National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

56°F

13°C

Humidity 97%
Wind Speed W 7 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 May 2:54 am CDT
Extended Forecast for

Weldon Spring Heights MO

Dense Fog Advisory May 9, 03:34am until May 9, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory May 9, 03:34am until May 9, 08:00am

    NOW until 8:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 53 °F

    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 81 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 2am, then isolated showers after 4am. Increasing clouds, with a low around 55. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 55 °F

    Scattered
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 68. North wind 6 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 53. Light southwest wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Scattered showers and thunderstorms before 2am, then isolated showers after 4am. Increasing clouds, with a low around 55. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 68. North wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 51.
Thursday
Sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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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:
3:16 am CDT May 9, 2026
Forecast Valid:
3am CDT May 9, 2026-6pm CDT May 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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