* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to low 90s and low temperatures mostly in the 60s.
Temperatures are expected to be cooler given increased cloud cover
today. This will pose a moderate to locally major risk of
heat-related illness.
* WHERE...Foothills and Valleys of the North Cascades, Foothills and
Valleys of Central King County, Foothills and Valleys of Pierce
and Southern King Counties, Foothills and Valleys of Snohomish and
Northern King Counties, and Foothills and Valleys of Thurston and
Lewis Counties.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with high temperatures up to 90 degrees and
low temperatures remaining in the 60s. This will pose a moderate
risk of heat-related illness.
* WHERE...Eastern Kitsap County, Lowlands of Western Skagit and
Northwestern Snohomish Counties, Lowlands of Western Whatcom
County, Northern Hood Canal, Southern Hood Canal, Downtown Everett
/ Marysville Area, Olympia and Southern Puget Sound, and Shoreline
/ Lynnwood / South Everett Area.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to low 90s and low temperatures in the mid 60s.
Temperatures will be slightly cooler due to an increase in cloud
cover expected today. This will pose a moderate to locally major
risk of heat-related illness.
* WHERE...City of Seattle, Eastside, and Lowlands of Pierce and
Southern King Counties.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with temperatures up to 96 degrees. This
will pose moderate to major risk of heat-related illness.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Simcoe Highlands, and Lower Slopes of the Eastern Washington
Cascades Crest.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. Heat will
significantly increase the risk of heat-related illnesses for
those who are sensitive to heat, especially those without
effective cooling or adequate hydration.
* ADDITIONAL DETAILS...Lingering cloud cover from thunderstorms in
southern Oregon may result in lower than forecast afternoon
temperatures or higher than forecast overnight low temperatures.
* WHAT...Dangerously hot conditions with temperatures up to 95 to
100 degrees expected. This will pose a major risk of heat-related
illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, Kittitas Valley,
and Yakima Valley.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Extreme heat will significantly increase the
risk of heat-related illnesses for much of the population,
especially those who are heat sensitive and those without
effective cooling or adequate hydration.
* ADDITIONAL DETAILS...Lingering cloud cover from thunderstorms in
southern Oregon may result in lower than forecast afternoon
temperatures or higher than forecast overnight low temperatures.
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to low 90s and low temperatures in the mid 60s. This
will pose a major risk of heat-related illness.
* WHERE...City of Seattle, Eastside, and Lowlands of Pierce and
Southern King Counties.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot conditions with high temperatures ranging from the mid
80s to low 90s expected and low temperatures mostly in the 60s.
This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with high temperatures ranging from the 80s
to near 90 degrees expected and low temperatures in the 60s. This
will pose a moderate risk of heat-related illness.
* WHERE...Lake Crescent Area Including US 101.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with high temperatures in the mid to upper
80s and low temperatures in the 60s to 70s. This will pose a
moderate risk of heat-related illness.
* WHERE...Eastern Strait of Juan de Fuca and Western Strait of Juan
de Fuca.
* WHEN...Until 5 AM PDT Tuesday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to upper 90s and low temperatures mostly in the 60s.
This will pose a major risk of heat-related illness.
* WHERE...Foothills and Valleys of the North Cascades, Foothills and
Valleys of Central King County, Foothills and Valleys of Pierce
and Southern King Counties, Foothills and Valleys of Snohomish and
Northern King Counties, and Foothills and Valleys of Thurston and
Lewis Counties.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet and Fire Weather Zone 659
West Slopes of the Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 20 to 30 percent.
* TEMPERATURES...Up to 95.
* STABILITY...Unstable conditions can be expected.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* WHAT...Dangerously hot conditions with temperatures up to 96 to
100 degrees expected. This will pose a major risk of heat-related
illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, Kittitas Valley,
and Yakima Valley.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Extreme heat will significantly increase the
risk of heat-related illnesses for much of the population,
especially those who are heat sensitive and those without
effective cooling or adequate hydration.
* WHAT...Hot conditions with temperatures up to 96 degrees. This
will pose moderate to major risk of heat-related illness.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Simcoe Highlands, and Lower Slopes of the Eastern Washington
Cascades Crest.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. Heat will
significantly increase the risk of heat-related illnesses for
those who are sensitive to heat, especially those without
effective cooling or adequate hydration.
* WHAT...Hot temperatures. High temperatures 95 to 102 degrees.
Limited overnight relief with low temperatures 61 to 72.
* WHERE...Chelan, Coulee City, Leavenworth, Lewiston, Pomeroy,
Brewster, Nespelem, Okanogan, Grand Coulee, Gifford, Othello,
Cashmere, Pangborn Airport, Odessa, Wilbur, Peck, Ritzville, Omak,
Quincy, Bridgeport, Plain, Culdesac, Moses Lake, Ephrata, Number 1
Canyon, Entiat, Tonasket, Alpowa Summit, Harrington, Mansfield,
Clarkston, Creston, Badger Mountain Road, Number 2 Canyon,
Oroville, Wenatchee, Lewiston Grade, Disautel Pass, Lapwai, and
Waterville.
* WHEN...Until 9 PM PDT Wednesday.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat of this magnitude affects anyone without cooling
and hydration as well as health systems and industries.
* WHAT...Dangerously hot conditions with high temperatures of 90-97F
and overnight low temperatures of 60-70F expected.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, Foothills of the Northern
and Central Oregon Cascades, Lower Columbia River and Cowlitz
River Valleys, and South Washington Cascade Foothills.
* WHEN...Until 11 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
* ADDITIONAL DETAILS...The warmest overnight lows are expected to
occur in the Columbia River Gorge and in urban areas from Salem
northward.
* WHAT...Hot conditions with high temperatures of 85 to 92 degrees
and overnight low temperatures of 60-68F possible.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon, North and Central Coast Range Valleys of
Oregon, and Willapa and Wahkiakum Lowlands.
* WHEN...Until 5 AM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to low 90s and low temperatures in the mid 60s. This
will pose a major risk of heat-related illness.
* WHERE...City of Seattle, Eastside, and Lowlands of Pierce and
Southern King Counties.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to upper 90s and low temperatures mostly in the 60s.
This will pose a major risk of heat-related illness.
* WHERE...Foothills and Valleys of the North Cascades, Foothills and
Valleys of Central King County, Foothills and Valleys of Pierce
and Southern King Counties, Foothills and Valleys of Snohomish and
Northern King Counties, and Foothills and Valleys of Thurston and
Lewis Counties.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot conditions with high temperatures ranging from the 80s
to near 90 degrees expected and low temperatures in the 60s. This
will pose a moderate risk of heat-related illness.
* WHERE...Lake Crescent Area Including US 101.
* WHEN...Until 5 AM PDT Wednesday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
