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° N Lon: 90.26° W Elev: 0 ft.

Overcast

82°F

28°C

Humidity	84%
Wind Speed	NW 3 mph
Barometer	30.10 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	1 Aug 11:15 pm CDT

More Information:

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

Detailed forecast for

Lower Lafourche

Tonight

Mostly sunny, then becoming mostly clear this evening, then becoming partly cloudy. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms this evening. A chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. West winds 5 to 10 mph. Chance of rain 50 percent.

Saturday

Showers and thunderstorms. Humid with highs around 90. West winds 5 to 10 mph. Chance of rain 90 percent.

Saturday Night

Showers likely. Thunderstorms likely, mainly in the evening. Humid with lows in the mid 70s. Northwest winds around 5 mph. Chance of rain 70 percent.

Sunday

Showers and thunderstorms. Humid with highs around 90. North winds around 5 mph. Chance of rain 80 percent.

Sunday Night

Mostly cloudy in the evening. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the mid 70s. North winds around 5 mph. Chance of rain 70 percent.

Monday

Showers and thunderstorms. Highs around 90. Chance of rain 80 percent.

Monday Night

A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the mid 70s. Chance of rain 70 percent.

Tuesday

Showers and thunderstorms. Highs in the upper 80s. Chance of rain 90 percent.

Tuesday Night

Partly cloudy in the evening, then clearing. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

Wednesday

Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.

Wednesday Night

Partly cloudy in the evening, then becoming mostly clear. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

Thursday

Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.

Thursday Night

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear with a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent.

Friday

Sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.