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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Hazardous Weather Conditions

Last Update: 942 PM EST Sun Dec 17 2017

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Taunton, MA Local Forecast Office

28NM S Newport RI

Marine Zone Forecast


Overnight
N winds around 5 kt, becoming E around 5 kt. Seas around 2 ft. A chance of light rain and light snow.
Mon
SE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. A chance of rain.
Mon Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Tue
W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 4 to 7 ft.
Tue Night
W winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 8 ft.
Wed
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft.
Wed Night
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
Thu
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Thu Night
N winds 5 to 10 kt. Seas around 2 ft.
Fri
SE winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft.
Fri Night
S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
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ABOUT THIS FORECAST

Last Update: 942 PM EST Sun Dec 17 2017
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