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

15°F

-9°C

Humidity 59%
Wind Speed NW 15 G 23 mph
Barometer 30.56 in (1035.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 23 Feb 4:54 am CST
Extended Forecast for

Weldon Spring Heights MO

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 21 mph.

    High: 34 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. South wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Light and variable wind becoming northwest around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 57. South wind 10 to 18 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 53. Light and variable wind becoming northwest around 5 mph.
Wednesday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 40.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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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:
4:56 am CST Feb 23, 2026
Forecast Valid:
5am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation