Our Proprietary 10-Day Forecast

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Current warnings over Summit, 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 Summit, 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 Summit, 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 King 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 Summit, 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 Summit, 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 Summit, 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 Summit, 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 Summit, 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 King 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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • 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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Summit, WA Climate Summary

General Climate

    •   Temperate oceanic climate
    •   Mild, wet winters and warm, dry summers
    •   Average annual temperature: 48.7°F (9.3°C)
    •   Average annual precipitation: 39.6 inches (100.6 cm)

Winter

    •   Average December-February temperature: 37.5°F (3.1°C)
    •   Average January low temperature: 31.6°F (-0.2°C)
    •   Average annual snowfall: 15.1 inches (38.4 cm)
    •   Snowfall is typically light and infrequent, with occasional heavy snowstorms

Spring

    •   Average March-May temperature: 46.7°F (8.2°C)
    •   Average April high temperature: 53.6°F (12°C)
    •   Spring is generally mild and wet, with occasional periods of warm, dry weather

Summer

    •   Average June-August temperature: 63.1°F (17.3°C)
    •   Average July high temperature: 72.6°F (22.6°C)
    •   Summer is typically warm and dry, with occasional periods of hot, humid weather

Fall

    •   Average September-November temperature: 52.3°F (11.3°C)
    •   Average October high temperature: 58.1°F (14.5°C)
    •   Fall is generally mild and wet, with occasional periods of warm, dry weather

Climate Variability

    •   Summit's climate is influenced by its proximity to the Pacific Ocean, the Cascade Range, and Puget Sound.
    •   The climate can vary significantly from year to year, with occasional periods of extreme weather, such as heat waves, cold snaps, and heavy snowstorms.

Climate Change

    •   Summit's climate is changing, with average temperatures increasing and precipitation patterns becoming more variable.
    •   These changes are expected to continue in the future, with potentially significant impacts on the region's environment, economy, and quality of life.

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

    •   Summit Lake, a glacial lake, is home to a diverse ecosystem, including bald eagles, herons, and beavers.

    •   The Summit Bog, a rare peat bog habitat, supports a unique array of plant and animal life, including carnivorous sundews.

    •   The Cedar River Watershed, which originates in Summit, provides drinking water to Seattle and surrounding areas.

Historical Personalities

  • Asahel Curtiss:

    A pioneer who settled in Summit in the 1850s and established a homestead.

  • John Muir:

    The famed naturalist visited Summit in 1889 and described the area's pristine beauty.

  • Dr. David Douglas:

    A Scottish botanist who collected plant specimens in Summit in the 1820s. His name is commemorated in the Douglas fir, a tree native to the region.

    • Tourist Attractions
    1.Mount Rainier National Park:

    A stunning national park with Mount Rainier, an active volcano, as its centerpiece. Visitors can enjoy hiking, camping, climbing, and wildlife viewing.

    2.Crystal Mountain Resort:

    A popular ski resort located on the slopes of Mount Rainier. It offers a variety of ski and snowboard trails, as well as other winter activities such as snowshoeing and tubing.

    3.The Summit at Snoqualmie:

    A large outdoor shopping mall with a variety of stores, restaurants, and entertainment options. It is located just a short drive from downtown Seattle.

    Nearby Cities:

    Ravensdale, WA
    Maple Valley, WABlack Diamond, WA
    Hobart, WACovington, WA
    Fairwood, WAKent, WA
    Enumclaw, WAAuburn, WA
    Issaquah, WAAlgona, WA
    Renton, WAPacific, WA
    Buckley, WANorth Bend, WA
    Newcastle, WATukwila, WA
    Seattle, WA
    Tacoma, WABellevue, WA
    Everett, WAYakima, WA
    Kirkland, WABellingham, WA
    Marysville, WARedmond, WA
    Lakewood, WAShoreline, WA
    Sammamish, WA