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Current warnings over Louisa, Virginia
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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 Louisa, Virginia 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 Louisa, Virginia 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 Louisa County, VA

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 Louisa, Virginia

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 Louisa, VA 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 Louisa, VA

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 Louisa, VA, 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 Louisa, Virginia

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 Louisa County, Virginia

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)
# Louisa, Virginia Climate Summary

## General Climate

Louisa, Virginia is located in the Piedmont region of the state, about 30 miles northwest of Richmond. The climate is humid subtropical, with hot, humid summers and mild winters. The average annual temperature is 56.4°F, with an average high of 78.7°F in July and an average low of 34.1°F in January. The average annual precipitation is 40.99 inches, with the most rain falling in May and the least in February.

## Temperature

The hottest month in Louisa is July, with an average high of 88.7°F and an average low of 68.7°F. The coldest month is January, with an average high of 44.6°F and an average low of 23.6°F. The average temperature ranges from 34.1°F in January to 78.7°F in July.

## Precipitation

The wettest month in Louisa is May, with an average of 4.49 inches of rain. The driest month is February, with an average of 2.68 inches of rain. The average annual precipitation is 40.99 inches, with the most rain falling in the spring and summer months.

## Snowfall

The average annual snowfall in Louisa is 13.2 inches. The most snow typically falls in January, with an average of 4.2 inches. Snowfall is rare in the spring and summer months.

## Humidity

The average annual relative humidity in Louisa is 73%. The humidity is highest in the summer months, when it can reach up to 90%. The humidity is lowest in the winter months, when it can drop to 50%.

## Wind

The average annual wind speed in Louisa is 8.1 mph. The wind is strongest in the spring and summer months, when it can reach up to 10 mph. The wind is weakest in the winter months, when it can drop to 6 mph.

## Climate Change

The climate in Louisa is changing, as it is in the rest of the world. The average annual temperature has increased by about 1°F since the late 19th century. The average annual precipitation has also increased, by about 5 inches. The number of days with extreme heat has also increased, and the number of days with extreme cold has decreased.

These changes are likely to continue in the future. By the end of the century, the average annual temperature in Louisa is projected to increase by another 3-5°F. The average annual precipitation is also projected to increase, by about 5-10 inches. The number of days with extreme heat is also projected to increase, and the number of days with extreme cold is projected to decrease.

These changes will have a significant impact on the environment and on human health. The increased heat will make it more difficult to grow crops and will also lead to more heat-related illnesses. The increased precipitation will lead to more flooding and erosion. The changes in climate will also make it more difficult to control pests and diseases.

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

    •   Louisa is home to Lake Anna State Park, a 13,500-acre reservoir with abundant wildlife, including bald eagles, osprey, and white-tailed deer.

    •   The Louisa County Conservation Area protects over 1,000 acres of forest, wetlands, and streams, providing habitat for a variety of plant and animal species.

Science

    •   The University of Virginia's Blandy Experimental Farm is located in Louisa County. It is a 700-acre research facility dedicated to plant sciences and environmental conservation.

    •   The National Radio Astronomy Observatory (NRAO) has a telescope facility in Louisa County. It is used for studying the universe's radio emissions.

Personalities

    •   James Monroe, the fifth President of the United States, was born and raised in Louisa County.

    •   Patrick Henry, a renowned orator and statesman, lived in Louisa County for several years.

    •   Louisa May Alcott, the author of \

Tourist Attractions
1.Lake Anna State Park:

A popular destination for boating, fishing, swimming, and hiking, with over 13,000 acres of land and 11,000 acres of water.

2.Montpelier:

The historic home of James Madison, the fourth President of the United States. Visitors can tour the mansion and learn about Madison's life and legacy.

3.Luray Caverns:

A vast underground cave system with stunning stalactites and stalagmites. Visitors can take guided tours and explore the various chambers and formations.

Nearby Cities:

Gordonsville, VA
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Ruckersville, VAHollymead, VA
Baltimore, MD
Washington, DCRichmond, VA
Arlington, VANewport News, VA
Alexandria, VAEast Hampton, VA
Hampton, VARoanoke, VA
Columbia, MDSuffolk, VA
Germantown, MD