Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 21 Aug 1:54 am CDT
Extended Forecast for

Fenton MO

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 69. Calm wind.

    Low: 69 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 64. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind.
Friday Night
Increasing clouds, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Fenton MO
 38.54°N 90.46°W (Elev. 469 ft)
1:26 am CDT Aug 21, 2026
2am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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