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

42°F

6°C

Humidity 58%
Wind Speed E 14 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Mar 8:54 am CDT
Extended Forecast for

8 Miles ENE Cave MO

  • Today

    Today: Mostly sunny, with a high near 63. Southeast wind 9 to 11 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southeast wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 66. South wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

    High: 66 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow. Low around 17. Blustery, with a northwest wind 20 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Blustery.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph.

    High: 25 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. Southeast wind 9 to 11 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 53. Southeast wind 9 to 14 mph, with gusts as high as 28 mph.
Sunday
Rain, mainly after 1pm. High near 66. South wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow. Low around 17. Blustery, with a northwest wind 20 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A chance of snow before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Cave MO
 39.08°N 90.92°W (Elev. 699 ft)
Last Update:
7:31 am CDT Mar 14, 2026
Forecast Valid:
9am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation