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.

Thunderstorm in Vicinity

83°F

28°C

Humidity 65%
Wind Speed SW 14 mph
Barometer 29.55 in (999.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Jun 10:54 pm CDT
Extended Forecast for

Weldon Spring Heights MO

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 67. West wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers between 3pm and 4pm. Mostly sunny, with a high near 79. Northwest wind 3 to 6 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Light north wind.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 67. West wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers between 3pm and 4pm. Mostly sunny, with a high near 79. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 59. Light north wind.
Juneteenth
Mostly sunny, with a high near 83. Calm wind.
Friday Night
Partly cloudy, with a low around 64. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring Heights MO
 38.7°N 90.71°W (Elev. 597 ft)
Last Update:
10:31 pm CDT Jun 17, 2026
Forecast Valid:
11pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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