Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Partly Cloudy

70°F

21°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.09 in (1018.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 6 Aug 10:54 pm CDT
Extended Forecast for

5 Miles NNE Troy MO

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 88. Light southwest wind.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 69. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Light southwest wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. Calm wind.
Saturday
Sunny, with a high near 89. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Light south wind.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Troy MO
 39.04°N 90.93°W (Elev. 600 ft)
7:41 pm CDT Aug 6, 2026
11pm CDT Aug 6, 2026-6pm CDT Aug 13, 2026
 
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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