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Tropical Center

Flood Watch

Status

Event Extended (Time) Active alert

Start Time

Thu 03/12/2026 06:56 PM EDT

End Time

Sat 03/14/2026 08:00 PM EDT

Significance

Watch

Impacts

Moderate impact

Locations Affected

Portland, OR ∙ Vancouver, WA ∙ Salem, OR ∙ Gresham, OR ∙ Hillsboro, OR ∙ Beaverton, OR ∙ Silver Lake, WA ∙ Yacolt, WA ∙ Bay City, OR ∙ Salem Mcnary Field, OR

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Portland OR 356 PM PDT Thu Mar 12 2026 ...FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY AFTERNOON... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...Through Saturday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Technical Header

ORZ101-102-104-106-108>115-119-120-123-WAZ202>209-131230- /O.EXT.KPQR.FA.A.0001.000000T0000Z-260315T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clatsop County Coast-Tillamook County Coast-North Oregon Coast Range Lowlands-North Oregon Coast Range-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- West Columbia River Gorge of Oregon above 500 ft-West Columbia River Gorge I-84 Corridor-Clackamas County Cascade Foothills- Willapa and Wahkiakum Lowlands-Willapa Hills-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- Including the cities of Keizer, Chehalem Mountain, Warrenton, Cathlamet, Boring, Longview, Sylvan Hill, Cannon Beach, Monmouth, Woodburn, Corbett, Dallas, Troutdale, Kelso, Lake Oswego, Welches, Hillsboro, Kalama, Vancouver, Estacada, Willapa, Sandy, Rockcreek, Astoria, Sunset Summit, Vernonia, Portland, Multnomah Falls, Battle Ground, Jewell, Sellwood, Stayton, Rosburg, Cape Horn, Evergreen, Silverton, Washougal, Knappa, Gresham, Tillamook, Manzanita, Wilson River Summit, Amboy, Salmon Creek, Wilsonville, Necanicum, Cherryville, North Bonneville, Rooster Rock, Beacon Rock SP, Castle Rock, Rainier, Molalla, Scappoose, Eagle Creek, Neskowin, Yacolt, Oregon City, Tigard, Lake Merwin, St. Helens, Brush Prairie, Newberg, Pacific City, La Center, Woodland, Cascade Locks, Rhododendron, Sheridan, Brightwood, Glenwood, Camas, Seaside, Grand Ronde Indian Reservation, Fairview, Forest Grove, McMinnville, Bonneville, Brooklyn, Lebam, Salem, Ridgefield, Happy Valley, Hockinson, Skyline Drive, Clatskanie, Stevenson, Sherwood, Rockaway Beach, and Toutle 356 PM PDT Thu Mar 12 2026