Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Coastal Waters Forecast for Tidal Potomac from Indian Head to Cobb Island MD (ANZ536) (Text-Only)
NWS Forecast for: Tidal Potomac from Indian Head to Cobb Island MD (ANZ536)
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Last Update: 632 AM EST Mon Dec 18 2017
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Today: SW winds 5 kt. Waves less than 1 ft.

Tonight: SW winds around 5 kt. Waves 1 ft.

Tue: SW winds 5 to 10 kt. Waves 1 ft.

Tue Night: W winds 5 to 10 kt. Waves 1 ft.

Wed: NW winds 5 kt. Waves less than 1 ft.

Wed Night: N winds 5 kt. Waves less than 1 ft.

Thu: SE winds around 5 kt. Waves 1 ft.

Fri: S winds 5 to 10 kt. Waves 1 ft. A chance of rain through the night.



Zone Forecast: Tidal Potomac from Indian Head to Cobb Island MD (ANZ536)

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