Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

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

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

A Few Clouds

84°F

29°C

Humidity	72%
Wind Speed	S 8 mph
Barometer	30.07 in (1017.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	15 Aug 11:54 am CDT

More Information:

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

Extended Forecast for

3 Miles SSE Ellisville MO

Extreme Heat Warning August 15, 12:56pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 12:56pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
This Afternoon
High: 95 °F
Mostly Sunny
Tonight
Low: 76 °F
Partly Cloudy
Sunday
High: 95 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Chance
T-storms
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 95. Heat index values as high as 109. Southwest wind around 5 mph.

Tonight

Partly cloudy, with a low around 76. Light south wind.

Sunday

Mostly sunny, with a high near 95. Heat index values as high as 110. Light and variable wind becoming southwest around 5 mph in the morning.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 71. Northwest wind around 5 mph becoming calm after midnight.

Monday

Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

Sunny, with a high near 91.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

Wednesday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 92. Chance of precipitation is 20%.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.