Our Proprietary 10-Day Forecast

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Current warnings over Longview, 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 Longview, 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 Longview, 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 Benton 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 Longview, 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 Longview, 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 Longview, 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 Longview, 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 Longview, 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 Benton 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
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  • 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)
Longview, Washington has a temperate oceanic climate, characterized by mild, wet winters and cool, dry summers. The city experiences significant rainfall throughout the year, with an average annual precipitation of 43 inches.

Temperature

    •   Average annual temperature: 51.5°F (10.8°C)
    •   Average summer temperature (July): 63.5°F (17.5°C)
    •   Average winter temperature (January): 39.5°F (4.2°C)

Precipitation

    •   Average annual precipitation: 43 inches (109 centimeters)
    •   Average number of rainy days per year: 150
    •   Average snowfall per year: 2 inches (5 centimeters)

Humidity

    •   Average annual relative humidity: 77%
    •   Average summer relative humidity (July): 75%
    •   Average winter relative humidity (January): 80%

Wind

    •   Average annual wind speed: 8 mph (13 km/h)
    •   Prevailing wind direction: West

Climate Extremes

    •   Record high temperature: 110°F (43°C)
    •   Record low temperature: -10°F (-23°C)
    •   Highest monthly precipitation: 13.25 inches (33.7 centimeters)
    •   Lowest monthly precipitation: 0.04 inches (0.1 centimeters)

Growing Season

    •   Average frost-free period: 200 days
    •   Average last spring frost: April 15
    •   Average first fall frost: October 15

Climate Change

    •   Longview, like many other regions, is experiencing the effects of climate change. The city has seen an increase in average temperatures, more extreme weather events, and changes in precipitation patterns. These changes are expected to continue in the future, posing challenges to the city's infrastructure, economy, and environment.

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

    •   Longview is located at the confluence of the Columbia and Cowlitz Rivers, creating a diverse ecosystem.

    •   The city is home to the Longview National Wildlife Refuge, a 5,000-acre sanctuary for migratory birds and other wildlife.

    •   The Cowlitz River is known for its salmon runs, which have been a vital food source for centuries.

Science

    •   Longview was once a major center for the timber industry, and the Weyerhaeuser Company's Longview Fibre Plant was a technological marvel in its day.

    •   The city is home to the Lower Columbia College, which has a strong science and technology program.

    •   Longview is also the site of the Cowlitz County Historical Museum, which houses a collection of artifacts and exhibits related to the city's history and natural resources.

Personalities

    •   George Long, the founder of Longview, was a prominent businessman and timber magnate.

    •   Helen Long, George's wife, was a prominent philanthropist and founder of the Longview Public Library.

    •   David Douglas, a Scottish botanist, visited Longview in 1833 and collected numerous plant specimens, including the Douglas fir, which was named after him.

Tourist Attractions
1.Mount St. Helens National Volcanic Monument:

Located about 50 miles northeast of Longview, this monument preserves the aftermath of the 1980 eruption of Mount St. Helens. Visitors can explore the blast zone, learn about the volcano's history, and enjoy scenic views.

2.Ridgefield National Wildlife Refuge:

This refuge is located just north of Longview and offers a variety of habitats for wildlife, including wetlands, forests, and prairies. Visitors can enjoy hiking, fishing, kayaking, and wildlife viewing.

3.Kelso Depot Museum:

This museum is located in the historic Kelso train depot and tells the story of the city's railroad history. Visitors can explore the depot, learn about the role of railroads in the development of the region, and see a collection of railroad artifacts.

Nearby Cities:

Umatilla, OR
Irrigon, ORHermiston, OR
Stanfield, ORBoardman, OR
Highland, WAKennewick, WA
Benton City, WAFinley, WA
Yakima, WA
Pasco, WARichland, WA
Wenatchee, WAPullman, WA
Lewiston, IDWalla Walla, WA
Lewiston Orchards, IDMoses Lake, WA
Ellensburg, WAPendleton, OR
Sunnyside, WA