National Weather Service United States Department of Commerce

Threat of flash flooding continues on Sunday for Southern Plains and Inter-Mountain West

High levels of moisture still remain in portions of the Southern Plains and Inter-Mountain West on Sunday. This will continue the threat of locally heavy rainfall for one more day. Isolated locations could receive 1-2 inches of additional rainfall on Sunday. The areal coverage of these storms should be less than previous days.
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Current Conditions

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Port Isabel TX

7 Day Forecast

For More Weather Information:

Brownsville, TX Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 89 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 80 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 88 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 78 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 88 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 78 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 89 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 77 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 87 °F

Detailed Forecast

  • Today A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Light north northeast wind becoming east northeast 8 to 13 mph in the morning.
  • Tonight Partly cloudy, with a low around 80. East wind 9 to 13 mph.
  • Monday Mostly sunny, with a high near 88. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. East northeast wind 9 to 15 mph.
  • Tuesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. East northeast wind 10 to 14 mph.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. East wind 9 to 14 mph.
  • Wednesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
  • Wednesday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
  • Thursday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
  • Thursday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
  • Friday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
  • Friday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
  • Saturday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.