Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
82°F
28°C
| Humidity | 56% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.04 in (1016.0 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 19 Jun 11:51 am CDT |
Extended Forecast for
Florissant MO
Extreme Heat Watch June 21, 12:00pm until June 24, 09:00pm
Juneteenth
High: 86 °F
Sunny
Tonight
Low: 69 °F
Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 78 °F
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 78 °F
Mostly Clear
Sunday
High: 97 °F
Hot
Sunday Night
Low: 78 °F
Mostly Clear
Monday
High: 97 °F
Hot
Detailed Forecast
Juneteenth
Sunny, with a high near 86. West wind around 8 mph.
Tonight
Clear, with a low around 69. West wind around 6 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 93. South wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 97. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 78.
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 95.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Florissant MO
38.8°N 90.34°W (Elev. 499 ft)
38.8°N 90.34°W (Elev. 499 ft)
11:52 am CDT Jun 19, 2025
11am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
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