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

52°F

11°C

Humidity 50%
Wind Speed NE 13 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 19 Apr 11:54 pm CDT
Extended Forecast for

Weldon Spring Heights MO

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the morning.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Southwest wind 6 to 9 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 51. Southeast wind around 7 mph becoming southwest after midnight.
Tuesday
Sunny, with a high near 79. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring Heights MO
 38.7°N 90.68°W (Elev. 591 ft)
Last Update:
9:21 pm CDT Apr 19, 2026
Forecast Valid:
12am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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