Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

47°F

8°C

Humidity 44%
Wind Speed E 8 mph
Barometer 30.36 in (1028.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 24 Mar 12:54 am CDT
Extended Forecast for

Weldon Spring MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. East wind 5 to 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Southeast wind 6 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Southeast wind 5 to 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. South wind 5 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am.  Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Chance
    T-storms then
    Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. East wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 64. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 79. South wind 5 to 11 mph.
Wednesday Night
Mostly clear, with a low around 64. South wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 43. Chance of precipitation is 80%.
Friday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 53.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.65°W (Elev. 584 ft)
1:25 am CDT Mar 24, 2026
1am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database