483
WWUS76 KPQR 212142
NPWPQR

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
242 PM PDT Thu Aug 21 2025

ORZ108>125-WAZ204>207-209-210-221200-
/O.CON.KPQR.XH.W.0002.250822T1800Z-250826T1200Z/
Lower Columbia River-Tualatin Valley-Portland West Hills and
Chehalem Mountain-Inner Portland Metro-East Portland Metro-Outer
Southeast Portland Metro-West Central Willamette Valley-East
Central Willamette Valley-Benton County Lowlands-Linn County
Lowlands-Lane County Lowlands-West Columbia River Gorge of Oregon
above 500 ft-West Columbia River Gorge I-84 Corridor-Upper Hood
River Valley-Central Columbia River Gorge I-84 Corridor-Clackamas
County Cascade Foothills-Cascade Foothills of Marion and Linn
Counties-Lane County Cascade Foothills-Cowlitz County Lowlands-
North Clark County Lowlands-Inner Vancouver Metro-East Clark
County Lowlands-West Columbia River Gorge SR 14 Corridor-Central
Columbia River Gorge SR 14 Corridor-
Including the cities of Eugene, Dallas, Sandy, Philomath,
Sheridan, Woodland, Tigard, Corvallis, McKenzie Bridge, La
Center, Brownsville, Welches, Oakridge, McMinnville, Eagle Creek,
Cherryville, Vida, Brush Prairie, Bonneville, Clatskanie,
Creswell, Wyeth, Cottage Grove, Detroit, Gresham, Monmouth,
Estacada, Cascade Locks, St. Helens, Kalama, Longview, Battle
Ground, Rockcreek, Albany, North Bonneville, Washougal, Lake
Oswego, Rainier, Wilsonville, Carson, Rooster Rock, Happy Valley,
Sylvan Hill, Chehalem Mountain, Underwood, Monroe, Junction City,
Salmon Creek, Molalla, Skyline Drive, Stayton, Lebanon, Hood
River, Odell, Forest Grove, Multnomah Falls, Rhododendron,
Keizer, Kelso, Parkdale, Silverton, Ridgefield, Harrisburg,
Newberg, Sellwood, Troutdale, Hillsboro, Woodburn, Hockinson,
Springfield, Brightwood, Castle Rock, Oregon City, Vancouver,
Camas, Cape Horn, Evergreen, Fairview, Silver Falls, Stevenson,
Portland, Mill City, Beacon Rock SP, Corbett, Scappoose, Boring,
Salem, and Sherwood
242 PM PDT Thu Aug 21 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM
PDT TUESDAY...

* WHAT...Dangerously hot conditions with high temperatures of
  96-103F and overnight low temperatures of 60-70F expected, except
  low to mid 70s in the Columbia River Gorge.

* 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, and Lower Columbia River and Cowlitz
  River Valleys.

* WHEN...From 11 AM Friday to 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.

* ADDITIONAL DETAILS...Friday and Saturday will be the hottest days.
  The warmest overnight lows are expected to occur in the Columbia
  River Gorge and in urban areas from Salem northward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

ORZ104-105-126>128-WAZ202-208-211-221200-
/O.CON.KPQR.HT.Y.0005.250822T1800Z-250826T1200Z/
North Oregon Coast Range Lowlands-Central Oregon Coast Range
Lowlands-North Oregon Cascades-Cascades of Marion and Linn
Counties-Cascades of Lane County-Willapa and Wahkiakum Lowlands-
South Washington Cascade Foothills-South Washington Cascades-
Including the cities of Necanicum, Lost Lake, Government Camp,
Timothy Lake, Mapleton, Breitenbush Springs, Lake Merwin, Grand
Ronde, Bennett Pass, Glenwood, Rosburg, Waldo Lake, Santiam Pass,
Hoskins, Tombstone Summit, Knappa, Willapa, Larch Mountain, Alma,
Toutle, Alsea, Santiam Junction, Yacolt, Willamette Pass,
Vernonia, Amboy, Grand Ronde Indian Reservation, Cathlamet,
Jewell, Indian Heaven Wilderness, McKenzie Pass, Mt. St. Helens,
and Lebam
242 PM PDT Thu Aug 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...

* WHAT...Dangerously hot conditions with high temperatures of 93-98F
  and overnight low temperatures of 60-68F expected.

* WHERE...South Washington Cascades and the Northern and Central
  Cascades of Oregon, North and Central Coast Range Valleys of
  Oregon, Willapa and Wahkiakum Lowlands, and South Washington
  Cascade Foothills.

* WHEN...From 11 AM Friday to 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.

* ADDITIONAL DETAILS...Friday and Saturday will be the hottest days.
  Overnight lows as warm as the lower 70s are possible on the mid
  slopes of the Cascades.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

For more information from the National Weather Service visit
www.weather.gov/portland

TK