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 >

The next winter system will begin to impact the region today, starting with gusty winds across southern WY. Gusty winds will ramp up today and tonight, before peaking on Tuesday. Moderate snow will move into the western mountains tonight, with snow continuing for most of the remainder of the week. Warm temperatures will limit any snowfall for lower elevations this week.
As one storm system comes to an end, in comes the next for this upcoming work week. Substantial snow expected west of the Divide for higher elevations and passes, with lower amounts in the western valleys. Mainly dry east of the Divide but stay tuned for updated forecasts!