National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 97%
Wind Speed Calm
Barometer 30.05 in (1016.9 mb)
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Last update 15 Oct 2:54 am CDT
Extended Forecast for

4 Miles SSW Weldon Spring Heights MO

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog between 7am and 11am. High near 80. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 80 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Increasing clouds, with a low around 46. Northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 56. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. North wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Thursday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog between 7am and 11am. High near 80. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Increasing clouds, with a low around 46. Northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 56. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 38. North wind 6 to 13 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Weldon Spring Heights MO
 38.65°N 90.71°W (Elev. 446 ft)
Last Update:
1:26 am CDT Oct 15, 2026
Forecast Valid:
3am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation