Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair and Breezy

80°F

27°C

Humidity 49%
Wind Speed S 23 G 31 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Mar 2:54 pm CST
Extended Forecast for

4 Miles SSW Hardin IL

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 5pm.  Partly sunny, with a high near 80. South wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 80 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am.  Low around 59. South wind 11 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain and thunderstorms, mainly before 10am.  Temperature falling to around 53 by 4pm. Southwest wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 80%.

    High: 62 °F

    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 36. West wind 5 to 10 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight.  Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon.  High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Chance Rain
    then Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 5pm. Partly sunny, with a high near 80. South wind 11 to 14 mph, with gusts as high as 26 mph.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 59. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Saturday
Rain and thunderstorms, mainly before 10am. Temperature falling to around 53 by 4pm. Southwest wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. West wind 5 to 10 mph.
Sunday
Sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 58.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 78. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly 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)
2:41 pm CST Mar 6, 2026
3pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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