National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

89°F

32°C

Humidity 36%
Wind Speed Calm
Barometer 30.01 in (1015.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Sep 11:54 am CDT
Extended Forecast for

Fenton MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 95. Light southeast wind.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms between 10pm and 4am, then isolated showers after 4am. Mostly cloudy, with a low around 66. Light and variable wind becoming west 5 to 7 mph in the evening. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 84 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Light southeast wind.
Tonight
Isolated showers and thunderstorms between 10pm and 4am, then isolated showers after 4am. Mostly cloudy, with a low around 66. Light and variable wind becoming west 5 to 7 mph in the evening. Chance of precipitation is 20%.
Friday
Isolated showers, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Fenton MO
 38.54°N 90.46°W (Elev. 469 ft)
Last Update:
10:21 am CDT Sep 18, 2025
Forecast Valid:
12pm CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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