Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 16, 09:00 PM CDT

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

84°F

29°C

Humidity	74%
Wind Speed	W 9 mph
Barometer	30.04 in (1015.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	16 Aug 12:51 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Webster Groves MO

Extreme Heat Warning August 16, 12:54pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 16, 12:54pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
This Afternoon
High: 94 °F
Partly Sunny
Tonight
Low: 72 °F
T-storms
Likely
Monday
High: 85 °F
Decreasing
Clouds
Monday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 73 °F
Partly Cloudy
then Chance
T-storms
Wednesday
High: 89 °F
Chance
Showers
Wednesday Night
Low: 70 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Partly sunny, with a high near 94. Heat index values as high as 109. West wind around 6 mph.

Tonight

Showers and thunderstorms likely, mainly before midnight. Increasing clouds, with a low around 72. Northwest wind 3 to 6 mph. Chance of precipitation is 70%.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 85. North wind 5 to 7 mph.

Monday Night

Partly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 91. Calm wind.

Tuesday Night

A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Wednesday

A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Thursday

A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.

Thursday Night

A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Mostly sunny, with a high near 86.