Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

69°F

21°C

Humidity 61%
Wind Speed SW 13 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 4:54 am CDT
Extended Forecast for

4 Miles SSW Hardin IL

  • Today

    Today: A 30 percent chance of rain and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 82. Southwest wind 10 to 16 mph, with gusts as high as 32 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am.  Low around 54. Southwest wind 6 to 9 mph becoming north after midnight.  Chance of precipitation is 90%.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 7am.  High near 68. East wind 7 to 9 mph becoming southeast in the afternoon.  Chance of precipitation is 100%.

    High: 68 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then rain likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Southeast wind 9 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Rain Likely

  • Thursday

    Thursday: Rain and possibly a thunderstorm.  High near 75. South wind 14 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%.

    High: 75 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm.  Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am.  Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm.  Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of rain and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Southwest wind 10 to 16 mph, with gusts as high as 32 mph.
Tonight
Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am. Low around 54. Southwest wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 90%.
Wednesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 7am. High near 68. East wind 7 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 100%.
Wednesday Night
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 75. South wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 56. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hardin IL
 39.1°N 90.64°W (Elev. 758 ft)
4:16 am CDT Mar 31, 2026
5am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database