Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

65°F

18°C

Humidity 90%
Wind Speed Vrbl 3 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Apr 4:54 am CDT
Extended Forecast for

Weldon Spring MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds, with a high near 85. South wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could produce heavy rainfall.  Low around 46. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 100%.

    Low: 46 °F

    Heavy Rain

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. West wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 85. South wind 5 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could produce heavy rainfall. Low around 46. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday
A 40 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 38. West wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 66. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.65°W (Elev. 584 ft)
5:41 am CDT Apr 17, 2026
5am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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