National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

27°F

-3°C

Humidity 98%
Wind Speed SE 9 mph
Barometer 29.96 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 5:15 am CDT
Extended Forecast for

Knoxville IL

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 21. South southeast wind around 13 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 47. South southeast wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 35. Light and variable wind becoming south southeast around 5 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 60. South wind 5 to 7 mph becoming north in the morning.

    High: 60 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. North northeast wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming north after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 21. South southeast wind around 13 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. South southeast wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Increasing clouds, with a low around 35. Light and variable wind becoming south southeast around 5 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 60. South wind 5 to 7 mph becoming north in the morning.
Thursday Night
Mostly cloudy, with a low around 42. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 71. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.27°W (Elev. 751 ft)
Last Update:
4:46 am CDT Mar 18, 2026
Forecast Valid:
5am CDT Mar 18, 2026-6pm CDT Mar 24, 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