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

73°F

23°C

Humidity 30%
Wind Speed S 13 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 8 Apr 6:54 pm CDT
Extended Forecast for

Kane IL

  • Tonight

    Tonight: Mostly clear, with a low around 54. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Southwest wind around 10 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 58. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 67. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48. East wind around 6 mph.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 54. South wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 78. Southwest wind around 10 mph.
Thursday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 58. South wind 7 to 11 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 67. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48. East wind around 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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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:
6:46 pm CDT Apr 8, 2026
Forecast Valid:
7pm CDT Apr 8, 2026-6pm CDT Apr 15, 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