National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

 Click on SnoTel site on map above or on left menu to display individual site's graph in frame below

Click on a river basin on the map below or on left menu
to display basin-wide snowpack projection graphs in the frame above

(User's Guide for the Interpretation of the Basinwide Snowpack Projection Graphs .pdf file)