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.

Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed E 9 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 38°F (3°C)
Visibility 4.00 mi
Wind Chill33°F (1°C)
Last update 3 Mar 6:54 am CST
Extended Forecast for

3 Miles NE Troy MO

  • Today

    Today: Showers and possibly a thunderstorm. Patchy fog before 4pm, then patchy fog after 5pm. High near 54. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%.

    High: 54 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog before 8pm, then patchy fog after 9pm. Low around 46. East wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before 1pm. High near 60. Southeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 90%.

    High: 60 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. Light southwest wind. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly cloudy, with a high near 67. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before noon. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. Patchy fog before 4pm, then patchy fog after 5pm. High near 54. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%.
Tonight
Showers and possibly a thunderstorm. Patchy fog before 8pm, then patchy fog after 9pm. Low around 46. East wind 3 to 6 mph. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before 1pm. High near 60. Southeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. Light southwest wind. Chance of precipitation is 90%.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly cloudy, with a high near 67. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers and thunderstorms before noon. Mostly cloudy, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 47.
Monday
A 20 percent chance of showers. Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Troy MO
 39.01°N 90.96°W (Elev. 499 ft)
Last Update:
4:46 am CST Mar 3, 2026
Forecast Valid:
6am CST Mar 3, 2026-6pm CDT Mar 9, 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