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.

Partly Cloudy

81°F

27°C

Humidity	79%
Wind Speed	SW 6 mph
Barometer	30.06 in (1016.3 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	16 Aug 7:51 am CDT

More Information:

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

Extended Forecast for

Bellerive MO

Extreme Heat Warning August 16, 08:51am until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 16, 08:51am until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Today
High: 93 °F
Showers then
Slight Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 73 °F
Partly Cloudy
then Chance
T-storms
Wednesday
High: 88 °F
Chance
Showers
Wednesday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. High near 93. Heat index values as high as 106. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 90%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. North wind 5 to 7 mph.

Monday

Mostly sunny, with a high near 86. North wind around 8 mph.

Monday Night

Mostly clear, with a low around 69. North wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 90. Light and variable 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 88.