National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Current conditions at

New Orleans Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

A Few Clouds

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 28 Jun 6:55 am CDT
Extended Forecast for

Port Sulphur LA

  • Today

    Today: Showers and thunderstorms likely, mainly between 1pm and 2pm. Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 77. West wind around 5 mph. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. West wind 5 to 10 mph.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 1pm and 2pm. Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 5 mph.
Monday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 5 mph.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 77. West wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. West wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 89. West wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.48°N 89.69°W
Last Update:
6:21 am CDT Jun 28, 2025
Forecast Valid:
7am CDT Jun 28, 2025-6pm CDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation