Frost Advisory
Status
Event Continued ExpiredStart Time
Tue 04/22/2025 03:00 AM EDTEnd Time
Tue 04/22/2025 12:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Eugene, OR ∙ Salem, OR ∙ Hillsboro, OR ∙ Beaverton, OR ∙ Springfield, OR ∙ Corvallis, OR ∙ Albany, OR ∙ Fort Hill, OR ∙ Deer Island, OR ∙ William L Finley National Wildlife Refuge, ORFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Portland OR 107 PM PDT Mon Apr 21 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT TUESDAY... * 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...From midnight tonight to 9 AM PDT Tuesday. * 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>205-208-221230- /O.CON.KPQR.FR.Y.0004.250422T0700Z-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 Scappoose, Harrisburg, Hockinson, Battle Ground, La Center, Vernonia, Glenwood, Stayton, Cottage Grove, Grand Ronde, Yacolt, Philomath, Necanicum, Mill City, Forest Grove, St. Helens, Corvallis, Grand Ronde Indian Reservation, Junction City, Valsetz, Kalama, Springfield, Mary's Peak, Albany, Rainier, Knappa, Hoskins, Sherwood, Keizer, Brooklyn, Monmouth, Silverton, Brownsville, Longview, Detroit, Cherryville, Rockcreek, Castle Rock, Clatskanie, Wilson River Summit, Wilsonville, Creswell, Horton, Molalla, Vida, Dallas, Amboy, Lake Merwin, Tigard, Salem, Woodburn, Monroe, Newberg, Brightwood, Jewell, Hillsboro, Woodland, Welches, Sheridan, Sandy, Boring, Toutle, Alsea, Ridgefield, Oakridge, Eugene, Estacada, Alma, Brush Prairie, Rhododendron, Lebanon, Mapleton, McKenzie Bridge, Corbett, Kelso, Sunset Summit, McMinnville, and Silver Falls 107 PM PDT Mon Apr 21 2025
