Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 29.99 in (1014.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Aug 9:54 pm CDT
Extended Forecast for

Fenton MO

Heat Advisory August 18, 10:10pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 10:10pm until August 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 73. North wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the morning.

    High: 88 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Northeast wind 3 to 6 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 75. Light south wind.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. North wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 67. Northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Fenton MO
 38.54°N 90.43°W (Elev. 407 ft)
8:16 pm CDT Aug 18, 2025
10pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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Additional Resources

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