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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

A Few Clouds

78°F

26°C

Humidity 82%
Wind Speed S 6 mph
Barometer 29.78 in (1007.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jun 8:54 am CDT
Extended Forecast for

3 Miles NE Cave MO

  • Today

    Today: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. Northwest wind around 8 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the morning.

    High: 91 °F

    Sunny

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 6 to 9 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 85. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Cave MO
 39.06°N 91.01°W (Elev. 482 ft)
Last Update:
5:21 am CDT Jun 18, 2025
Forecast Valid:
9am CDT Jun 18, 2025-6pm CDT Jun 24, 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