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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Hazardous Weather Conditions

Last Update: 341 PM CST Mon Dec 18 2017

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45NM SE Pilottown LA

Marine Zone Forecast


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 5 to 10 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Patchy fog. Slight chance of showers.
Tuesday
Southeast winds 5 to 10 knots. Seas 1 to 3 feet. Dominant period 5 seconds. Patchy fog in the morning. Patchy fog late in the afternoon.
Tuesday Night
South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Patchy fog. Chance of showers through the night.
Wednesday
Southwest winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Slight chance of thunderstorms early in the morning. Chance of showers through the day.
Wednesday Night
Northwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds.
Thursday
Northwest winds 5 to 10 knots becoming east late in the morning, then becoming southeast in the afternoon. Seas 1 to 3 feet. Dominant period 5 seconds.
Thursday Night
South winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 5 seconds.
Friday
South winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 4 seconds. Slight chance of showers in the morning, then showers likely in the afternoon.
Friday Night
Southwest winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 5 seconds. Chance of showers.
Saturday
Northwest winds 10 to 15 knots becoming northeast late in the afternoon. Seas 3 to 6 feet. Chance of showers.
Saturday Night
East winds 10 to 15 knots. Seas 3 to 5 feet. Chance of showers.
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ABOUT THIS FORECAST

Last Update: 341 PM CST Mon Dec 18 2017
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