Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

88°F

31°C

Humidity	68%
Wind Speed	N 8 mph
Barometer	29.96 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	3 Aug 12:35 pm CDT

More Information:

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

Extended Forecast for

Galliano LA

This Afternoon
High: 88 °F
Heavy Rain
Tonight
Low: 74 °F
Chance
T-storms
Monday
High: 91 °F
Chance
T-storms then
Heavy Rain
Monday Night
Low: 76 °F
Chance
T-storms then
Showers
Likely
Tuesday
High: 90 °F
T-storms
Tuesday Night
Low: 75 °F
T-storms
Likely
Wednesday
High: 90 °F
T-storms
Wednesday Night
Low: 75 °F
Chance
T-storms
Thursday
High: 91 °F
T-storms

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 3pm. Some of the storms could produce heavy rainfall. Partly sunny, with a steady temperature around 88. North wind around 5 mph becoming south. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Calm wind. Chance of precipitation is 40%.

Monday

Showers and thunderstorms likely, mainly between 1pm and 4pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 91. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%.

Tuesday

Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

Tuesday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Wednesday

Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am. High near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.

Thursday

Showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northwest around 5 mph.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.

Friday

Showers and thunderstorms likely. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph.

Friday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 75. Calm wind.

Saturday

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