National Weather Service United States Department of Commerce

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Two waves of snow will move through the Upper Midwest through Tuesday night. The first will be now into Tuesday morning, where widespread 1 to 3 inches of snow is expected, with more across the east. 1 inch per hour rates will be possible east of Seney and Manistique tonight. The second wave comes Tuesday night. There's still uncertainty surrounding its track, which is impacting potential snow amounts. Best bet for snow will be closer to the stateline though. After this system Wednesday, expect breezy winds and lake effect downwind of Lake Superior.