Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 8 Aug 2:54 am CDT
Extended Forecast for

3 Miles NW Kane IL

  • Overnight

    Overnight: Mostly clear, with a low around 69. Light west wind.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Light southeast wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 11 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 7 to 9 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Light west wind.
Saturday
Sunny, with a high near 89. Light and variable wind.
Saturday Night
Mostly clear, with a low around 69. Light southeast wind.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 74. South wind 7 to 9 mph.
Monday
Sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Kane IL
 39.22°N 90.4°W (Elev. 499 ft)
2:11 am CDT Aug 8, 2026
3am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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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