Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 31, 11:00 AM CDT until July 31, 07:00 PM CDT

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Partly Cloudy

89°F

32°C

Humidity	55%
Wind Speed	Vrbl 3 mph
Barometer	30.06 in (1018.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	31 Jul 10:53 am CDT

More Information:

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

Extended Forecast for

Destrehan LA

Heat Advisory until July 31, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 31, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
Today
High: 91 °F
T-storms
Likely
Tonight
Low: 78 °F
T-storms
Likely then
Slight Chance
T-storms
Friday
High: 94 °F
Chance
T-storms then
T-storms
Friday Night
Low: 78 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 93 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 78 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 93 °F
Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 78 °F
Slight Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly between 2pm and 4pm. Mostly sunny, with a steady temperature around 91. Heat index values as high as 109. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 9pm, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 78. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 94. Heat index values as high as 108. Northwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 78. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. North wind around 5 mph. Chance of precipitation is 70%.

Saturday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Northwest wind around 5 mph becoming calm in the evening.

Sunday

Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 93. North wind around 5 mph. Chance of precipitation is 60%.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 78. Northwest wind around 5 mph becoming calm.

Monday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the morning.

Monday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.