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

13°F

-11°C

Humidity 46%
Wind Speed NW 15 G 24 mph
Barometer 30.37 in (1028.9 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 19 Jan 7:54 am CST
Extended Forecast for

4 Miles E Cave MO

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 20 °F

    Cold

  • Tonight

    Tonight: Increasing clouds, with a low around 12. West wind around 5 mph becoming light and variable.

    Low: 12 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the morning.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. South wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 42. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 12. West wind around 5 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 27. South wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 42. West wind 6 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 20.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 23.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Cave MO
 39.04°N 90.98°W (Elev. 636 ft)
Last Update:
7:47 am CST Jan 19, 2026
Forecast Valid:
7am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation