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.

Partly Cloudy

65°F

18°C

Humidity 82%
Wind Speed SW 9 mph
Barometer 29.94 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Apr 9:55 pm CDT
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: Mostly clear, with a low around 59. West southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. South southwest wind around 8 mph, with gusts as high as 17 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 81 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Northwest wind around 7 mph, with gusts as high as 17 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 77. South southwest wind around 8 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 7 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 49. Northwest wind around 7 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 73.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54.
Monday
Showers likely. Mostly cloudy, with a high near 70.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 64.
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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:
9:36 pm CDT Apr 21, 2026
Forecast Valid:
10pm CDT Apr 21, 2026-6pm CDT Apr 28, 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