Flood Watch
Status
Event Continued Active alertStart Time
Tue 12/09/2025 06:56 PM ESTEnd Time
Thu 12/11/2025 07:00 PM ESTSignificance
WatchImpacts
Moderate impact
Locations Affected
Portland, OR ∙ Salem, OR ∙ Vancouver, WA ∙ Gresham, OR ∙ Hillsboro, OR ∙ Beaverton, OR ∙ Corvallis, OR ∙ Albany, OR ∙ Nemah, WA ∙ Kalama, WAFull Alert Message
Flood Watch National Weather Service Portland OR 356 PM PST Tue Dec 9 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Counties in Oregon: Benton, Clackamas, Clatsop, Columbia, Hood River, western portions of Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, and Yamhill. Counties in Washington: Clark, Cowlitz, Pacific, Skamania, and Wahkiakum. * WHEN...Through Thursday afternoon. * IMPACTS...Excessive runoff will result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. 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... - Over the past 24 hours, around 2.5 to 5 inches of rain has fallen over the north Oregon Cascades, south Washington Cascades, Willapa Hills, north Oregon Coast Range, south Washington coast, and northern and central Oregon coast. 1.0 to 3.0 inches of rain has fallen over the Lower Columbia, Cowlitz Valley, and greater Portland/Vancouver metro. This will maintain an elevated threat for urban and river flooding. Additional rainfall of 2.0 to 4.0 inches over the Cascades and Coastal mountains. Landslides in areas of steep terrain will be possible due to saturated soils, as well as debris flows over recently burned areas. - 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>117-119>124-126-127-WAZ201>211-100800- /O.CON.KPQR.FA.A.0003.000000T0000Z-251212T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clatsop County Coast-Tillamook County Coast-Central Coast of Oregon-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-Inner Portland Metro-East Portland Metro- Outer Southeast Portland Metro-West Central Willamette Valley- East Central Willamette Valley-Benton County Lowlands-Linn County Lowlands-West Columbia River Gorge of Oregon above 500 ft-West Columbia River Gorge I-84 Corridor-Upper Hood River Valley- Central Columbia River Gorge I-84 Corridor-Clackamas County Cascade Foothills-Cascade Foothills of Marion and Linn Counties- North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Coast-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- Central Columbia River Gorge SR 14 Corridor-South Washington Cascades- Including the cities of Sellwood, Portland, Tigard, Florence, Kelso, Willapa, Detroit, Battle Ground, Rainier, Brightwood, Underwood, Bennett Pass, Rhododendron, Mary's Peak, Bonneville, Scappoose, Sandy, McKenzie Pass, Oregon City, Amboy, Lost Lake, Vancouver, Brooklyn, Monroe, Newberg, Cascade Locks, Sylvan Hill, Sunset Summit, Sherwood, Rooster Rock, Troutdale, Lake Merwin, Waldport, Lake Oswego, Estacada, Carson, Albany, Yacolt, Parkdale, Lebanon, Keizer, Naselle, Happy Valley, Grand Ronde Indian Reservation, Santiam Junction, Corbett, Hoskins, Rockaway Beach, Ridgefield, Salmon Creek, Cherryville, Warrenton, Dallas, Multnomah Falls, Alma, Camas, Forest Grove, Hillsboro, Rockcreek, Government Camp, Ocean Park, Washougal, Salem, Manzanita, Stevenson, Philomath, Stayton, Cathlamet, Skyline Drive, Eagle Creek, Timothy Lake, Woodland, Evergreen, Mt. St. Helens, Neskowin, Castle Rock, Molalla, Horton, Mapleton, Gresham, Hood River, Wyeth, Breitenbush Springs, Tombstone Summit, Odell, Kalama, Seaside, Silver Falls, Lebam, Welches, Brush Prairie, Clatskanie, Sheridan, Cannon Beach, Fairview, Glenwood, Lincoln City, Woodburn, Larch Mountain, Necanicum, Pacific City, Newport, Tokeland, Astoria, Longview, Vernonia, Long Beach, Indian Heaven Wilderness, Hockinson, Toutle, Alsea, Brownsville, Wilsonville, Rosburg, McMinnville, Monmouth, Valsetz, Wilson River Summit, North Bonneville, Chehalem Mountain, Tillamook, Mill City, Beacon Rock SP, Boring, Raymond, Silverton, Knappa, Cape Horn, Corvallis, St. Helens, Jewell, Grand Ronde, La Center, Santiam Pass, and Harrisburg 356 PM PST Tue Dec 9 2025
