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

55°F

13°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.12 in (1019.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 12 May 1:54 am CDT
Extended Forecast for

4 Miles W Kane IL

  • Overnight

    Overnight: Mostly clear, with a low around 50. Southeast wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 55. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46. North wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Southeast wind around 6 mph.
Tuesday
Sunny, with a high near 81. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 55. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 73. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 46. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 73.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Kane IL
 39.18°N 90.41°W (Elev. 548 ft)
Last Update:
1:26 am CDT May 12, 2026
Forecast Valid:
1am CDT May 12, 2026-6pm CDT May 18, 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