Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Mostly Cloudy
89°F
32°C
| Humidity | 57% |
| Wind Speed | N 13 mph |
| Barometer | 29.95 in (1012.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 96°F (36°C) |
| Last update | 19 Aug 5:51 pm CDT |
Extended Forecast for
Des Peres MO
Heat Advisory August 19, 06:06pm until August 19, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
Tonight
Low: 73 °F
Slight Chance
T-storms then
Partly CloudyWednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 88 °F
Mostly Sunny
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. North wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 87. North wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 67. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 85. Northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Des Peres MO
38.6°N 90.46°W (Elev. 574 ft)
38.6°N 90.46°W (Elev. 574 ft)
4:16 pm CDT Aug 19, 2025
6pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
Additional Resources
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Hourly Weather Forecast
