Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

26°F

-3°C

Humidity 53%
Wind Speed Calm
Barometer 30.19 in (1023.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 1 Feb 7:54 pm CST
Extended Forecast for

Weldon Spring MO

  • Tonight

    Tonight: Cloudy, with a low around 21. South wind around 5 mph becoming light and variable  in the evening.

    Low: 21 °F

    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Light east wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow.  Mostly cloudy, with a high near 33. Light and variable wind becoming northeast 5 to 7 mph in the morning.

    High: 33 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. Light north wind.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 21. South wind around 5 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 38. Calm wind.
Monday Night
Mostly cloudy, with a low around 25. Light east wind.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 33. Light and variable wind becoming northeast 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 18. Light north wind.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.65°W (Elev. 584 ft)
6:46 pm CST Feb 1, 2026
8pm CST Feb 1, 2026-6pm CST Feb 8, 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