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.

Hazardous Weather Conditions

Last Update: 635 AM EST Mon Dec 18 2017

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Wilmington, NC Local Forecast Office

Georgetown Reef MR

Marine Zone Forecast

Synopsis: AMZ200-181915- 635 AM EST Mon Dec 18 2017 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 20 nautical miles... High pressure will move offshore with a weak pressure gradient continuing for the next couple of days. Low pressure developing along a cold front will cross the area Wednesday evening. $$

SW winds 10 kt, increasing to 10 to 15 kt late. Seas 1 to 2 ft, then 2 ft this afternoon. A slight chance of rain this morning, then a chance of rain this afternoon. Patchy fog this afternoon with vsby 1 to 3 nm.
W winds 10 to 15 kt. Seas 2 ft. A chance of rain. Patchy fog. Vsby 1 nm or less.
W winds 10 kt. Seas 2 ft in the morning, then 1 to 2 ft.
Tue Night
SW winds 10 kt, becoming W 10 to 15 kt after midnight. Seas 1 to 2 ft. A slight chance of rain.
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft, then 2 ft in the afternoon. A chance of rain.
Wed Night
W winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 3 to 5 ft. Rain likely.
NE winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 3 to 5 ft.
E winds 10 kt, becoming S. Seas 2 to 3 ft.
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Last Update: 635 AM EST Mon Dec 18 2017
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