Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.86 in (1010.8 mb)
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Last update 28 Jun 12:54 am CDT
Extended Forecast for

5 Miles NE Moscow Mills MO

Heat Advisory June 28, 12:00pm until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, sunny, with a high near 93. Heat index values as high as 109. South wind 3 to 8 mph.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 94. Heat index values as high as 107. South wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 7 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 109. South wind 3 to 8 mph.
Sunday Night
Increasing clouds, with a low around 74. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 94. Heat index values as high as 107. South wind 5 to 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 7 mph.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 74.
Independence Day
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Moscow Mills MO
 39.01°N 90.87°W (Elev. 587 ft)
1:21 am CDT Jun 28, 2026
1am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database