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Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
41°F
5°C
| Humidity | 27% |
| Wind Speed | S 9 mph |
| Barometer | 30.26 in (1025.6 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 20 Jan 2:54 pm CST |
Extended Forecast for
Weldon Spring MO
Tonight

Low: 30 °F
Increasing
CloudsWednesday

High: 42 °F
Becoming
SunnyWednesday Night

Low: 22 °F
Mostly Clear
Thursday

High: 37 °F
Partly Sunny
Thursday Night

Low: 9 °F
Mostly Cloudy
Friday

High: 15 °F
Cold
Friday Night
Low: 2 °F
Mostly Cloudy
then Slight
Chance SnowSaturday

High: 13 °F
Chance Snow
Saturday Night

Low: 7 °F
Chance Snow
Detailed Forecast
Tonight
Increasing clouds, with a low around 30. South wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 42. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 22. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 37. North wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 9. Light north wind increasing to 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Friday
Mostly cloudy and cold, with a high near 15.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2.
Saturday
A 40 percent chance of snow. Cloudy and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 37.
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)
3:15 pm CST Jan 20, 2026
3pm CST Jan 20, 2026-6pm CST Jan 27, 2026


