National Weather Service United States Department of Commerce

Winter storm for Rockies and High Plains

A storm system over the northern Rockies will move eastward towards the High Plains by Christmas Day. The system will produce snow over parts of the Great Basin, Rockies and High Plains on Christmas. Some of the snow will be heavy, with hazardous travel conditions. Winter Storm Warnings and Winter Weather Advisories are in effect in these areas.
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Hazardous Weather Conditions

Current Conditions

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Port Isabel TX

7 Day Forecast

For More Weather Information:

Brownsville, TX Local Forecast Office

Christmas
Day

Breezy

Breezy

High: 71 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 64 °F

Friday

Breezy

Breezy

High: 74 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 68 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 75 °F

Saturday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 57 °F

Sunday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 59 °F

Sunday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 51 °F

Monday

Partly Sunny

Partly
Sunny

High: 66 °F

Detailed Forecast

  • Christmas Day Mostly sunny, with a high near 71. Breezy, with a south southeast wind 18 to 21 mph.
  • Tonight Mostly cloudy, with a low around 64. South southeast wind 15 to 17 mph, with gusts as high as 28 mph.
  • Friday Partly sunny, with a high near 74. Breezy, with a south wind 18 to 21 mph, with gusts as high as 26 mph.
  • Friday Night Mostly cloudy, with a low around 68. South southeast wind 14 to 17 mph, with gusts as high as 22 mph.
  • Saturday A 20 percent chance of showers. Mostly cloudy, with a high near 75. South wind 5 to 15 mph, with gusts as high as 20 mph.
  • Saturday Night A 50 percent chance of rain. Cloudy, with a low around 57. Light and variable wind becoming north northwest 10 to 15 mph in the evening. Winds could gust as high as 20 mph.
  • Sunday A 50 percent chance of rain. Cloudy, with a high near 59.
  • Sunday Night A 20 percent chance of rain. Mostly cloudy, with a low around 51.
  • Monday Partly sunny, with a high near 66.
  • Monday Night A 20 percent chance of showers. Mostly cloudy, with a low around 59.
  • Tuesday A 20 percent chance of showers. Mostly cloudy, with a high near 67.
  • Tuesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 57.
  • Wednesday A 40 percent chance of rain. Mostly cloudy, with a high near 63. Breezy.