692 WWUS74 KHGX 231149 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 649 AM CDT Sun Aug 23 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338-436>439-240000- /O.CON.KHGX.HT.Y.0008.000000T0000Z-260825T0000Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of First Colony, Anahuac, Old River-Winfree, Trinity, Wharton, Pasadena, League City, Winnie, Rosenberg, Clute, The Woodlands, Coldspring, La Marque, Friendswood, Madisonville, Huntsville, Edna, Texas City, Sealy, Missouri City, Hempstead, Liberty, Freeport, Waller, Devers, Brookshire, Columbus, Bellville, Sugar Land, Dayton, Mission Bend, Angleton, Pearland, Groveton, Stowell, Ganado, Dickinson, Houston, Corrigan, Surfside Beach, Shepherd, Bay City, College Station, Caldwell, Somerville, Alvin, Cleveland, El Campo, Bryan, Navasota, Galveston, Eagle Lake, Prairie View, Brenham, Mont Belvieu, Lake Jackson, Pecan Grove, Baytown, Weimar, Conroe, Crockett, Livingston, and Palacios 649 AM CDT Sun Aug 23 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY... * WHAT...Peak heat index values of 106 to 112 and temperatures generally in the 100 to 104 range in the afternoons. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Locally higher heat index values are possible. If forecast heat indices and or temperatures trend higher, then an Excessive Heat Warning may be warranted. 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. 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. && $$