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

72°F

22°C

Humidity 33%
Wind Speed NA
Barometer 30.05 in (1017.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 14 May 1:54 pm CDT
Extended Forecast for

7 Miles NNE Troy MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. South wind around 8 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South wind around 7 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Partly sunny, with a high near 84. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 75. South wind around 8 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind 9 to 11 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South wind around 7 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Partly sunny, with a high near 84. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 90.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Troy MO
 39.06°N 90.9°W (Elev. 738 ft)
Last Update:
1:26 pm CDT May 14, 2026
Forecast Valid:
2pm CDT May 14, 2026-6pm CDT May 20, 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