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🟡 Moderate

Heat Advisory

Aransas Islands; Kleberg Islands; Nueces Islands; Calhoun Islands

Heat Advisory issued June 18 at 1:09PM CDT until June 19 at 8:00PM CDT by NWS Corpus Christi TX

Alert Description

* WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 112 expected. * WHERE...Aransas Islands, Calhoun Islands, Kleberg Islands, and Nueces Islands Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Safety Instructions

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Time Information

Effective
Jun 19, 2026, 4:00 PM
Expires
Jun 19, 2026, 2:15 AM
Issued
Jun 18, 2026, 6:09 PM

Alert Details

Severity
Moderate
Urgency
Expected
Certainty
Likely
Category
Met

Issued By

NWS Corpus Christi TX
National Weather Service

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