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 coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

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What's the difference between the Official River Forecast vs. HEFS vs. MMEFS?
Ensemble River Forecasts
Map Last Updated:

 

News Legend
News Items less than 24 hours old News Items 1 to 7 days old No current News Items
Map Legend
Chance of Exceedance
River Forecast Centers
30%
Level
70%
Action
Minor Flood
Moderate Flood
Major Flood
= less than 30% chance of reaching Action level
 
= no critical levels defined for this point