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.

Partly Cloudy and Windy

37°F

3°C

Humidity 41%
Wind Speed NW 26 G 35 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Jan 1:54 pm CST
Extended Forecast for

4 Miles WSW Foley MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 38. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph.

    High: 38 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 17. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 35. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 35 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of snow before 11pm, then a chance of rain between 11pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 28. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 19.

    Low: 19 °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

Detailed Forecast

This Afternoon
Sunny, with a high near 38. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph.
Tonight
Clear, with a low around 17. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday
Increasing clouds, with a high near 35. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A chance of snow before 11pm, then a chance of rain between 11pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 28. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 19.
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 25.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Foley MO
 39.01°N 90.81°W (Elev. 600 ft)
Last Update:
2:21 pm CST Jan 14, 2026
Forecast Valid:
2pm CST Jan 14, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation