Deja vu.” That was how John Perry, the mayor of Everson, Washington, described what it felt like to watch as flood waters from the Nooksack River began to inundate the streets, homes and businesses of his community for the second time in about four years.

MOUNT VERNON, Wash. — Washington was under a state of emergency Thursday from a barrage of torrential rain that has sent rivers flowing over their banks, caused mudslides to crash down on highways and trapped people in floodwaters. Tens of thousands of residents were under evacuation orders.

Unprecedented flooding is driving tens of thousands of people from their homes. Local authorities are sharing resources, and the state is asking for federal aid.

SUMAS, Wash. — Helicopter crews from the U.S. Coast Guard rescued people who were trapped in their homes as floodwaters reached 15 feet in parts of northern Whatcom County Thursday afternoon. Water from the Nooksack River overran the town of Sumas around 8 a.m., blocking most roads in and out.

Floodwaters have submerged much of Sumas, with time-lapse video showing the Nooksack River rising above it's record 2021 levels, causing mudslides and landslides in the surrounding areas.

Sumas officials prepared to sound their flood siren as darkness loomed Wednesday afternoon and the raging Nooksack River topped its banks in Everson, approaching record levels as torrential rain from an atmospheric river fell for a second straight day.

Sumas was put under an evacuation notice on Wednesday afternoon, with officials sounding the flood siren at City Hall and providing evacuation instructions to residents. The city is no stranger to catastrophic floods. In 2021, Sumas was devastated by flooding from the Sumas River and the surrounding creeks it feeds.

Days of torrential rain in Washington state has caused historic floods that have stranded families on rooftops, washed over bridges and ripped at least two homes from their foundations, and experts warned that even more flooding expected Friday could be catastrophic.

KIRO 7 is keeping a close eye on the incoming evacuation orders for people across Washington. Here is a look at evacuation orders in Whatcom County.

An estimated 100,000 Washington residents could face evacuation orders because of rapidly rising floodwaters, Gov. Bob Ferguson’s office said Wednesday afternoon.

A stranded driver in Skagit County was rescued off a car roof by the Washington state National Guard as water swallowed everything in its path. The county currently has faced major flooding from a passing atmospheric river, leading to 78,000 evacuations, according to officials.