Active Weather Alerts
Extreme Heat Warning
Issued: 12:12 AM Jun. 18, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 117 expected. * WHERE...Duval, La Salle, McMullen, and Webb Counties. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. &&
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