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

29°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 5 Jan 7:35 am CST
Extended Forecast for

Knoxville IL

  • Today

    Today: Mostly sunny, with a high near 47. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Southeast wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Southwest wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 54. South wind around 6 mph becoming east in the afternoon.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 47. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Tonight
Mostly cloudy, with a low around 37. Southeast wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 48. Southwest wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 17 mph.
Thursday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 54. South wind around 6 mph becoming east in the afternoon.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 31.
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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:
3:24 am CST Jan 5, 2026
Forecast Valid:
7am CST Jan 5, 2026-6pm CST Jan 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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