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.

Overcast

25°F

-4°C

Humidity 58%
Wind Speed W 15 G 25 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 16 Mar 7:54 pm CDT
Extended Forecast for

4 Miles SW Weldon Spring Heights MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 65. South wind around 8 mph becoming west in the afternoon.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Increasing clouds, with a high near 37. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 1am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind around 8 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45. Calm wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Weldon Spring Heights MO
 38.68°N 90.74°W (Elev. 597 ft)
Last Update:
5:31 pm CDT Mar 16, 2026
Forecast Valid:
8pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation