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: 318 PM AKST Sun Dec 17 2017

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Juneau, AK Local Forecast Office

56NM SSW Cape Decision AK

Marine Zone Forecast

...SMALL CRAFT ADVISORY DUE TO SEAS THROUGH MONDAY...

Synopsis: A weakening low over the central gulf will move E into the east-central gulf by early Mon morning. The low will then be pushed SE by a building high pressure area over the gulf and NW Canada Mon afternoon into Mon night.

Tonight
SW wind 20 kt. Seas 14 ft. W swell. Isolated thunderstorms in the evening. Scattered rain showers.
Mon
W wind 10 kt. Seas 14 ft. W swell. Scattered rain showers.
Mon Night
N wind 15 kt. Seas 12 ft. W swell. Isolated rain showers.
Tue
N wind 25 kt. Seas 10 ft. W swell.
Tue Night
NW wind 30 kt. Seas 10 ft.
Wed
W wind 15 kt. Seas 9 ft.
Thu
SE wind 20 kt. Seas 9 ft.
Fri
SE wind 20 kt. Seas 8 ft.
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ABOUT THIS FORECAST

Last Update: 318 PM AKST Sun Dec 17 2017
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