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Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
47°F
8°C
| Humidity | 36% |
| Wind Speed | W 16 mph |
| Barometer | 30.07 in (1018.7 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 21 Jan 11:54 am CST |
Extended Forecast for
Weldon Spring MO
This Afternoon

High: 45 °F
Sunny
Tonight

Low: 22 °F
Partly Cloudy
Thursday

High: 38 °F
Partly Sunny
Thursday Night

Low: 7 °F
Mostly Cloudy
Friday

High: 14 °F
Cold
Friday Night

Low: 1 °F
Cloudy
Saturday

High: 12 °F
Chance Snow
Saturday Night
Low: 6 °F
Chance Snow
then Slight
Chance SnowSunday
High: 20 °F
Slight Chance
Snow then
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 45. West wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 22. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Thursday
Partly sunny, with a high near 38. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 7. Light northwest wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 24 mph.
Friday
Mostly cloudy and cold, with a high near 14. North wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
Cloudy, with a low around 1.
Saturday
A 50 percent chance of snow. Cloudy and cold, with a high near 12.
Saturday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6.
Sunday
A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 20.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 9.
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)
10:57 am CST Jan 21, 2026
12pm CST Jan 21, 2026-6pm CST Jan 27, 2026


