Extreme Heat Watch

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
128 PM PDT Thu Jul 10 2025

ORZ108>115-119>122-WAZ204>207-209-210-111300-
/O.NEW.KPQR.XH.A.0001.250715T1900Z-250717T0700Z/
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-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-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 Boring, Monmouth, Rainier, Stevenson,
Skyline Drive, Cascade Locks, La Center, Ridgefield, Kelso,
Keizer, Scappoose, Longview, Woodland, Molalla, Camas, Dallas,
Rockcreek, Sellwood, Sheridan, Beacon Rock SP, Sylvan Hill,
Newberg, Estacada, Salem, Parkdale, Happy Valley, Castle Rock,
Brush Prairie, Tigard, Lake Oswego, Fairview, Vancouver, Chehalem
Mountain, Cape Horn, Carson, Hockinson, Kalama, Rooster Rock,
Underwood, Sherwood, Hood River, Washougal, Battle Ground,
Clatskanie, St. Helens, Corbett, Multnomah Falls, Odell, Sandy,
Wyeth, Gresham, Silverton, Bonneville, Salmon Creek, Wilsonville,
McMinnville, Hillsboro, Oregon City, Troutdale, Stayton, North
Bonneville, Forest Grove, Woodburn, Evergreen, Eagle Creek, and
Portland
128 PM PDT Thu Jul 10 2025

...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...

* WHAT...Dangerously hot conditions with temperatures between 95 and
  105 degrees possible. Low temperatures between 65 to 70 degrees
  are possible, which would limit overnight relief.

* WHERE...Greater Portland/Vancouver Metro, Western and Central
  Columbia River Gorge, the Corbett area and the Hood River Valley,
  Lower Columbia River and Cowlitz River Valleys, and Central
  Willamette Valley.

* WHEN...From Tuesday afternoon through Wednesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...There is a 40-50% chance that Tuesday night
  low temperatures remain above 70 degrees. There is also a 20-40%
  chance that Tuesday and Wednesday high temperatures exceed 105
  degrees across the Willamette Valley.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

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

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