Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 15, 10:00 AM CDT until July 15, 07:00 PM CDT

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

77°F

25°C

Humidity	90%
Wind Speed	Calm
Barometer	30.08 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	14 Jul 10:55 pm CDT

More Information:

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

Extended Forecast for

3 Miles WNW Larose LA

Heat Advisory July 15, 10:00am until July 15, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 78 °F
Clear
Tuesday
High: 91 °F
Chance
T-storms
Tuesday Night
Low: 77 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 91 °F
Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 75 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 86 °F
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms then
Showers
Friday
High: 86 °F
Showers then
T-storms
Friday Night
Low: 76 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Clear, with a steady temperature around 78. Calm wind.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly between noon and 5pm. Increasing clouds, with a high near 91. Calm wind becoming northwest around 5 mph.

Tuesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Calm wind becoming northwest around 5 mph.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Increasing clouds, with a high near 91. Northwest wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Calm wind becoming north around 5 mph. Chance of precipitation is 70%.

Thursday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. North wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%.

Thursday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 75. South wind around 5 mph. Chance of precipitation is 80%.

Friday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 100%.

Friday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind 5 to 10 mph.

Saturday

Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southwest wind around 5 mph.

Saturday Night

Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

Sunday

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

Sunday Night

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

Monday

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