
Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East
Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >
Hazardous Weather Conditions
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
92°F
33°C
| Humidity | 52% |
| Wind Speed | W 10 mph |
| Barometer | 30.01 in (1014.6 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 4 Sep 10:51 am CDT |
Saint Charles MO
NOW until 8:00pm Sat

Extreme Heat Warning
Today

High: 99 °F
Hot
Tonight

Low: 76 °F
Mostly Clear
Saturday

High: 99 °F
Hot
Saturday Night

Low: 74 °F
Mostly Clear
Sunday

High: 93 °F
Sunny
Sunday Night

Low: 70 °F
Partly Cloudy
Labor Day

High: 92 °F
Sunny
Monday Night

Low: 70 °F
Mostly Clear
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
38.78°N 90.54°W (Elev. 515 ft)



