Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

85°F

29°C

Humidity	71%
Wind Speed	NW 6 mph
Barometer	30.10 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	15 Jul 9:15 am CDT

More Information:

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

Extended Forecast for

Grand Isle LA

Today
High: 89 °F
Chance
T-storms
Tonight
Low: 82 °F
Mostly Clear
then Chance
Showers
Wednesday
High: 90 °F
Showers
Likely then
T-storms
Likely
Wednesday Night
Low: 79 °F
T-storms
Likely then
T-storms
Thursday
High: 86 °F
T-storms
Thursday Night
Low: 81 °F
Showers
Friday
High: 87 °F
T-storms
Friday Night
Low: 82 °F
Chance
T-storms then
Showers
Likely
Saturday
High: 87 °F
T-storms

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny, with a high near 89. North wind 5 to 10 mph becoming southwest in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly clear, with a low around 82. West wind 5 to 10 mph.

Wednesday

A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 90. Northwest wind 5 to 10 mph becoming southeast 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.

Wednesday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 79. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%.

Thursday

Showers and thunderstorms before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then showers and thunderstorms after 1pm. High near 86. North wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 100%.

Thursday Night

Showers and possibly a thunderstorm. Low around 81. Southwest wind around 15 mph. Chance of precipitation is 100%.

Friday

Showers and possibly a thunderstorm. High near 87. Southwest wind around 15 mph. Chance of precipitation is 90%.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 82. South wind 10 to 15 mph. Chance of precipitation is 60%.

Saturday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph.

Saturday Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 83. South wind around 5 mph.

Sunday

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

Sunday Night

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

Monday

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