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

62°F

17°C

Humidity 93%
Wind Speed SW 7 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 4 Apr 5:54 am CDT
Extended Forecast for

Weldon Spring MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 66. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 66 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Temperature falling to around 53 by noon. West wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 62 °F⇓

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Northwest wind 7 to 11 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. West wind 3 to 6 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 66. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Temperature falling to around 53 by noon. West wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 59. Northwest wind 7 to 11 mph.
Sunday Night
Clear, with a low around 39. West wind 3 to 6 mph.
Monday
Sunny, with a high near 61.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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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:
4:36 am CDT Apr 4, 2026
Forecast Valid:
5am CDT Apr 4, 2026-6pm CDT Apr 10, 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