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 Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

86°F

30°C

Humidity	70%
Wind Speed	SE 6 mph
Barometer	30.02 in (1015.1 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	14 Aug 11:51 pm CDT

More Information:

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

Extended Forecast for

2 Miles ESE Saint Louis MO

Extreme Heat Warning August 15, 12:14am until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 12:14am until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Overnight
Low: 78 °F
Partly Cloudy
Saturday
High: 97 °F
Slight Chance
T-storms then
Mostly Sunny
Saturday Night
Low: 78 °F
Mostly Clear
Sunday
High: 95 °F
Partly Sunny
Sunday Night
Low: 73 °F
Chance
T-storms
Monday
High: 88 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 70 °F
Partly Cloudy
Tuesday
High: 91 °F
Mostly Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 78. Southeast wind around 5 mph.

Saturday

A slight chance of showers and thunderstorms between 8am and 9am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 111. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph after midnight.

Sunday

Partly sunny, with a high near 95. Heat index values as high as 110. Northwest wind 5 to 7 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. North wind around 6 mph. Chance of precipitation is 50%.

Monday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 70.

Tuesday

Mostly sunny, with a high near 91.