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: 341 PM CST Mon Dec 18 2017

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27NM NNW Pilottown LA

Marine Zone Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST TUESDAY...

Synopsis: Weak high pressure will prevail across the eastern to central Gulf coast region through Tuesday. An area of low pressure is expected to move east across the lower Mississippi Valley and southeast states Tuesday night into Wednesday which should push a weak cold front into the coastal waters on Wednesday but stall it out once again. High pressure will then move east across the region Wednesday night into Thursday. Another cold front is expected to move into the southern plains and lower Mississippi Valley on Friday and Saturday.

Tonight
Southeast winds near 5 knots. Waves less than 1 foot. Dominant period 4 seconds. Widespread dense fog with the visibility below one mile. Slight chance of showers.
Tuesday
Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Widespread dense fog early in the morning, then areas of dense fog late in the morning. Visibility below one mile in the morning. Patchy fog late in the afternoon.
Tuesday Night
South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Patchy fog. Chance of showers through the night.
Wednesday
Southwest winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the morning.
Wednesday Night
Northwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday
Northeast winds near 5 knots becoming southeast in the late morning and afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Thursday Night
South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday
South winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Friday Night
Southwest winds 15 to 20 knots becoming west after midnight. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Saturday
Northwest winds 15 to 20 knots becoming northeast near 10 knots late in the afternoon. Waves 2 to 4 feet subsiding to 1 foot or less in the afternoon. Chance of showers.
Saturday Night
East winds 10 to 15 knots. Waves 2 to 4 feet. Chance of showers.
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ABOUT THIS FORECAST

Last Update: 341 PM CST Mon Dec 18 2017
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