Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

81°F

27°C

Humidity	82%
Wind Speed	NE 3 mph
Barometer	30.07 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	13 Jul 6:35 pm CDT

More Information:

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

Extended Forecast for

11 Miles SSE Lafitte LA

Tonight
Low: 77 °F
Chance
T-storms then
Mostly Clear
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 92 °F
Chance
T-storms
Tuesday Night
Low: 77 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 91 °F
T-storms
Likely
Wednesday Night
Low: 75 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 88 °F
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

Monday

A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northwest wind around 5 mph becoming calm in the morning.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Northwest wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Thursday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 88. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 90%.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm.

Friday

Showers and possibly a thunderstorm. Partly sunny, with a high near 87. West wind around 5 mph becoming south in the afternoon.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

Saturday

Showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

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

Sunday

Showers and thunderstorms likely. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.