Our Proprietary 10-Day Forecast

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Current warnings over San Luis, Arizona
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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 San Luis, Arizona 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 San Luis, Arizona 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 Yuma County, AZ

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 San Luis, Arizona

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 San Luis, AZ 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 San Luis, AZ

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 San Luis, AZ, 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 San Luis, Arizona

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 Yuma County, Arizona

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)
San Luis, Arizona Climate Summary

Average Temperature

    •   January: 46°F (8°C)
    •   April: 63°F (17°C)
    •   July: 88°F (31°C)
    •   October: 72°F (22°C)

Average Precipitation

    •   January: 0.6 inches (15 mm)
    •   April: 0.3 inches (8 mm)
    •   July: 2.5 inches (63 mm)
    •   October: 0.9 inches (23 mm)

Climate Type

    •   Desert

General Climate

San Luis, Arizona has a desert climate, with hot summers and mild winters. The average temperature in July is 88°F (31°C), while the average temperature in January is 46°F (8°C). The average annual precipitation is 9.3 inches (236 mm).

Summer

The summer months in San Luis are hot and dry. The average temperature in July is 88°F (31°C), and the average high temperature is 100°F (38°C). The average low temperature is 76°F (24°C). There is very little rain during the summer months, with an average of only 2.5 inches (63 mm) of rain in July.

Winter

The winter months in San Luis are mild and dry. The average temperature in January is 46°F (8°C), and the average high temperature is 58°F (14°C). The average low temperature is 34°F (1°C). There is very little rain during the winter months, with an average of only 0.6 inches (15 mm) of rain in January.

Spring and Fall

The spring and fall months in San Luis are mild and dry. The average temperature in April is 63°F (17°C), and the average high temperature is 77°F (25°C). The average low temperature is 49°F (9°C). There is very little rain during the spring and fall months, with an average of only 0.3 inches (8 mm) of rain in April and 0.9 inches (23 mm) of rain in October.

Climate Change

The climate in San Luis is changing, as it is in many parts of the world. The average temperature in San Luis has increased by about 2°F (1°C) since the late 19th century. The average annual precipitation has also decreased by about 1 inch (25 mm) since the late 19th century. These changes are expected to continue in the future, with the average temperature in San Luis increasing by another 2-4°F (1-2°C) by the end of the century. The average annual precipitation is also expected to decrease by another 1-2 inches (25-50 mm) by the end of the century.

Climate Impacts

The changing climate in San Luis is having a number of impacts on the local environment and economy. The increased temperatures are causing more heat waves and droughts, which are damaging crops and livestock. The decreased precipitation is also causing water shortages, which are making it difficult for people and businesses to operate. The changing climate is also leading to more extreme weather events, such as floods and wildfires, which are causing damage to property and infrastructure.

Adaptation and Mitigation

The people of San Luis are working to adapt to the changing climate and mitigate its impacts. They are planting more drought-resistant crops, using more efficient irrigation methods, and investing in renewable energy sources. They are also working to reduce their greenhouse gas emissions, which are contributing to climate change.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   San Luis is located in the Sonoran Desert, renowned for its unique flora and fauna.

    •   The Colorado River Delta, nearby, is a critical habitat for migratory birds and endangered species.

    •   The city's namesake, the San Luis Wash, is a natural drainage that supports a riparian ecosystem.

Science

    •   The University of Arizona operates the San Luis Valley Solar Farm, one of the largest solar energy facilities in the United States.

    •   The city is home to the San Luis National Wildlife Refuge, a 100,000-acre sanctuary for migratory birds and wildlife.

Personalities

  • Juan Bautista de Anza:

    Spanish explorer who led expeditions through San Luis in the 18th century.

  • Edward F. Beale:

    American diplomat and explorer who established the Beale Wagon Road through San Luis.

  • Charles Lindbergh:

    American aviator who landed his Spirit of St. Louis aircraft in San Luis after his historic transatlantic flight in 1927.

    • Tourist Attractions
    1.Imperial Sand Dunes Recreation Area:

    Located just east of San Luis, this vast desert playground offers thrilling off-roading, sandboarding, and camping experiences.

    2.Organ Pipe Cactus National Monument:

    A unique and beautiful park showcasing a diverse ecosystem, including the iconic organ pipe cactus, as well as hiking trails, scenic drives, and wildlife viewing opportunities.

    3.Colorado River Indian Tribes Museum:

    Located in nearby Parker, Arizona, this museum offers insights into the history, culture, and traditions of the Colorado River Indian Tribes, with exhibits on pottery, basketry, and other artifacts.

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