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.

Fair

70°F

21°C

Humidity 90%
Wind Speed W 6 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 10:54 pm CDT
Extended Forecast for

2 Miles S Silex MO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. West wind 5 to 8 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Northwest wind around 8 mph.

    High: 84 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. West wind around 6 mph becoming light and variable after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. South wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. West wind 5 to 8 mph.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 65. West wind around 6 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 90. South wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 74. South wind around 8 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 94.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Silex MO
 39.08°N 91.04°W (Elev. 600 ft)
Last Update:
10:36 pm CDT Jun 18, 2025
Forecast Valid:
11pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation