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

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

74°F

23°C

Humidity 69%
Wind Speed SW 15 G 23 mph
Barometer 29.82 in (1009.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Apr 11:54 pm CDT
Extended Forecast for

Kane IL

  • Overnight

    Overnight: Isolated showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 80 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then scattered showers. Low around 61. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: Scattered showers after 7am. Sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West wind around 6 mph becoming south after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Isolated showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms before 4am, then scattered showers. Low around 61. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday
Scattered showers after 7am. Sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 58. West wind around 6 mph becoming south after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kane IL
 39.2°N 90.38°W (Elev. 551 ft)
Last Update:
10:31 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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