Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Partly Cloudy
65°F
18°C
| Humidity | 90% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 29.89 in (1011.3 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 4:54 am CDT |
Extended Forecast for
Weldon Spring MO
Today
High: 85 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 46 °F
Heavy Rain
Saturday

High: 58 °F
Chance
ShowersSaturday Night

Low: 38 °F
Mostly Clear
Sunday

High: 66 °F
Sunny
Sunday Night

Low: 43 °F
Mostly Clear
Monday

High: 71 °F
Sunny
Monday Night

Low: 51 °F
Mostly Clear
Tuesday

High: 78 °F
Mostly Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 85. South wind 5 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could produce heavy rainfall. Low around 46. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday
A 40 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 38. West wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 66. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT 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)
5:41 am CDT Apr 17, 2026
5am CDT Apr 17, 2026-6pm CDT Apr 23, 2026



