Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
16°F
-9°C
| Humidity | 59% |
| Wind Speed | N 9 G 20 mph |
| Barometer | 30.24 in (1025.1 mb) |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 5°F (-15°C) |
| Last update | 17 Mar 6:54 am CDT |
Extended Forecast for
Weldon Spring MO
Today
High: 35 °F
Increasing
CloudsTonight
Low: 32 °F
Chance Snow
then Chance
Rain/SnowWednesday
High: 65 °F
Becoming
SunnyWednesday Night
Low: 44 °F
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 77 °F
Sunny
Friday Night
Low: 50 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 35. Northwest wind 5 to 10 mph becoming south in the afternoon.
Tonight
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 44. Light and variable wind.
Thursday
Mostly sunny, with a high near 74. South wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 57.
Additional Forecasts and Information
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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)
3:31 am CDT Mar 17, 2026
6am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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