Weather Alerts For Yorktown, TX

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 115 expected. WHERE The I-35 corridor, Coastal Plains, and southern Rio Grande Plains. WHEN From noon to 8 PM CDT Thursday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ADDITIONAL DETAILS Conditions Thursday will be more extreme than the heat so far this summer. The risk of heat related illnesses will be higher with little time to adjust to the extreme heat. ISSUED AT Wednesday, June 17, 2026 at 3:42 PM CDT ISSUED BY National Weather Service Austin/San Antonio TX HEADER URGENT - WEATHER MESSAGE # 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 or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. # AREAS AFFECTED -------------------- Guadalupe, Karnes, Atascosa, Bastrop, Bexar, Caldwell, Comal, De Witt, Dimmit, Fayette, Frio, Gonzales, Hays, Lavaca, Lee, Maverick, Medina, Travis, Uvalde, Williamson, Wilson, Zavala Including the cities of San Antonio, Karnes City, Crystal City, San Marcos, Seguin, Gonzales, Pearsall, Eagle Pass, Floresville, Bastrop, La Grange, Hondo, Lockhart, New Braunfels, Uvalde, Austin, Giddings, Carrizo Springs, Georgetown, Cuero, Hallettsville, and Pleasanton