Our Proprietary 10-Day Forecast

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Current warnings over Pasco, 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 Pasco, 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 Pasco, 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 Franklin 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 Pasco, 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 Pasco, 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 Pasco, 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 Pasco, 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 Pasco, 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 Franklin 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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  • Canadian GDPS GEM
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  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
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)
Pasco, WA Climate Summary

General Climate


Pasco, Washington, experiences a semi-arid climate with hot, dry summers and mild, wet winters. The city is located in the rain shadow of the Cascade Mountains, which blocks most of the moisture from the Pacific Ocean. As a result, Pasco receives only about 7 inches of precipitation per year, making it one of the driest cities in the United States.

Temperature


The average temperature in Pasco is 53.6°F (12.0°C). The hottest month is July, with an average temperature of 77.9°F (25.5°C), and the coldest month is January, with an average temperature of 32.2°F (0.1°C).

Precipitation


Pasco receives an average of 6.97 inches (177 mm) of precipitation per year. The wettest month is December, with an average of 1.27 inches (32 mm) of precipitation, and the driest month is July, with an average of 0.05 inches (1.3 mm) of precipitation.

Snowfall


Pasco receives an average of 2.6 inches (6.6 cm) of snowfall per year. The snowiest month is January, with an average of 1.1 inches (2.8 cm) of snowfall.

Wind


The average wind speed in Pasco is 9.2 mph (14.8 km/h). The windiest month is March, with an average wind speed of 11.1 mph (17.9 km/h), and the calmest month is August, with an average wind speed of 7.6 mph (12.2 km/h).

Humidity


The average relative humidity in Pasco is 52%. The most humid month is January, with an average relative humidity of 64%, and the least humid month is July, with an average relative humidity of 38%.

Sunshine


Pasco receives an average of 285 sunny days per year. The sunniest month is July, with an average of 31 sunny days, and the cloudiest month is December, with an average of 18 sunny days.

Climate Change


The climate in Pasco is changing, as it is in many parts of the world. The average temperature in Pasco has increased by about 2 degrees Fahrenheit (1.1 degrees Celsius) since the late 19th century. The city is also experiencing more extreme weather events, such as heat waves, droughts, and floods.

Overall, Pasco has a semi-arid climate with hot, dry summers and mild, wet winters. The city receives very little precipitation, and snowfall is rare. The climate in Pasco is changing, and the city is experiencing more extreme weather events.

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

    •   Pasco sits on the confluence of the Snake and Columbia Rivers, creating a unique ecosystem.

    •   The area is home to over 300 bird species, including the endangered bald eagle.

    •   The Hanford Nuclear Reservation, located nearby, has preserved vast areas of native shrub-steppe habitat.

Science

    •   Pasco is home to the Pacific Northwest National Laboratory (PNNL), a world-renowned research facility.

    •   PNNL scientists have made significant contributions to fields such as nuclear energy, environmental science, and materials science.

    •   The Hanford Site also houses the Laser Interferometer Gravitational-Wave Observatory (LIGO), which detected the first gravitational waves in 2015.

Personalities

    •   Chief Moses, a leader of the Wanapum tribe, played a pivotal role in negotiating the Yakima Treaty of 1855.

    •   George Washington Pasco, a U.S. Senator from Florida, is the namesake of the city.

    •   Dr. William Hanford, a prominent physician and civic leader, founded the Hanford Nuclear Reservation.

Tourist Attractions
1.Sacajawea State Park

is a 250-acre park located on the banks of the Columbia River. The park features a variety of activities, including hiking, fishing, boating, and camping. There is also a museum that tells the story of Sacajawea, the Native American woman who served as a guide for the Lewis and Clark Expedition.

2.Columbia River Gorge

is a scenic canyon that stretches for 80 miles along the Columbia River. The gorge is home to a variety of waterfalls, hiking trails, and viewpoints. One of the most popular attractions in the gorge is Multnomah Falls, which is the tallest waterfall in Oregon.

3.Tri-Cities Water Follies

is an annual water sports festival that takes place in the Tri-Cities area. The festival features a variety of events, including boat races, jet ski competitions, and fireworks.

Nearby Cities:

Kennewick, WA
Burbank, WAFinley, WA
Highland, WARichland, WA
West Richland, WABenton City, WA
Umatilla, ORYakima, WA
Wenatchee, WAPullman, WA
Lewiston, IDWalla Walla, WA
Lewiston Orchards, IDMoscow, ID
Moses Lake, WAEllensburg, WA
Hermiston, ORPendleton, OR
Sunnyside, WA