Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
86°F
30°C
| Humidity | 25% |
| Wind Speed | SW 13 G 20 mph |
| Barometer | 29.88 in (1011.3 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 20 Mar 1:54 pm CDT |
Extended Forecast for
Weldon Spring MO
This Afternoon

High: 86 °F
Sunny
Tonight

Low: 52 °F
Partly Cloudy
Saturday

High: 84 °F
Sunny
Saturday Night

Low: 63 °F
Clear
Sunday

High: 86 °F
Mostly Sunny
Sunday Night

Low: 40 °F
Partly Cloudy
Monday

High: 58 °F
Sunny
Monday Night

Low: 41 °F
Partly Cloudy
Tuesday

High: 62 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 86. West wind 7 to 10 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 63. South wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 86. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of rain. Sunny, with a high near 80.
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)
1:56 pm CDT Mar 20, 2026
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026



