Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
37°F
3°C
| Humidity | 67% |
| Wind Speed | W 7 mph |
| Barometer | 30.32 in (1027.4 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 12 Mar 8:54 am CDT |
Extended Forecast for
Weldon Spring MO
Today

High: 56 °F
Sunny
Tonight
Low: 44 °F
Mostly Clear
then Partly
Cloudy and
BreezyFriday

High: 61 °F
Mostly Sunny
Friday Night

Low: 36 °F
Mostly Cloudy
Saturday

High: 64 °F
Partly Sunny
Saturday Night
Low: 53 °F
Mostly Cloudy
then Slight
Chance RainSunday

High: 67 °F
Rain and
BreezySunday Night

Low: 21 °F
Rain/Snow
Likely and
BlusteryMonday

High: 33 °F
Mostly Sunny
and Breezy
Detailed Forecast
Today
Sunny, with a high near 56. West wind 6 to 11 mph becoming southwest in the afternoon.
Tonight
Increasing clouds, with a low around 44. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly sunny, with a high near 61. West wind 15 to 17 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 64. East wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 53.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 67. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 60.
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)
5:56 am CDT Mar 12, 2026
9am CDT Mar 12, 2026-6pm CDT Mar 18, 2026



