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.

Overcast and Breezy

68°F

20°C

Humidity 87%
Wind Speed NW 22 G 32 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Oct 9:54 pm CDT
Extended Forecast for

5 Miles NE Troy MO

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Cloudy, with a low around 47. Northwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers between 3pm and 4pm. Increasing clouds, with a high near 54. Northwest wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Isolated
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 5 to 13 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly before midnight. Cloudy, with a low around 47. Northwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
Isolated showers between 3pm and 4pm. Increasing clouds, with a high near 54. Northwest wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 5 to 13 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 60. Light and variable wind.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Troy MO
 39.01°N 90.93°W (Elev. 499 ft)
Last Update:
10:26 pm CDT Oct 15, 2026
Forecast Valid:
10pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation