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

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 29 Sep 6:54 am CDT
Extended Forecast for

Weldon Spring Heights MO

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming south around 6 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 89. South wind 5 to 8 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 86. South wind 6 to 8 mph.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming south around 6 mph in the morning.
Tonight
Increasing clouds, with a low around 64. South wind 3 to 5 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 89. South wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 70. South wind around 7 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 86. South wind 6 to 8 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 69.
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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:
5:46 am CDT Sep 29, 2026
Forecast Valid:
7am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
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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