Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. 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 Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Mostly Cloudy

78°F

26°C

Humidity	87%
Wind Speed	NE 7 mph
Barometer	29.97 in (1015.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	30 Jul 6:55 pm CDT

More Information:

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

Extended Forecast for

Chalmette LA

Heat Advisory July 31, 11:00am until July 31, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 82 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 93 °F
Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 80 °F
Chance
T-storms
Friday
High: 94 °F
Chance
T-storms then
T-storms
Friday Night
Low: 79 °F
T-storms
Likely then
Chance
T-storms
Saturday
High: 93 °F
Chance
T-storms then
T-storms
Saturday Night
Low: 79 °F
T-storms
Likely
Sunday
High: 92 °F
T-storms
Likely
Sunday Night
Low: 77 °F
Chance
T-storms

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, with a steady temperature around 82. Southwest wind around 5 mph.

Thursday

Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 108. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 80. Southwest wind around 5 mph.

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 109. West wind around 5 mph. Chance of precipitation is 80%.

Friday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 79. Northwest wind around 5 mph. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 93. Northwest wind around 5 mph. Chance of precipitation is 80%.

Saturday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 79. Northwest wind around 5 mph becoming north after midnight. Chance of precipitation is 60%.

Sunday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. North wind around 5 mph. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 77. North wind around 5 mph becoming calm.

Monday

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

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 91. South wind around 5 mph becoming north in the morning.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

Wednesday

A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the morning.