Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Mostly Cloudy
85°F
29°C
| Humidity | 61% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.02 in (1015.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 14 Aug 12:51 pm CDT |
Extended Forecast for
Saint Louis MO
This Afternoon
High: 89 °F
Mostly Sunny
Tonight
Low: 72 °F
Mostly Clear
Friday
High: 95 °F
Sunny
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 97 °F
Hot
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 89. Light and variable wind.
Tonight
Mostly clear, with a low around 72. East wind 3 to 5 mph.
Friday
Sunny, with a high near 95. Heat index values as high as 100. South wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 97. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Louis MO
38.64°N 90.23°W (Elev. 538 ft)
38.64°N 90.23°W (Elev. 538 ft)
10:41 am CDT Aug 14, 2025
1pm CDT Aug 14, 2025-6pm CDT Aug 20, 2025
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