Heat Advisory
Status
Event Extended (Time) Active alertStart Time
Wed 08/05/2026 01:54 AM EDTEnd Time
Fri 08/07/2026 02:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Portland OR 1054 PM PDT Tue Aug 4 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT THURSDAY... * WHAT...Afternoon high temperatures of 93 to 98 degrees and morning low temperatures of 60 to 65 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Wildfire smoke continues west of the Cascades over northwest Oregon and southwest Washington, which may limit high temperatures by approximately 1-3 degrees. However, temperatures will still be hot enough to bring an increased risk ofheat-related illnesses even if temperatures are dampened a few degrees from smoke. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Technical Header
ORZ108>118-WAZ204>208-052100- /O.EXT.KPQR.HT.Y.0005.000000T0000Z-260807T0600Z/ 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-Cowlitz County Lowlands-North Clark County Lowlands-Inner Vancouver Metro-East Clark County Lowlands- South Washington Cascade Foothills- Including the cities of Dallas, Skyline Drive, Vancouver, Portland, Lake Oswego, Molalla, Woodburn, Kelso, Longview, Scappoose, Wilsonville, Gresham, Albany, Lebanon, Rainier, Eugene, Tigard, Woodland, Evergreen, Sellwood, Clatskanie, Silverton, Stayton, Toutle, Junction City, Hockinson, Lake Merwin, Salmon Creek, Sylvan Hill, Cottage Grove, Washougal, Oregon City, Springfield, Ridgefield, Creswell, Happy Valley, Keizer, McMinnville, Fairview, Boring, Corvallis, Brownsville, Monmouth, Harrisburg, Kalama, La Center, Newberg, Sandy, Battle Ground, Brush Prairie, Hillsboro, Sheridan, St. Helens, Monroe, Yacolt, Eagle Creek, Forest Grove, Troutdale, Rockcreek, Sherwood, Estacada, Salem, Chehalem Mountain, Castle Rock, Philomath, Camas, and Amboy 1054 PM PDT Tue Aug 4 2026
