Our Proprietary 10-Day Forecast

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Current warnings over Dale City, 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 Dale City, 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 Dale City, 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 Prince William 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 Dale City, 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 Dale City, 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 Dale City, 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 Dale City, 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 Dale City, 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 Prince William 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)
Climate Summary for Dale City, VA

General Climate

Dale City, Virginia, experiences a humid subtropical climate (Köppen climate classification Cfa), characterized by hot, humid summers and mild to cool winters. The city experiences distinct seasonal changes throughout the year.

Temperature


    •   Average Annual Temperature: 57.6°F (14.2°C)
    •   Average Summer Temperature (June-August): 79.5°F (26.4°C)
    •   Average Winter Temperature (December-February): 36.9°F (2.7°C)
    •   Highest Recorded Temperature: 106°F (41.1°C)
    •   Lowest Recorded Temperature: -17°F (-27.2°C)

Precipitation


    •   Average Annual Precipitation: 41.9 inches (106.4 cm)
    •   Average Snowfall: 14.2 inches (36.1 cm)
    •   Wettest Month: July (4.8 inches or 12.2 cm)
    •   Driest Month: February (2.5 inches or 6.4 cm)

Humidity


    •   Average Relative Humidity: 68%
    •   Highest Humidity: Summer (75-80%)
    •   Lowest Humidity: Winter (55-60%)

Wind


    •   Prevailing Wind Direction: West-Southwest
    •   Average Wind Speed: 9.5 mph (15.3 km/h)
    •   Highest Wind Speeds: Winter (10-15 mph or 16-24 km/h)
    •   Lowest Wind Speeds: Summer (5-10 mph or 8-16 km/h)

Sunshine


    •   Average Annual Sunshine: 2,600 hours
    •   Sunniest Month: July (300 hours)
    •   Cloudiest Month: December (180 hours)

Severe Weather


    •   Dale City is located in an area prone to severe thunderstorms, especially during the spring and summer months.
    •   The city is also at risk for occasional tornadoes, although they are less common.
    •   Heavy snowfall can occur during the winter months, leading to disruptions in transportation and daily activities.

Overall, Dale City's climate is characterized by hot, humid summers, mild to cool winters, and distinct seasonal changes throughout the year.

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

    •   Dale City sits on the coastal plain of Virginia, with a rich history of agriculture.

    •   The area was once home to vast forests of oak, hickory, and pine, which provided habitat for numerous wildlife species.

    •   The Neabsco Creek, which flows through Dale City, is an important tributary of the Potomac River and supports a diverse ecosystem.

Science

    •   In the 1950s, Dale City became a hub for scientific research and development due to its proximity to the National Science Foundation and other research institutions.

    •   The area is home to several technology companies and research facilities, including the Science Applications International Corporation (SAIC).

Personalities

  • John Dale:

    A prominent landowner and farmer who gave Dale City its name.

  • Dr. Paul Dudley White:

    A renowned cardiologist who lived in Dale City and established the Heart House, a historic home dedicated to heart health.

  • Dr. James E. Webb:

    The second Administrator of NASA, who resided in Dale City during his tenure.

    • Tourist Attractions
    1.National Museum of the Marine Corps

    (Quantico, VA): This museum showcases the history and heritage of the United States Marine Corps, with exhibits on battles, weapons, and uniforms.

    2.Potomac Mills Mall

    (Woodbridge, VA): This large shopping mall offers a wide variety of stores, restaurants, and entertainment options.

    3.Manassas National Battlefield Park

    (Manassas, VA): This park preserves the site of two major battles of the American Civil War. Visitors can explore the battlefields, tour historic homes, and learn about the conflict.

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