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.

Fair

64°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1017.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 3 Aug 11:54 pm CDT
Extended Forecast for

Weldon Spring MOSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light east wind.

    High: 83 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light east wind.
Tuesday Night
Mostly clear, with a low around 67. Light southeast wind.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MOSimilar City Names
 38.72°N 90.65°W (Elev. 584 ft)
Last Update:
10:21 pm CDT Aug 3, 2025
Forecast Valid:
12am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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Additional Resources

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Chance of Precipitation