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

68°F

20°C

Humidity 63%
Wind Speed S 8 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 5:54 am CDT
Extended Forecast for

7 Miles NNE Troy MO

  • Today

    Today: A 30 percent chance of rain and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Southwest wind 9 to 17 mph, with gusts as high as 32 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Rain and thunderstorms before 4am, then rain and possibly a thunderstorm, mainly after 4am. Low around 54. Light and variable wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 90%.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 69. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 90%.

    High: 69 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Rain Likely

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 76. South wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.

    High: 76 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.

    High: 80 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of rain and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Southwest wind 9 to 17 mph, with gusts as high as 32 mph.
Tonight
Rain and thunderstorms before 4am, then rain and possibly a thunderstorm, mainly after 4am. Low around 54. Light and variable wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm. High near 69. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 76. South wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Troy MO
 39.06°N 90.9°W (Elev. 738 ft)
Last Update:
5:51 am CDT Mar 31, 2026
Forecast Valid:
6am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation