Historic rainfall and catastrophic flooding in Washington state forced the entire city of Burlington to evacuate, with members of the National Guard going door-to-door to help people leave.

Level 3 "Go Now" evacuation notices have been issued for residents of Burlington, asking them to leave immediately, due to rising floodwaters from Gages Slough.

Officials say dangerous flooding could force 100,000 people to evacuate.

By David Ryder and Steve Gorman BURLINGTON, Washington, Dec 12 (Reuters) - 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.

Drier weather is coming, but flooding effects are likely to continue for days across portions of western Washington state and northwestern Oregon.

Record floodwaters are slowly receding in Washington state after triggering evacuations, inundating communities and prompting dramatic rescues from rooftops and vehicles

Authorities are going door-to-door in South Prairie, Washington, in Pierce County, urging residents to leave their homes immediately as water rises there. The Pierce County Sheriff’s Office previously said that at least 25 people have been rescued in the county since Wednesday, including in South Prairie.

The atmospheric river is forecast to move over Washington starting on Monday and will last until Tuesday, bringing heavy rain and gusty winds. This comes days after a historic river flood impacted the state,

Cleanup of the Olympic pipeline leak in Burlington has been paused due to flooding, leaving low-level contaminated soil still under investigation, according to the Department of Ecology.