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

82°F

28°C

Humidity 41%
Wind Speed Vrbl 5 mph
Barometer 29.65 in (1003.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Mar 11:54 am CDT
Extended Forecast for

Kane IL

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 85. West wind 9 to 18 mph becoming north. Winds could gust as high as 26 mph.

    High: 85 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.

    Low: 34 °F

    Gradual
    Clearing and
    Breezy then
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. Northeast wind 8 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. South wind 6 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 85. West wind 9 to 18 mph becoming north. Winds could gust as high as 26 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.
Monday
Mostly sunny, with a high near 54. Northeast wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 36. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 64. South wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 57.
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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:
12:11 pm CDT Mar 22, 2026
Forecast Valid:
12pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation