Our Proprietary 10-Day Forecast

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Current warnings over Marrero, Louisiana
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Marrero, Louisiana red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Marrero, Louisiana red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Jefferson County, LA

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Marrero, Louisiana

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Marrero, LA please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Marrero, LA

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Marrero, LA, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Marrero, Louisiana

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Jefferson County, Louisiana

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
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Climate Summary
(made with AI, use with caution)
Marrero, Louisiana Climate Summary

General Climate

    •   Marrero, Louisiana, has a humid subtropical climate, with hot, humid summers and mild winters.
    •   The average annual temperature is 70.7°F (21.5°C).
    •   The average annual precipitation is 60.7 inches (1,542 mm).

Summer

    •   The average summer temperature is 82.6°F (28.1°C).
    •   The average July high temperature is 91.2°F (32.9°C).
    •   The average July low temperature is 74.0°F (23.3°C).
    •   The average annual rainfall is 20.3 inches (516 mm).

Winter

    •   The average winter temperature is 50.8°F (10.4°C).
    •   The average January high temperature is 59.8°F (15.4°C).
    •   The average January low temperature is 41.8°F (5.4°C).
    •   The average annual snowfall is 0.1 inches (2.5 mm).

Spring and Fall

    •   The average spring temperature is 64.9°F (18.3°C).
    •   The average April high temperature is 76.9°F (24.9°C).
    •   The average April low temperature is 52.9°F (11.6°C).
    •   The average annual rainfall is 15.1 inches (384 mm).
    •   The average fall temperature is 62.6°F (17.0°C).
    •   The average October high temperature is 80.6°F (27.0°C).
    •   The average October low temperature is 44.6°F (7.0°C).
    •   The average annual rainfall is 12.3 inches (312 mm).

Climate Variability

    •   Marrero's climate is influenced by a number of factors, including its location on the Gulf of Mexico, its proximity to the Mississippi River, and the prevailing wind patterns.
    •   The climate can be variable from year to year, with occasional extreme weather events, such as hurricanes, floods, and droughts.

Climate Change

    •   The climate of Marrero is changing, as is the climate of the entire planet.
    •   The average annual temperature has increased by about 1.5°F (0.8°C) since the late 19th century.
    •   The average annual precipitation has also increased, by about 5 inches (130 mm) since the late 19th century.
    •   These changes are expected to continue in the future, with the average annual temperature increasing by another 2-4°F (1-2°C) by the end of the century.
    •   The average annual precipitation is also expected to increase, by about 10-20% by the end of the century.

Impacts of Climate Change

    •   The changing climate is already having a number of impacts on Marrero, including:
    •   More frequent and intense heat waves
    •   More frequent and intense storms
    •   Rising sea levels
    •   Changes in plant and animal life
    •   These impacts are expected to become more severe in the future, as the climate continues to change.

Adaptation and Mitigation

    •   The people of Marrero are taking steps to adapt to the changing climate and mitigate its impacts.
    •   These steps include:
    •   Building seawalls and levees to protect against flooding
    •   Planting trees and other vegetation to help absorb carbon dioxide
    •   Investing in renewable energy sources
    •   Educating the public about climate change and its impacts
    •   These efforts are helping to make Marrero more resilient to the impacts of climate change.

Facts & Historical Information
(made with AI, use with caution)
Marrero, Louisiana, holds a rich natural history and science legacy:

  • Wetlands Wonder:

    Marrero is nestled amidst the vast Barataria-Terrebonne Estuary, a crucial ecosystem supporting abundant marine life, migratory birds, and endangered species like the Kemp's ridley sea turtle.

  • Fossil Fuel History:

    The area's natural gas and oil reserves played a significant role in Louisiana's economic development. The first offshore oil well in the Gulf of Mexico was drilled near Marrero in 1947.

  • Environmental Pioneer:

    Marrero resident and environmental activist Wilma Subra founded the Louisiana Environmental Action Network (LEAN) in 1981, advocating for coastal restoration and environmental protection.

  • Aviation Heritage:

    The former Naval Air Station Joint Reserve Base New Orleans in Marrero contributed to aviation history. It served as a training ground for pilots during World War II and later became a hub for military and civilian aviation.

  • Local Luminaries:

    Marrero has produced notable personalities, including astronaut Walter Cunningham, who walked on the moon during the Apollo 7 mission, and NFL player Joe McKnight.

    • Tourist Attractions
    1.Jean Lafitte National Historical Park and Preserve

    (Barataria Preserve Unit): A 26,000-acre park that preserves the natural and cultural history of the Mississippi River Delta. Visitors can explore the Barataria Preserve Unit by boat, kayak, or on foot, and learn about the area's rich history as a haven for pirates, smugglers, and fishermen.

    2.The National World War II Museum

    (New Orleans): Located just across the river from Marrero, this museum tells the story of the American experience in World War II. Visitors can explore interactive exhibits, see artifacts from the war, and learn about the sacrifices made by American soldiers.

    3.Audubon Zoo

    (New Orleans): Home to over 500 animals from around the world, Audubon Zoo is a great place to learn about wildlife and conservation. Visitors can see animals up close, learn about their habitats, and participate in educational programs.

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