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

30°F

-1°C

Humidity 49%
Wind Speed NW 14 G 21 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 14 Jan 5:54 pm CST
Extended Forecast for

4 Miles ENE Cave MO

  • Tonight

    Tonight: Clear, with a low around 16. Northwest wind 6 to 11 mph, with gusts as high as 28 mph.

    Low: 16 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 35. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 35 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of snow before midnight, then a slight chance of rain between midnight and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 17. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 16. Northwest wind 6 to 11 mph, with gusts as high as 28 mph.
Thursday
Increasing clouds, with a high near 35. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
A chance of snow before midnight, then a slight chance of rain between midnight and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 29 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 17. West wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Cave MO
 39.04°N 90.98°W (Elev. 636 ft)
Last Update:
4:51 pm CST Jan 14, 2026
Forecast Valid:
6pm CST Jan 14, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation