Heavy rain and severe weather possible from the northern/central Plains to the Upper Midwest

Heavy rainfall and severe thunderstorms are expected across portions of the northern and central Plains, pushing eastward into the Upper Midwest by Wednesday. These severe thunderstorms may be capable of producing large hail and damaging winds, and possibly some tornadoes.
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Hazardous Weather Conditions

Last Update: 936 PM CDT Tue Jun 27 2017

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Brownsville, TX Local Forecast Office

26NM NNE Port Mansfield TX

Marine Zone Forecast


Synopsis: Weak high pressure over the Gulf and a low pressure trough along the Lower Texas coast to maintain a light easterly wind and slight seas through Wednesday. Strengthening southeast winds and building seas are anticipated for Thursday through Saturday as high pressure strengthens and low pressure over the Southern Plains deepens. Small Craft Advisories may be needed for portions of the waters Thursday night through Saturday. Good rain chances continue through Thursday with lower chances Friday and the weekend.

Rest Of Tonight
East winds around 15 knots shifting southeast 5 to 10 knots in the late evening and early morning, then becoming south early in the morning. Seas 2 to 4 feet with occasional seas up to 5 feet. Isolated thunderstorms early in the evening. Isolated showers through the night.
Wednesday
North winds up to 5 knots shifting northeast late in the morning, then shifting east early in the afternoon shifting southeast late in the afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet. Scattered showers and isolated thunderstorms.
Wednesday Night
Southeast winds 5 to 10 knots becoming south around 15 knots in the late evening and overnight. Seas 2 to 4 feet with occasional seas up to 5 feet. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight.
Thursday
South winds 10 to 15 knots becoming southeast around 20 knots in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon.
Thursday Night
South winds around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Friday
Southeast winds around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Friday Night
Southeast winds around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Saturday
Southeast winds around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Saturday Night
Southeast winds around 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Sunday
Southeast winds around 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet.
Sunday Night
Southeast winds 10 to 15 knots increasing to around 20 knots after midnight. Seas 2 to 4 feet with occasional seas up to 5 feet.
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ABOUT THIS FORECAST

Last Update: 936 PM CDT Tue Jun 27 2017
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