Weather Will Be a Handful for Northern Oregon, South Washington: Flood Watches, Winds

Published 03/12/26 at 12:55 a.m.
By Oregon Coast Beach Connection Staff

(Portland, Oregon) – There's a boatload of flood, wind and even snow alerts for various parts of Oregon and Washington, as an atmospheric river already moving across the region will drive impacts over the next several days. Look for periods of moderate to heavy rain, breezy conditions, and mountain snow focused mainly on the Washington Cascades. The overall risk of general river flooding remains low, but there are various watches, according to the National Weather Service (NWS). (Above: St. John's Bridge in Portland - Oregon Coast Beach Connection)

Even sim there's a dose of spring coming with temps possibly getting into the upper '60s next week.

There are no watches or warnings south of Albany or Madras. Here are the watches and warnings issued by the NWS.

Winter Weather Advisory for the North Oregon Cascades
A Winter Weather Advisory remains in effect until 11 p.m. Thursday for the North Oregon Cascades. Wet snow will vary sharply by elevation, with three to twelve inches expected between 3,000 and 5,000 feet. Locations above 5,500 feet could see several feet of heavy, wet snow. Roads, bridges, and overpasses are likely to become slick and hazardous. See all warnings for Oregon.

A Flood Watch is in effect through early Saturday morning for the Wilson and Trask Rivers near Tillamook. The Trask River is expected to rise rapidly, with minor flooding beginning above 16.5 feet. Dairy farms, buildings, and a few residences near Highway 101 may be threatened. The river measured 10.2 feet Wednesday afternoon, and forecasters say it may reach flood stage late Wednesday night.

Widespread Flood Watch for Northwest Oregon and Southwest Washington:
A broader Flood Watch covers much of northwest Oregon and southwest Washington from Wednesday evening through Friday night. That includes the Washington coast and north Oregon coast. Excessive rainfall may cause flooding of rivers, creeks, and urban areas. Landslides and debris flows are possible, especially near steep slopes and canyon mouths. The watch includes 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.

Near Tillamook last year - courtesy Tillamook County Sheriff's Office

A Flood Watch continues for Johnson Creek at Sycamore from Thursday morning through early Saturday. Minor flooding begins at 11.0 feet, affecting areas between SE 92nd and SE 122nd and between Johnson Creek and SE Harold Street. The creek stood at 3.2 feet late Wednesday morning, with forecasts indicating a rise to flood stage Thursday.

A separate Flood Watch remains in effect for the Pudding River at Aurora from Saturday evening through late Monday. Minor flooding begins above 22.0 feet, affecting low-lying agricultural land and access roads. The river was at 10.0 feet Wednesday morning and is expected to rise toward flood stage over the weekend.

High Wind Warning for Eastern Oregon and Washington:
A High Wind Warning is in effect from 5 p.m. Wednesday through 11 a.m. Thursday for the Foothills of the Blue Mountains, the Lower Columbia Basin, and North Central Oregon. Southwest winds of 25 to 35 mph with gusts up to 60 mph may bring down trees and power lines. Travel may be difficult for high-profile vehicles, and blowing dust could reduce visibility in exposed areas.

There are a variety of other snow and inclement weather alerts for Oregon and Washington. See them at the Oregon Coast Weather page or the Full Oregon Weather: North, Central, Eastern Southern page.

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