Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed NW 5 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 5 Jul 7:54 am CDT
Extended Forecast for

3 Miles WNW Winfield MO

  • Today

    Today: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 86. North wind 3 to 7 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 68. North wind 3 to 6 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. North wind 6 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light north wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. North wind 3 to 7 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. North wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 85. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 66. Northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Light north wind.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Winfield MO
 39.01°N 90.81°W (Elev. 600 ft)
6:06 am CDT Jul 5, 2026
8am CDT Jul 5, 2026-6pm CDT Jul 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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