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.

Thunderstorm Heavy Rain in Vicinity

75°F

24°C

Humidity	90%
Wind Speed	N 9 mph
Barometer	30.12 in
Dewpoint	72°F (22°C)
Visibility	1.25 mi
Last update	13 Jul 2:55 pm CDT

More Information:

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

Extended Forecast for

South Lafourche Airport LA

This Afternoon
High: 87 °F
T-storms
Likely
Tonight
Low: 75 °F
Chance
T-storms then
Mostly Clear
Monday
High: 91 °F
T-storms
Likely
Monday Night
Low: 75 °F
Chance
T-storms then
Mostly Clear
Tuesday
High: 93 °F
Chance
T-storms
Tuesday Night
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 93 °F
T-storms
Likely
Wednesday Night
Low: 74 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 89 °F
T-storms

Detailed Forecast

This Afternoon

Showers and thunderstorms likely. Mostly sunny, with a steady temperature around 87. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Calm wind.

Monday

Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Calm wind.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. 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 74. Calm wind. Chance of precipitation is 60%.

Thursday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. Calm wind.

Friday

Showers and possibly a thunderstorm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.

Saturday

Showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.

Sunday

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