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.

Fair

75°F

24°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Oct 7:54 pm CDT
Extended Forecast for

Weldon Spring Heights MO

  • Tonight

    Tonight: Areas of fog after 4am. Otherwise, partly cloudy, with a low around 61. Light and variable wind becoming southeast around 5 mph in the evening.

    Low: 61 °F

    Partly Cloudy
    then Areas
    Fog

  • Columbus Day

    Columbus Day: Sunny, with a high near 92. Southwest wind 6 to 11 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind 6 to 8 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Areas of fog after 4am. Otherwise, partly cloudy, with a low around 61. Light and variable wind becoming southeast around 5 mph in the evening.
Columbus Day
Sunny, with a high near 92. Southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 91. Southwest wind 6 to 8 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.
Wednesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 81. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 65. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring Heights MO
 38.7°N 90.68°W (Elev. 591 ft)
Last Update:
5:41 pm CDT Oct 11, 2026
Forecast Valid:
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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