Extreme Heat Warning
Status
Event Continued Active alertStart Time
Fri 08/22/2025 02:00 PM EDTEnd Time
Tue 08/26/2025 08:00 AM EDTSignificance
WarningImpacts
High impact
Locations Affected
Portland, OR ∙ Eugene, OR ∙ Salem, OR ∙ Vancouver, WA ∙ Gresham, OR ∙ Beaverton, OR ∙ Hillsboro, OR ∙ Springfield, OR ∙ Corvallis, OR ∙ Albany, ORFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Portland OR 452 AM PDT Fri Aug 22 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING 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, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 11 AM this morning 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.
Technical Header
ORZ108>125-WAZ204>210-230000- /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-South Washington Cascade Foothills-West Columbia River Gorge SR 14 Corridor-Central Columbia River Gorge SR 14 Corridor- Including the cities of Parkdale, Dallas, Monmouth, Welches, Odell, Hillsboro, Sylvan Hill, Cherryville, Vancouver, Bonneville, Camas, Boring, Woodland, McMinnville, Sellwood, Sheridan, Troutdale, Wilsonville, Oregon City, Oakridge, Newberg, Rainier, Multnomah Falls, Carson, Toutle, Creswell, Gresham, Springfield, Detroit, Lebanon, Brownsville, Skyline Drive, Woodburn, Salmon Creek, Cape Horn, Eugene, Sandy, Wyeth, Monroe, Estacada, Longview, La Center, Harrisburg, Mill City, Underwood, Salem, Rhododendron, Hood River, Tigard, Kalama, Cascade Locks, Yacolt, Rockcreek, Beacon Rock SP, Stevenson, Lake Merwin, Vida, Amboy, Sherwood, Forest Grove, Clatskanie, Brightwood, Evergreen, Corvallis, Philomath, Corbett, Battle Ground, Molalla, Chehalem Mountain, Silver Falls, Kelso, Keizer, St. Helens, Ridgefield, Happy Valley, Fairview, McKenzie Bridge, Junction City, North Bonneville, Stayton, Scappoose, Cottage Grove, Hockinson, Albany, Rooster Rock, Lake Oswego, Brush Prairie, Silverton, Portland, Eagle Creek, Castle Rock, and Washougal 452 AM PDT Fri Aug 22 2025
