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: 1028 AM CST Mon Dec 18 2017

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Brownsville, TX Local Forecast Office

26NM NNE Port Mansfield TX

Marine Zone Forecast


Synopsis: Light winds and lower seas will persist through much of this week with weak high pressure becoming established over the Eastern Gulf. Winds today will become southeast as a coastal trough develops along the lower Texas coast. A weak front moves across the region tuesday night and Wednesday but with no appreciable increase in winds or seas. Another frontal boundary is expected by late Friday with increasing winds and seas not out of the question.

Rest Of Today
East winds 5 to 10 knots. Seas 2 to 4 feet. Chance of showers and isolated thunderstorms.
Tonight
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Isolated thunderstorms in the evening. Slight chance of showers through the night. Patchy fog after midnight.
Tuesday
South winds 10 to 15 knots. Seas 2 to 4 feet. Patchy fog in the morning. Slight chance of showers in the morning.
Tuesday Night
South winds 5 to 10 knots shifting west after midnight. Seas 2 to 4 feet. Patchy fog. Slight chance of showers.
Wednesday
Northeast winds 5 to 10 knots. Seas 2 to 4 feet.
Wednesday Night
East winds 5 to 10 knots shifting southeast after midnight. Seas 2 to 4 feet.
Thursday
South winds 10 to 15 knots. Seas 2 to 3 feet.
Thursday Night
South winds 15 to 20 knots. Seas 3 to 5 feet.
Friday
South winds 15 to 20 knots. Seas 3 to 5 feet. Chance of showers.
Friday Night
Northwest winds 15 to 20 knots shifting north after midnight. Seas 3 to 5 feet. Chance of showers.
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ABOUT THIS FORECAST

Last Update: 1028 AM CST Mon Dec 18 2017
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