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

86°F

30°C

Humidity	72%
Wind Speed	S 10 mph
Barometer	30.06 in (1016.9 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	15 Aug 12:54 pm CDT

More Information:

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

Extended Forecast for

Dardenne Prairie MO

Extreme Heat Warning August 15, 01:38pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 01:38pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
This Afternoon
High: 93 °F
Mostly Sunny
Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 70 °F
Chance
T-storms
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 93. Heat index values as high as 107. Southwest wind around 6 mph.

Tonight

Partly cloudy, with a low around 75. Calm wind becoming west around 5 mph after midnight.

Sunday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Light and variable wind becoming northwest 5 to 7 mph in the morning.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 70. Northwest wind 3 to 6 mph.

Monday

Mostly sunny, with a high near 85. North wind 3 to 5 mph.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 89.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

Wednesday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 88.