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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

73°F

23°C

Humidity 96%
Wind Speed N 7 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 4:54 am CDT
Extended Forecast for

Kane IL

  • Today

    Today: Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Northeast wind 3 to 6 mph.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84. Light northwest wind becoming north 5 to 9 mph in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Northeast wind 3 to 6 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 66. Light and variable wind.
Saturday
Sunny, with a high near 84. Light northwest wind becoming north 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 87.
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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:
4:26 am CDT Aug 20, 2026
Forecast Valid:
5am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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