Severe Thunderstorms in the Southeast U.S. Saturday; Flash Flooding Threat for the Northern Gulf Coast

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast Saturday due to the threat of flash, urban, and riverine flooding. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Thunderstorm Light Drizzle in Vicinity

69°F

21°C

Humidity	85%
Wind Speed	NE 3 mph
Barometer	29.88 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	18 May 6:35 am CDT

More Information:

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

Extended Forecast for

Grand Isle LA

Today
High: 76 °F
Severe
Thunderstorms
then Chance
T-storms
Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 76 °F
Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny

Detailed Forecast

Today

Showers and thunderstorms, mainly before 11am. Some of the storms could be severe and produce heavy rainfall. Steady temperature around 76. North wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Tonight

Partly cloudy, with a low around 75. South wind around 5 mph becoming west after midnight.

Sunday

Sunny, with a high near 84. Northwest wind around 5 mph becoming southeast in the afternoon.

Sunday Night

Clear, with a low around 76. South wind around 5 mph.

Monday

Sunny, with a high near 81. East wind around 5 mph becoming southeast in the afternoon.

Monday Night

Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

Tuesday

Sunny, with a high near 82. Southeast wind around 10 mph.