Our Proprietary 10-Day Forecast

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Current warnings over Ellicott City, Maryland
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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 Ellicott City, Maryland 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 Ellicott City, Maryland 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 Howard County, MD

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 Ellicott City, Maryland

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 Ellicott City, MD 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 Ellicott City, MD

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 Ellicott City, MD, 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 Ellicott City, Maryland

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 Howard County, Maryland

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)
Ellicott City, Maryland Climate Summary

Temperature

    •   Average annual temperature: 54.6°F (12.6°C)
    •   Average summer temperature (June-August): 75.8°F (24.3°C)
    •   Average winter temperature (December-February): 33.0°F (0.6°C)
    •   Record high temperature: 106°F (41°C)
    •   Record low temperature: -16°F (-27°C)

Precipitation

    •   Average annual precipitation: 40.8 inches (103.6 centimeters)
    •   Average snowfall: 20.6 inches (52.3 centimeters)
    •   Wettest month: July (4.8 inches or 12.2 centimeters)
    •   Driest month: February (2.5 inches or 6.4 centimeters)

Humidity

    •   Average annual relative humidity: 69%
    •   Most humid month: August (76%)
    •   Least humid month: February (62%)

Wind

    •   Average annual wind speed: 8.9 miles per hour (14.3 kilometers per hour)
    •   Most windy month: March (10.4 miles per hour or 16.8 kilometers per hour)
    •   Least windy month: August (7.5 miles per hour or 12.1 kilometers per hour)

Sunshine

    •   Average annual sunshine: 2,600 hours
    •   Sunniest month: July (280 hours)
    •   Cloudiest month: December (160 hours)

Climate Classification

    •   Humid subtropical climate (Köppen climate classification: Cfa)

Ellicott City's climate is characterized by hot, humid summers and mild, wet winters. The city experiences a fair amount of precipitation throughout the year, with the wettest months being July and August. Snowfall is common during the winter months, but it typically does not accumulate to significant amounts.

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

    •   Ellicott City is home to the Patapsco Valley State Park, a vast natural area with hiking trails, waterfalls, and diverse wildlife.

    •   The Patapsco River, which flows through the city, is a popular spot for kayaking, fishing, and birdwatching.

    •   The area's limestone geology has created numerous caves, including the nearby Avalon Cave, which is open to the public.

Science

    •   In the 18th century, Ellicott City was a major center for milling and manufacturing.

    •   The city's B&O Railroad Museum showcases the history of railroad transportation, including the first steam locomotive built in the United States.

    •   The National Weather Service's Weather Forecasting Office in Sterling, Virginia, is located just outside Ellicott City.

Personalities

    •   Benjamin Henry Latrobe, a renowned architect, designed the Ellicott City Courthouse and the Patapsco Female Institute.

    •   James Rouse, the founder of the Rouse Company, developed the planned community of Columbia, Maryland, which borders Ellicott City.

    •   The city is also home to several notable artists, writers, and musicians, including the poet Elizabeth Bishop and the composer Philip Glass.

Tourist Attractions
1.Ellicott City Historic District:

A charming and well-preserved historic district with cobblestone streets, 19th-century architecture, and unique shops and restaurants.

2.B&O Ellicott City Station Museum:

A historic railroad station that houses exhibits on the Baltimore & Ohio Railroad, the first commercial railroad in the United States.

3.Patapsco Valley State Park:

A scenic park with hiking trails, a riverfront promenade, and opportunities for kayaking, fishing, and picnicking.

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