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

88°F

31°C

Humidity	68%
Wind Speed	Calm
Barometer	29.97 in (1014.0 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	14 Aug 7:54 pm CDT

More Information:

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

Extended Forecast for

Weldon Spring MOSimilar City Names

Extreme Heat Warning August 14, 08:36pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 14, 08:36pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Tonight
Low: 77 °F
Partly Cloudy
Saturday
High: 97 °F
Slight Chance
T-storms then
Sunny
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Chance
T-storms
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 89 °F
Mostly Sunny

Detailed Forecast

Tonight

Partly cloudy, with a low around 77. Calm wind becoming southeast around 5 mph in the evening.

Saturday

A 20 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind around 6 mph.

Saturday Night

Mostly clear, with a low around 75. Calm wind becoming southwest around 6 mph after midnight.

Sunday

Mostly sunny, with a high near 94. Heat index values as high as 106. Northwest wind around 6 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. North wind 3 to 5 mph. Chance of precipitation is 50%.

Monday

Mostly sunny, with a high near 86.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

Mostly sunny, with a high near 89.