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.

Fair

67°F

19°C

Humidity 80%
Wind Speed SE 5 mph
Barometer 29.87 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 May 8:35 pm CDT
Extended Forecast for

Knoxville IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 64. South southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before noon, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 75. South southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. East wind around 8 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. East wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 64. South southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms before noon, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 75. South southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 48. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 66. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 43. East wind around 8 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 69. East wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 22 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 59.
Memorial Day
Partly sunny, with a high near 85.
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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:
7:51 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation