Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed E 12 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 54°F (12°C)
Visibility 4.00 mi
Wind Chill52°F (11°C)
Last update 1 Apr 11:54 pm CDT
Extended Forecast for

4 Miles SSW Hardin IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Cloudy, with a temperature rising to around 56 by 5am. Southeast wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 14 to 18 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm.  Partly cloudy, with a low around 59. South wind 12 to 17 mph becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 80. South wind 6 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 52. South wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a temperature rising to around 56 by 5am. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 59. South wind 12 to 17 mph becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 80. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 56.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hardin IL
 39.1°N 90.64°W (Elev. 758 ft)
10:31 pm CDT Apr 1, 2026
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database