National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Hazardous Weather Conditions

Freeze Warning in effect from January 25, 09:00 PM CST until January 26, 10:00 AM CST
Extreme Cold Warning in effect from January 26, 03:00 AM CST until January 26, 08:00 AM CST

Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Overcast

54°F

12°C

Humidity	87%
Wind Speed	N 16 mph
Barometer	29.86 in (1011.2 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	24 Jan 3:53 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Port Isabel TX

Freeze Warning January 25, 09:00pm until January 26, 10:00am

Extreme Cold Warning January 26, 03:00am until January 26, 08:00am

Click here for hazard details and duration

Freeze Warning

Extreme Cold Warning

This Afternoon
High: 67 °F
Slight Chance
T-storms
Tonight
Low: 48 °F
Chance
Showers
Sunday
High: 54 °F
Mostly Cloudy
and Breezy
Sunday Night
Low: 36 °F
Mostly Cloudy
and Breezy
Monday
High: 49 °F
Breezy.
Slight Chance
Rain/Snow
then Partly
Sunny
Monday Night
Low: 43 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Tuesday
High: 60 °F
Partly Sunny
Tuesday Night
Low: 56 °F
Mostly Cloudy
Wednesday
High: 64 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms before 5pm. Cloudy, with a steady temperature around 67. North northwest wind around 16 mph, with gusts as high as 21 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 8pm. Cloudy, with a low around 48. Northwest wind 14 to 17 mph, with gusts as high as 22 mph.

Sunday

Mostly cloudy, with a high near 54. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 29 mph.

Sunday Night

Mostly cloudy, with a low around 36. Wind chill values between 26 and 31. Breezy, with a north northwest wind 22 to 24 mph, with gusts as high as 29 mph.

Monday

A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and noon. Partly sunny, with a high near 49. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Monday Night

Mostly cloudy, with a low around 43. Breezy, with a north wind 11 to 18 mph, with gusts as high as 23 mph.

Tuesday

Partly sunny, with a high near 60. North northwest wind around 10 mph becoming east in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 56. East southeast wind around 8 mph.

Wednesday

A 30 percent chance of showers. Mostly cloudy, with a high near 64. North wind 7 to 14 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 56. North northeast wind around 11 mph.

Thursday

A 20 percent chance of showers. Partly sunny, with a high near 65. North northeast wind 10 to 14 mph becoming east in the afternoon.