Duval County, TX

Alerts

Advisory Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Wednesday 07/22 12:00 PM CDT – Wednesday 07/22 8:00 PM CDT

Issued by NWS Corpus Christi TX

What

Heat index values up to 110 expected.

Where

Bee, Coastal Calhoun, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, Victoria, and Webb Counties.

When

From noon to 8 PM CDT Wednesday.

Impacts

Hot temperatures and high humidity may cause heat illnesses.

What to Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Areas Impacted

  • La Salle
  • McMullen
  • Live Oak
  • Bee
  • Goliad
  • Victoria
  • Webb
  • Duval
  • Jim Wells
  • Inland Kleberg
  • Inland Nueces
  • Inland San Patricio
  • Inland Refugio
  • Inland Calhoun
  • Coastal Calhoun

Tips to Stay Safe

A Heat Advisory means dangerous heat conditions are happening now or soon. Take action before, during and after the heat to stay safe. 

  • Stay in air-conditioned spaces if possible. Find cooling centers or places with AC in your community that you can go to, like libraries or shopping malls. 
  • Stay hydrated and stock up on clean drinking water to get you through multiple days of heat.
  • Reschedule outdoor activities for cooler times of the day, and take breaks in the shade or air conditioning.
  • Cover windows with curtains or shades, or use window reflectors designed to reflect heat back outside. 
  • Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone. 

Make sure you know the signs of heat-related illness and how to respond.

Briefings

No recent briefing available

From the Forecaster

Nueces & Frio Flooding

Created by the NWS Corpus Christi WFO

The Nueces River at Cotulla is currently in Major flood stage with a crest near 28 ft expected overnight. The Frio River at Tilden is expected to enter into minor flood stage early Tuesday and cresting in Major Flood Stage later Tuesday.

National Weather Service graphic titled "Nueces and Frio River Flooding: Tilden & Cotulla" issued July 21, 2026. A summary note explains that The Nueces River at Cotulla is currently in Major flood stage (~25 ft) and is forecast to crest overnight near 28 ft. For the Frio River at Tilden, the river continues to sharply rise (21ft), and is expected to rise into Minor Flood Stage (22 ft) in the next few hours, with a crest in Major flood stage (28 ft) early Wednesday morning before falling back to Minor Thursday. Two hydrographs show observed and forecast river stages: the Nueces River graph shows a sharp rise peaking around 26 feet on July 21–22 before gradually receding; the Frio River graph shows a current reading of 21.3 feet rising sharply to a peak near 28.1 feet on July 22. A note states the forecast is based on upstream crests and maximum discharge values.
Corpus Christi Area Forecast Discussion

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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See the detailed risk analysis

Weather Forecasting Office

Corpus Christi Forecast Office

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