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.

Light Rain

56°F

13°C

Humidity 93%
Wind Speed E 7 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 54°F (12°C)
Visibility 8.00 mi
Last update 1 Apr 5:54 am CDT
Extended Forecast for

Weldon Spring MO

  • Today

    Today: Showers and possibly a thunderstorm. High near 67. North wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 62. East wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    High: 77 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 67. North wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 62. East wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 35.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.65°W (Elev. 584 ft)
Last Update:
5:46 am CDT Apr 1, 2026
Forecast Valid:
6am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation