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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Last Update: 433 AM CST Mon Dec 18 2017

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Lake Charles, LA Local Forecast Office

21NM SE Grand Chenier LA

Marine Zone Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

Synopsis: A warm frontal boundary will continue moving slowly northward across Southeast Texas through Southern Louisiana before becoming stationary once again today. South winds will prevail to the south of the boundary with an east to northeast flow to the north of it. Marine fog will steadily increase as moisture rich air is transported atop relatively cooler shelf waters. The probability of marine fog will continue for all of the coastal waters today, and remain elevated until a frontal passage on Wednesday.

Today
East winds 5 to 10 knots. Seas 1 to 2 feet. Areas of fog through the day. Showers likely and slight chance of thunderstorms in the morning. Chance of showers in the afternoon.
Tonight
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Areas of fog through the night. Slight chance of rain after midnight.
Tuesday
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Areas of fog. Slight chance of showers and thunderstorms.
Tuesday Night
Southwest winds 10 to 15 knots. Seas 1 to 3 feet. Areas of fog through the night. Chance of showers through the night. Slight chance of thunderstorms after midnight.
Wednesday
West winds 5 to 10 knots. Seas 1 to 3 feet. Slight chance of showers in the morning.
Wednesday Night
West winds up to 5 knots becoming south after midnight. Seas 1 to 2 feet.
Thursday
Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
Thursday Night
South winds 10 to 15 knots. Seas 1 to 3 feet.
Friday
South winds 10 to 15 knots. Seas 2 to 4 feet. Chance of showers.
Friday Night
West winds 10 to 15 knots becoming northwest after midnight. Seas 2 to 4 feet. Rain showers likely.
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ABOUT THIS FORECAST

Last Update: 433 AM CST Mon Dec 18 2017
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