Our Proprietary 10-Day Forecast

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Current warnings over Richardson, Washington
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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 Richardson, Washington 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 Richardson, Washington 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 San Juan County, WA

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 Richardson, Washington

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 Richardson, WA 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 Richardson, WA

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 Richardson, WA, 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 Richardson, Washington

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 San Juan County, Washington

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)
Richardson, Washington, located in the Pacific Northwest, experiences a temperate climate characterized by mild, wet winters and warm, dry summers. Here's a summary of the climate conditions in Richardson:

Temperature


    •   Average Annual Temperature: 48.6°F (9.2°C)
    •   Average Summer Temperature (June-August): 65.3°F (18.5°C)
    •   Average Winter Temperature (December-February): 36.4°F (2.4°C)
    •   Record High Temperature: 109°F (42.8°C)
    •   Record Low Temperature: -14°F (-25.6°C)

Precipitation


    •   Average Annual Precipitation: 19.5 inches (49.5 cm)
    •   Average Monthly Precipitation in the Wettest Month (November): 3.1 inches (7.9 cm)
    •   Average Monthly Precipitation in the Driest Month (July): 0.4 inches (1.0 cm)
    •   Average Snowfall: 10.2 inches (25.9 cm)

Seasonal Characteristics


    •   Spring (March-May): Spring in Richardson is generally mild, with temperatures gradually warming up. Average temperatures range from 40°F to 60°F (4.4°C to 15.6°C). Precipitation is moderate, with occasional showers and light rain.
    •   Summer (June-August): Summers in Richardson are warm and dry. Average temperatures range from 60°F to 80°F (15.6°C to 26.7°C). The humidity levels are relatively low, making it comfortable even on hot days.
    •   Fall (September-November): Fall brings cooler temperatures and increased precipitation. Average temperatures range from 45°F to 60°F (7.2°C to 15.6°C). The leaves on the trees change color, creating a beautiful fall foliage display.
    •   Winter (December-February): Winters in Richardson are mild compared to other parts of the country. Average temperatures range from 30°F to 45°F (-1.1°C to 7.2°C). Snowfall is relatively light, averaging around 10 inches (25.4 cm) per year.

Overall, Richardson's climate is characterized by moderate temperatures, moderate precipitation, and distinct seasonal changes. The mild climate makes it an attractive location for outdoor activities year-round.

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

    •   Richardson is home to the Richardson Wildlife Sanctuary, a 160-acre preserve protecting diverse habitats, including wetlands, forests, and grasslands.

    •   The sanctuary is a haven for birdwatchers, with over 200 species recorded, including the rare Black-capped Chickadee.

    •   Richardson Creek, which flows through the sanctuary, is a spawning ground for salmon and steelhead trout.

Science

    •   Richardson is the site of the Richardson Observatory, a private astronomical observatory that has made significant contributions to the field of astronomy.

    •   The observatory has discovered numerous asteroids and comets, including the Shoemaker-Levy 9 comet that collided with Jupiter in 1994.

    •   Richardson is also home to the Richardson Science Center, a non-profit organization that promotes science education and research.

Personalities

    •   Eugene Shoemaker, a renowned geologist and astronomer, lived in Richardson and worked at the Richardson Observatory.

    •   Shoemaker was the first scientist to propose that the Moon was formed by a giant impact.

    •   His wife, Carolyn Shoemaker, is also a distinguished astronomer and co-discoverer of the Shoemaker-Levy 9 comet.

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