Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Last Update: 349 PM CST Mon Dec 18 2017

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Lake Charles, LA Local Forecast Office

38NM SW Morgan City LA

Marine Zone Forecast


...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TUESDAY...
Synopsis: A weakening stationary boundary over the Gulf waters is expected to lift inland tonight, pulling best rain chances north along with it. A moist southerly flow will prevail tonight and Tuesday, setting the stage for areas of dense sea fog to persist over the coastal waters into Tuesday. A weak frontal boundary will push eastward through the coastal waters Tuesday night into Wednesday, bringing scattered showers and thunderstorms. West winds and relatively drier air behind the front will bring an end to the risk of sea fog through Wednesday night. South winds are forecast to return on Thursday, ushering higher moisture and the chance of sea fog back into the forecast. A strong cold front is forecast to push through the coastal waters late Friday, with an offshore flow to start the weekend.

Tonight
Southeast winds 5 to 10 knots. Seas 1 foot or less. Areas of dense fog. Slight chance of showers and thunderstorms.
Tuesday
Southeast winds 5 to 10 knots. Seas 1 foot or less. Areas of dense fog. Slight chance of showers and thunderstorms.
Tuesday Night
South winds 10 to 15 knots. Seas 1 to 3 feet. Slight chance of showers in the evening. Slight chance of thunderstorms through the night. Showers likely after midnight.
Wednesday
West winds 10 to 15 knots. Seas 1 to 3 feet. Chance of showers and slight chance of thunderstorms in the morning.
Wednesday Night
West winds up to 5 knots. Seas 1 foot or less.
Thursday
Southeast winds 5 to 10 knots. Seas 1 foot or less. Slight chance of rain showers.
Thursday Night
South winds 10 to 15 knots. Seas 1 to 3 feet. Slight chance of showers and thunderstorms.
Friday
South winds 10 to 15 knots. Seas 1 to 3 feet. Chance of showers and thunderstorms.
Friday Night
West winds 10 to 15 knots. Seas 1 to 3 feet. Chance of rain showers and slight chance of thunderstorms.
Saturday
North winds 10 to 15 knots. Seas 1 to 3 feet. Slight chance of rain showers.
Saturday Night
East winds 10 to 15 knots. Seas 1 foot or less. Slight chance of rain showers.
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ABOUT THIS FORECAST

Last Update: 349 PM CST Mon Dec 18 2017
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