Summary:
A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts.
Washington
Flood Warning remains in effect from 7 AM today until Friday afternoon.
- Flooding caused by excessive rainfall.
- Excessive runoff may result in flooding of rivers, creeks, streams, and low lying and flood prone locations.
Oregon