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.

Mostly Cloudy

82°F

28°C

Humidity 63%
Wind Speed SW 9 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Jun 5:54 pm CDT
Extended Forecast for

5 Miles NE Troy MO

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Calm wind.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 67. Calm wind. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 81. Light and variable wind. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Calm wind.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Calm wind. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 67. Calm wind. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 81. Light and variable wind. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 97.
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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:
5:41 pm CDT Jun 24, 2026
Forecast Valid:
5pm CDT Jun 24, 2026-6pm CDT Jul 1, 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