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Frost Advisory

Status

Event Continued Expired

Start Time

Tue 04/22/2025 07:53 AM EDT

End Time

Tue 04/22/2025 12:00 PM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Eugene, OR ∙ Salem, OR ∙ Hillsboro, OR ∙ Beaverton, OR ∙ Springfield, OR ∙ Corvallis, OR ∙ Albany, OR ∙ Blue River, OR ∙ Meadow Glade, WA ∙ Shedd, OR

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Portland OR 453 AM PDT Tue Apr 22 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures between 33 and 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland Metro, West Columbia River Gorge of Oregon above 500 ft, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 9 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>109-113>119-123>125-WAZ203>205-208-221600- /O.CON.KPQR.FR.Y.0004.000000T0000Z-250422T1600Z/ North Oregon Coast Range Lowlands-Central Oregon Coast Range Lowlands-North Oregon Coast Range-Central Oregon Coast Range- Lower Columbia River-Tualatin Valley-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- Clackamas County Cascade Foothills-Cascade Foothills of Marion and Linn Counties-Lane County Cascade Foothills-Willapa Hills- Cowlitz County Lowlands-North Clark County Lowlands-South Washington Cascade Foothills- Including the cities of Longview, Molalla, Harrisburg, Rockcreek, Battle Ground, Tigard, Hockinson, Kalama, Corvallis, Horton, Hoskins, Glenwood, Cottage Grove, Woodburn, La Center, Silverton, Clatskanie, Knappa, Alsea, Jewell, Necanicum, Philomath, Keizer, Vernonia, St. Helens, Salem, Sherwood, Corbett, Springfield, Toutle, Forest Grove, Ridgefield, Vida, Mary's Peak, Wilsonville, McKenzie Bridge, Rainier, Junction City, Creswell, Scappoose, Eugene, Castle Rock, Brightwood, Brownsville, Brooklyn, Oakridge, Sandy, Brush Prairie, Valsetz, Sheridan, Estacada, Cherryville, Yacolt, Stayton, Rhododendron, Dallas, Monmouth, Boring, Detroit, Mill City, Wilson River Summit, Sunset Summit, Woodland, Lebanon, Welches, Amboy, Hillsboro, Albany, Newberg, Mapleton, Alma, Kelso, Lake Merwin, Silver Falls, Grand Ronde Indian Reservation, Grand Ronde, McMinnville, and Monroe 453 AM PDT Tue Apr 22 2025