Central U.S. Severe Storms and Heavy Rain; Western Fire Weather Threats

A strong system will produce a swath of impacts. Severe storms with large hail, damaging winds, and a couple of tornadoes will be possible in the south and central Plains. Heavy rain could cause flash flooding in the Mid Mississippi Valley. Mountain snow will develop in the Rockies. Critical fire weather threats are expected across northern California and the Southwest.
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Last Update: 938 PM CDT Fri May 7 2021

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Synopsis: The pressure gradient has already begun to strengthen tonight as low pressure develops across the Plains and high pressure moves eastward across the Southeast. This will allow southeast winds to increase and seas to build Saturday into Sunday. Small Craft Advisories will likely be needed this weekend. Elevated seas continue into mid next week, especially across offshore Gulf of Mexico waters.

Rest Of Tonight

Southeast winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight.

Saturday

Southeast winds 15 to 20 knots. Choppy on the bay.

Saturday Night

Southeast winds 15 to 25 knots. Rough on the bay.

Sunday

South winds 15 to 25 knots shifting southeast 20 to 25 knots in the afternoon. Rough on the bay.

Sunday Night

South winds 15 to 20 knots. Choppy on the bay.

Monday

Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. A moderate chop on the bay building to choppy in the afternoon.

Monday Night

Southeast winds 10 to 15 knots. A moderate chop on the bay.

Tuesday

Southeast winds 10 to 15 knots. A moderate chop on the bay.

Tuesday Night

Southeast winds 10 to 15 knots. A moderate chop on the bay. Chance of showers and thunderstorms.

Wednesday

Southeast winds 10 to 15 knots diminishing to 5 to 10 knots in the afternoon. A moderate chop on the bay subsiding to a light chop in the afternoon. Chance of showers and thunderstorms.

Wednesday Night

Northeast winds 5 to 10 knots. A light chop on the bay. Chance of showers and slight chance of thunderstorms.