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

81°F

27°C

Humidity	77%
Wind Speed	SE 7 mph
Barometer	30.11 in (1018.7 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	15 Aug 9:54 am CDT

More Information:

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

Extended Forecast for

2 Miles N Cottleville MO

Extreme Heat Warning August 15, 10:11am until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 10:11am until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Today
High: 93 °F
Chance
T-storms then
Mostly Sunny
Tonight
Low: 77 °F
Increasing
Clouds
Sunday
High: 93 °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: 90 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 93. Heat index values as high as 107. East wind around 6 mph becoming southwest in the afternoon.

Tonight

Increasing clouds, with a low around 77. Light and variable wind.

Sunday

Partly sunny, with a high near 93. Heat index values as high as 109. Northwest wind around 6 mph.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 3 to 6 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 86. North wind 3 to 5 mph.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

Sunny, with a high near 90.