South Pass, Mississippi River, LA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Aug 5
Showers Early
Close Hourly
-º / 78º 50% SSW 8 mph 74%
4pm Mostly Sunny 86º 15% S 8 mph 63%
5pm Showers 86º 37% SSW 8 mph 64%
6pm Few Showers 86º 31% SSW 8 mph 65%
7pm Partly Cloudy 84º 11% SW 7 mph 74%
8pm Mostly Clear 83º 7% SSW 5 mph 76%
9pm Clear 83º 2% S 3 mph 76%
10pm Mostly Clear 83º 2% S 3 mph 77%
11pm Clear 83º 4% S 3 mph 77%
Thu
Aug 6
AM Showers
View Hourly
86º / 80º 40% ESE 7 mph 71%
12am Mostly Clear 83º 5% S 4 mph 77%
1am Mostly Clear 83º 5% S 4 mph 77%
2am Mostly Clear 82º 14% SSW 3 mph 77%
3am Partly Cloudy 82º 9% SSW 4 mph 77%
4am Partly Cloudy 82º 8% SSW 3 mph 76%
5am Partly Cloudy 82º 5% SSW 3 mph 76%
6am Partly Cloudy 82º 14% S 1 mph 76%
7am Partly Cloudy 82º 16% S 1 mph 74%
8am Partly Cloudy 84º 9% SW 3 mph 72%
9am Few Showers 84º 34% E 4 mph 74%
10am Showers 84º 37% E 4 mph 73%
11am Showers 83º 39% E 4 mph 74%
12pm Showers 84º 40% E 4 mph 73%
1pm Few Showers 85º 31% E 6 mph 70%
2pm Mostly Cloudy 85º 12% ESE 7 mph 69%
3pm Partly Cloudy 85º 3% ESE 7 mph 67%
4pm Partly Cloudy 85º 3% ESE 6 mph 66%
5pm Partly Cloudy 85º 3% ESE 7 mph 68%
6pm Partly Cloudy 85º 3% SE 7 mph 67%
7pm Partly Cloudy 85º 3% ESE 6 mph 68%
8pm Partly Cloudy 83º 4% SE 6 mph 73%
9pm Partly Cloudy 83º 5% SE 6 mph 74%
10pm Partly Cloudy 83º 5% ESE 6 mph 74%
11pm Partly Cloudy 83º 11% ESE 6 mph 75%
Fri
Aug 7
Partly Cloudy
View Hourly
85º / 81º 24% E 12 mph 74%
12am Partly Cloudy 83º 8% SE 6 mph 75%
1am Partly Cloudy 83º 21% ESE 6 mph 75%
2am Partly Cloudy 82º 9% ESE 6 mph 76%
3am Partly Cloudy 82º 17% ESE 6 mph 77%
4am Partly Cloudy 82º 21% ESE 6 mph 77%
5am Partly Cloudy 82º 23% ESE 4 mph 77%
6am Partly Cloudy 82º 20% ESE 4 mph 77%
7am Partly Cloudy 81º 24% E 4 mph 77%
8am Partly Cloudy 83º 22% E 6 mph 75%
9am Partly Cloudy 84º 21% E 8 mph 74%
10am Mostly Cloudy 84º 15% E 9 mph 74%
11am Partly Cloudy 84º 17% E 9 mph 72%
12pm Partly Cloudy 84º 8% E 10 mph 74%
1pm Partly Cloudy 84º 9% E 11 mph 74%
2pm Partly Cloudy 84º 12% E 11 mph 73%
3pm Partly Cloudy 84º 19% E 12 mph 72%
Sat
Aug 8
Isolated Thunderstorms 85º / 81º 40% E 10 mph 72%
Sun
Aug 9
AM Thunderstorms 85º / 81º 46% ESE 9 mph 74%
Mon
Aug 10
Scattered Thunderstorms 86º / 81º 45% SSE 9 mph 73%
Tue
Aug 11
AM Thunderstorms 86º / 82º 45% SE 8 mph 73%
Wed
Aug 12
Isolated Thunderstorms 87º / 82º 32% SSW 8 mph 71%

Weather Radar for South Pass, Mississippi River, LA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South Pass, Mississippi River, LA

This Afternoon
High : 88ºF
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Tonight
Low : 82ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Thursday
High : 87ºF
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Thursday Night
Low : 82ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Friday
High : 87ºF
E wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.
Friday Night
Low : 82ºF
E wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.
Saturday
High : 87ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms before 1pm. Seas around 2 ft.
Saturday Night
Low : 82ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Sunday
High : 88ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas around 1 ft.

NOAA Buoy Data Near South Pass, Mississippi River, LA See Map

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    Wind Speed Forecast for South Pass, Mississippi River, LA

    WednesdayThursdayFriday
    Wind Speed (MPH) 8543346666610
    9pm1am5am9am1pm5pm9pm1am5am9am1pm5pm
    MPH 8543346666610
    DIR SSSWSSSWSWEESESESEESEEE

    Current Weather Conditions In South Pass, Mississippi River, LA

    As Of: 16 minutes ago

    • 86ºF
    • 93ºF
    • 8mph
    • 0º (S)
    • 8mph
    • Mostly Sunny
    • 10mi
    • 30.03"
    • 63%
    • 0ºF

    The weather right now in South Pass, Mississippi River, LA is Mostly Sunny. The current temperature is 86°F, and the expected high and low for today, Wednesday, August 5, 2026, are -° high temperature and 78°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the South. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 93° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 63 percent, and air pressure at 30.03 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Flood Advisory - 2:14pm Wed Aug 5 2026

    ...FLOOD ADVISORY IN EFFECT UNTIL 515 PM CDT THIS AFTERNOON...

    WHAT: Urban area and small stream flooding caused by excessive
    rainfall is expected.

    WHERE: Northeastern Jefferson Parish in southeastern Louisiana...
    Northwestern Plaquemines Parish in southeastern Louisiana...

    WHEN: Until 515 PM CDT.

    IMPACTS: Minor flooding in low-lying and poor drainage areas.
    Ponding of water in urban or other areas is occurring or is
    imminent.

    ADDITIONAL DETAILS: - At 214 PM CDT, Doppler radar indicated heavy rain due to
    thunderstorms. This will cause urban and small stream flooding.
    Between 1 and 2 inches of rain have fallen.
    - Additional rainfall amounts of 1 to 2 inches are expected over
    the area. This additional rain will result in minor flooding.
    - Some locations that will experience flooding include...
    Harvey, Timberlane, Belle Chasse, Marrero, Gretna, Woodmere,
    Terrytown and Estelle.
    - http://www.weather.gov/safety/flood

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Turn around, don't drown when encountering flooded roads. Most flood
    deaths occur in vehicles.

    Be aware of your surroundings and do not drive on flooded roads.

    &&