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.

Fair

84°F

29°C

Humidity	74%
Wind Speed	S 7 mph
Barometer	30.08 in (1017.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	15 Aug 10:54 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, 10:57am until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 10:57am until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Today
High: 95 °F
Mostly Sunny
Tonight
Low: 77 °F
Mostly Clear
Sunday
High: 95 °F
Partly Sunny
Sunday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
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

Today

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

Tonight

Mostly clear, with a low around 77. Light southwest wind.

Sunday

Partly sunny, with a high near 95. Heat index values as high as 112. Northwest wind 3 to 5 mph.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

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.