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: 323 AM CST Mon Dec 18 2017

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Mobile, AL Local Forecast Office

46NM S Gulf Shores AL

Marine Zone Forecast


Synopsis: A light to moderate southerly wind flow will continue over the marine area through midweek. Scattered to numerous showers and thunderstorms can be expected through Wednesday. Areas of fog, likely becoming dense at times, can be expected over the near shore waters through midweek.

Today
Southwest winds 8 to 13 knots becoming west 3 to 8 knots. Seas 2 to 4 feet. Dominant wave period 6 seconds. Patchy fog in the morning. Slight chance of thunderstorms in the morning. Slight chance of showers.
Tonight
Southwest winds 3 to 8 knots becoming south. Seas around 2 feet. Dominant wave period 6 seconds.
Tuesday
South winds 3 to 8 knots increasing to 8 to 13 knots. Seas around 2 feet. Dominant wave period 5 seconds.
Tuesday Night
South winds 8 to 13 knots increasing to 13 to 18 knots. Seas 2 to 3 feet. Dominant wave period 5 seconds. Slight chance of showers after midnight.
Wednesday
Southwest winds 15 to 20 knots. Seas 3 to 5 feet. Dominant wave period 5 seconds. Chance of showers and slight chance of thunderstorms.
Wednesday Night
West winds 13 to 18 knots becoming northwest 8 to 13 knots. Seas 3 to 5 feet. Dominant wave period 5 seconds.
Thursday
East winds 5 to 10 knots. Seas 2 to 3 feet. Dominant wave period 5 seconds.
Thursday Night
Southeast winds 8 to 13 knots. Seas around 2 feet. Dominant wave period 5 seconds.
Friday
Southeast winds 13 to 18 knots. Seas 2 to 4 feet. Slight chance of showers.
Friday Night
Southwest winds 13 to 18 knots. Seas 4 to 6 feet. Chance of showers.
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ABOUT THIS FORECAST

Last Update: 323 AM CST Mon Dec 18 2017
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