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

71°F

22°C

Humidity 63%
Wind Speed S 6 mph
Barometer 29.77 in (1007.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Oct 11:54 pm CDT
Extended Forecast for

Weldon Spring Heights MO

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 74. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 48. Breezy, with a southwest wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 48 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Northwest wind 13 to 18 mph, with gusts as high as 32 mph.

    High: 63 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. West wind around 5 mph becoming light and variable.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 7 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 74. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 48. Breezy, with a southwest wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Northwest wind 13 to 18 mph, with gusts as high as 32 mph.
Sunday Night
Clear, with a low around 45. West wind around 5 mph becoming light and variable.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 65.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
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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:
12:41 am CDT Oct 18, 2025
Forecast Valid:
12am CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
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Additional Resources

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Chance of Precipitation