36 am CDT Mar 21, 2026
Forecast Valid:
5am CDT Mar 21, 2026-6pm CDT Mar 27, 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