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.

Overcast

34°F

1°C

Humidity 87%
Wind Speed NE 5 mph
Barometer NA
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 1:55 am CDT
Extended Forecast for

Knoxville IL

  • Overnight

    Overnight: A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 8am. Mostly cloudy, with a high near 50. East southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 50 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 7am. High near 64. Breezy, with a south wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm. Low around 15. Blustery, with a north northwest wind 23 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Blustery.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Cloudy, with a high near 22. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 43 mph.

    High: 22 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Blustery, with a west northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Saturday
A 20 percent chance of snow before 8am. Mostly cloudy, with a high near 50. East southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday Night
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday
Rain, mainly after 7am. High near 64. Breezy, with a south wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 10pm. Low around 15. Blustery, with a north northwest wind 23 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 50 percent chance of snow before 1pm. Cloudy, with a high near 22. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 43 mph.
Monday Night
Partly cloudy, with a low around 4. Blustery, with a west northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62.
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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:
1:53 am CDT Mar 14, 2026
Forecast Valid:
2am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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