Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

84°F

29°C

Humidity	68%
Wind Speed	Calm
Barometer	30.15 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	6 Aug 5:55 pm CDT

More Information:

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

Extended Forecast for

Grand Isle LA

Tonight
Low: 81 °F
Chance
T-storms
Thursday
High: 84 °F
Showers
Likely
Thursday Night
Low: 84 °F
Slight Chance
T-storms then
Chance
T-storms
Friday
High: 87 °F
T-storms
Friday Night
Low: 81 °F
Chance
T-storms
Saturday
High: 87 °F
T-storms
Saturday Night
Low: 81 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 87 °F
T-storms
Sunday Night
Low: 82 °F
Chance
T-storms

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 81. Calm wind becoming northwest around 5 mph.

Thursday

A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a steady temperature around 84. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a steady temperature around 84. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 87. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind 5 to 10 mph.

Saturday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 87. East wind around 10 mph. Chance of precipitation is 80%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly clear, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 60%.

Sunday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 87. East wind 5 to 10 mph. Chance of precipitation is 80%.

Sunday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 82. Southeast wind around 5 mph.

Monday

Showers and thunderstorms likely. Sunny, with a high near 88. East wind around 5 mph.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 5 mph.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 88. Southeast wind around 5 mph.

Tuesday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 83. South wind around 5 mph.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind around 5 mph.