National Weather Service United States Department of Commerce

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Moderate to heavy rain with higher mountain snow is expected tonight through Tuesday as an atmospheric river moves into the area. The highest rainfall amounts will be over Curry and Coos counties, over western Siskiyou County terrain and the Cascades, and in tthe Mount Shasta region.
A "Pineapple Express" atmospheric river will bring moderate to heavy rainfall to areas west of the Cascades from Monday night to Tuesday afternoon. This rainfall may cause ponding of water on non-permeable surfaces like roads or parking lots, agricultural areas, or areas with poor or blocked drainage. Creeks or small streams may exceed their banks, especially in areas where rainfall on snow can increase flow. While rainfall eases Tuesday afternoon, continuing showers may allow areal flooding to linger into Wednesday morning.

 

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