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Tropical Center

Extreme Heat Watch

Status

New Event Active alert

Start Time

Tue 07/15/2025 03:00 PM EDT

End Time

Thu 07/17/2025 03:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Locations Affected

Portland, OR ∙ Vancouver, WA ∙ Salem, OR ∙ Gresham, OR ∙ Hillsboro, OR ∙ Beaverton, OR ∙ Aurora State Airport, OR ∙ Gaston, OR ∙ Powellhurst, OR ∙ Hazel Dell, WA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Portland OR 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.

Technical Header

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