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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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]

Overnight

SSE 24km/h
< 1m
Low: 24 °C
Saturday

SSE 40km/h
< 1m
High: 28 °C
Saturday
Night
SSE 37km/h
< 1m
Low: 24 °C
Sunday

SSE 42km/h
1m
High: 29 °C
Sunday
Night
SSE 34km/h
1m
Low: 25 °C
Monday

SSE 32km/h
1m
High: 29 °C
Monday
Night
SE 29km/h
1m
Low: 25 °C
Tuesday

SE 27km/h
1m
High: 29 °C
Tuesday
Night
SE 26km/h
1m
Low: 25 °C

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:18 am CDT May 8, 2021
Forecast Valid: 2am CDT May 8, 2021-6pm CDT May 14, 2021

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Detailed Forecast

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.

Overnight

SSE wind 21 to 24 km/h, with gusts as high as 35 km/h. Mostly cloudy. Seas 1 m or less.

Saturday

SSE wind 18 to 28 km/h increasing to 30 to 40 km/h. Winds could gust as high as 50 km/h. Partly sunny. Seas 1 m or less.

Saturday Night

SSE wind 35 to 37 km/h, with gusts as high as 48 km/h. Mostly cloudy. Seas 1 m or less.

Sunday

SSE wind 34 to 42 km/h, with gusts as high as 60 km/h. Mostly sunny. Seas around 1 m.

Sunday Night

SSE wind 27 to 34 km/h, with gusts as high as 45 km/h. Increasing clouds. Seas around 1 m.

Monday

SSE wind 26 to 32 km/h, with gusts as high as 42 km/h. Mostly cloudy. Seas around 1 m.

Monday Night

SE wind 23 to 29 km/h, with gusts as high as 40 km/h. Mostly cloudy. Seas around 1 m.

Tuesday

SE wind 24 to 27 km/h, with gusts as high as 39 km/h. Mostly cloudy. Seas around 1 m.

Tuesday Night

SE wind 18 to 26 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms. Seas around 1 m.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.