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

72°F

22°C

Humidity 68%
Wind Speed SW 15 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 11:54 am CDT
Extended Forecast for

Kane IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 80. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Cloudy, with a low around 61. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 81. West wind 8 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. South wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 38.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 80. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely, mainly before 2am. Cloudy, with a low around 61. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 81. West wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 57. South wind 3 to 6 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
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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:
12:06 pm CDT Apr 15, 2026
Forecast Valid:
12pm CDT Apr 15, 2026-6pm CDT Apr 21, 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