An atmospheric river-fuelled storm is soaking Western Washington and other parts of the Pacific Northwest, bringing heavy rain and snowfall that’s resulted in flooding, road closures and emergency evacuations.

The NWS Pendleton OR released a flood watch at 12:56 p.m. on Sunday valid from Monday 4 a.m. until Wednesday 10 a.m. for Upper Slopes of the Eastern Washington Cascades Crest and Lower Slopes of the Eastern Washington Cascades Crest.

Residents and emergency crews in towns along the rain-engorged Skagit River in western Washington state braced on Friday for potential levee failures while National Guard troops assisted in evacuations after days of severe flooding in the Pacific Northwest.

"The tidal overflow threat continues to decrease as the tide lowers and rainfall rates diminish. Thus the Coastal Flood Advisory will be allowed to expire," states the National Weather Service.

On Sunday at 12:55 p.m. an updated flood watch was issued by the NWS Spokane WA valid from Monday 7 p.m. until Tuesday 6 p.m. for Chelan County.

After heavy rains swelled rivers and flooded neighborhoods in northern Washington, residents returned to soggy homes caked in mud. Many tried to salvage what they could.

On Friday at 7:01 p.m. a flood warning was released by the National Weather Service in effect until further notice for Clackamas and Marion counties.

Thousands of residents in western Washington were given evacuation orders this week as flood waters rose from local rivers. Helicopters and boats were deployed to help people who were trapped before they could get out.