Frost Advisory
Status
Event Continued Active alertStart Time
Fri 04/03/2026 08:35 AM EDTEnd Time
Fri 04/03/2026 01:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Salem, OR ∙ Beaverton, OR ∙ Hillsboro, OR ∙ Dollars Corner, WA ∙ Wheeler, OR ∙ Prescott, OR ∙ Falls City, OR ∙ Stayton, OR ∙ Battle Ground, WA ∙ Trask Mountain, ORFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Portland OR 535 AM PDT Fri Apr 3 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, Central Willamette Valley, Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft, Clackamas County Cascade Foothills, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Technical Header
ORZ104>110-113>115-119-123-WAZ203>205-208-031700- /O.CON.KPQR.FR.Y.0001.000000T0000Z-260403T1700Z/ North Oregon Coast Range Lowlands-Central Oregon Coast Range Lowlands-North Oregon Coast Range-Central Oregon Coast Range- Lower Columbia River-Tualatin Valley-Portland West Hills and Chehalem Mountain-Outer Southeast Portland Metro-West Central Willamette Valley-East Central Willamette Valley-West Columbia River Gorge of Oregon above 500 ft-Clackamas County Cascade Foothills-Willapa Hills-Cowlitz County Lowlands-North Clark County Lowlands-South Washington Cascade Foothills- Including the cities of Glenwood, Valsetz, Brightwood, Clatskanie, Amboy, McMinnville, Monmouth, Castle Rock, La Center, Hoskins, Hockinson, Hillsboro, Salem, Alma, Boring, Mary's Peak, Sheridan, Grand Ronde, Sherwood, Wilson River Summit, Stayton, Longview, Grand Ronde Indian Reservation, Kalama, Woodburn, Ridgefield, Molalla, Estacada, Mapleton, Brush Prairie, Scappoose, Welches, Vernonia, Sylvan Hill, Jewell, Corbett, Woodland, Sunset Summit, Silverton, Rhododendron, Necanicum, Rockcreek, Skyline Drive, St. Helens, Rainier, Forest Grove, Toutle, Kelso, Dallas, Alsea, Wilsonville, Battle Ground, Lake Merwin, Keizer, Chehalem Mountain, Sandy, Tigard, Knappa, Cherryville, Horton, Newberg, Brooklyn, and Yacolt 535 AM PDT Fri Apr 3 2026
