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.

Overcast

66°F

19°C

Humidity 65%
Wind Speed W 10 mph
Barometer 30.21 in (1022.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Apr 9:54 am CDT
Extended Forecast for

Kane IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before noon. Cloudy, with a temperature falling to around 60 by 1pm. West wind 9 to 11 mph becoming north in the afternoon.

    High: 68 °F⇓

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 49. North wind around 7 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 69. Southeast wind 8 to 10 mph.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before noon. Cloudy, with a temperature falling to around 60 by 1pm. West wind 9 to 11 mph becoming north in the afternoon.
Tonight
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 49. North wind around 7 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 69. Southeast wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 59. Southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kane IL
 39.2°N 90.38°W (Elev. 551 ft)
Last Update:
8:36 am CDT Apr 10, 2026
Forecast Valid:
10am CDT Apr 10, 2026-6pm CDT Apr 16, 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