Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fog/Mist
48°F
9°C
| Humidity | 96% |
| Wind Speed | NW 3 mph |
| Barometer | 29.99 in (1015.6 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 2.00 mi |
| Last update | 5 Mar 8:54 am CST |
Extended Forecast for
Weldon Spring MO
Today
High: 67 °F
Patchy Fog
then Mostly
CloudyTonight
Low: 55 °F
Slight Chance
T-storms then
Chance
ShowersFriday
High: 81 °F
Slight Chance
ShowersFriday Night
Low: 56 °F
Chance
T-storms then
ShowersSaturday
High: 66 °F
Chance
Showers then
Partly SunnySaturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 77 °F
Sunny
Detailed Forecast
Today
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. Light and variable wind becoming west around 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 55. Calm wind becoming southeast 5 to 9 mph in the evening.
Friday
A slight chance of showers before 9am, then a slight chance of showers after noon. Partly sunny, with a high near 81. South wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before noon. Mostly cloudy, with a high near 66. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 59.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Weldon Spring MO
38.72°N 90.65°W (Elev. 584 ft)
38.72°N 90.65°W (Elev. 584 ft)
8:41 am CST Mar 5, 2026
9am CST Mar 5, 2026-6pm CDT Mar 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
