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

58°F

14°C

Humidity 100%
Wind Speed S 9 mph
Barometer 30.00 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Apr 4:35 am CDT
Extended Forecast for

Knoxville IL

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 1am. Low around 60. South southwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 7am and 10am, then a slight chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 80. South southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 1am. Low around 60. South southwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers between 7am and 10am, then a slight chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 80. South southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
A chance of showers. Mostly sunny, with a high near 83.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IL
 40.92°N 90.3°W (Elev. 755 ft)
Last Update:
1:16 am CDT Apr 12, 2026
Forecast Valid:
5am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation