STL - Saint Louis, St Louis Lambert International Airport Current Conditions

Partly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.

Mostly sunny. Highs in the mid 90s. South winds 5 to 10 mph.

Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph.

Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph.

Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 105.

A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Mostly sunny. A slight chance of showers in the morning. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.