


Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
77°F
25°C
Humidity | 48% |
Wind Speed | NE 8 mph |
Barometer | 30.14 in (1020.2 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 31 Aug 6:54 pm CDT |
Extended Forecast for
Ballwin MO
Tonight
Low: 61 °F
Mostly Cloudy
Labor Day
High: 79 °F
Partly Sunny
Monday Night
Low: 62 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday
High: 79 °F
Slight Chance
ShowersTuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 54 °F
Chance
ShowersThursday
High: 73 °F
Mostly Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 61. East wind around 6 mph becoming calm in the evening.
Labor Day
Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Light northeast wind.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79. Light north wind.
Tuesday Night
Mostly clear, with a low around 60. Calm wind.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ballwin MO
38.61°N 90.54°W (Elev. 597 ft)
38.61°N 90.54°W (Elev. 597 ft)
5:41 pm CDT Aug 31, 2025
7pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025