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

70°F

21°C

Humidity 55%
Wind Speed W 10 mph
Barometer 29.87 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 20 Mar 12:15 pm CDT
Extended Forecast for

Knoxville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. West northwest wind around 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. North wind around 6 mph becoming light and variable.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 75. South southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. North wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. North wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. West northwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 44. North wind around 6 mph becoming light and variable.
Saturday
Sunny, with a high near 80. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 75. South southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 34. North wind 10 to 17 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 53. North wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 70.
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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:
10:36 am CDT Mar 20, 2026
Forecast Valid:
12pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation