Atmospheric River, Pacific Northwest and Flood
Digest more
Another atmospheric river will bring more rain to the Pacific Northwest later this week, heightening an extensive flood threat.
The moisture from this storm system will help two fast-moving winter storms spread snow across the eastern U.S., with another atmospheric river on its way.
The National Water Center said that "considerable" flooding impacts are expected across the Cascade Foothills to Puget Sound, with urban and minor river flooding also possible throughout the remainder of western Washington and parts of northern Oregon. It also warned that landslides would be possible along the Cascade Foothills.
A global effort to better understand moisture-laden rivers in the sky, like those currently battering the West Coast, will take flight in January 2026.
The flash flood warning was issued due to a levee breach in Tukwila, Washington. An evacuation notice has been issued for the Seattle area after a levee breach prompted a flash flood warning, officials said.