National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 12:54 am CDT
Extended Forecast for

4 Miles W Foley MO

  • Overnight

    Overnight: Mostly clear, with a low around 65. Light south wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Heat index values as high as 100. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

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

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Light south wind.
Friday
Sunny, with a high near 91. Heat index values as high as 100. South wind 5 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 75. South wind around 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Foley MO
 39.06°N 90.81°W (Elev. 600 ft)
Last Update:
10:36 pm CDT Jun 19, 2025
Forecast Valid:
1am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation