


Hazardous Weather Conditions

Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.
Partly Cloudy
85°F
29°C
Humidity | 70% |
Wind Speed | S 9 mph |
Barometer | 30.03 in (1015.7 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 93°F (34°C) |
Last update | 18 Jul 6:51 pm CDT |
Detailed forecast for
St. Louis County
Tonight
Mostly cloudy with scattered showers and thunderstorms. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 30 percent.
Saturday
Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106 in the afternoon.
Saturday Night
A slight chance of thunderstorms in the evening. Mostly clear with a slight chance of showers. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104 early in the evening.
Sunday
Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109.
Sunday Night
Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 40 percent. Heat index values up to 107 early in the evening.
Monday And Monday Night
Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110.
Tuesday
Sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.
Tuesday Night Through Friday
Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...