242 WWUS75 KVEF 222231 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 331 PM PDT Sat Aug 22 2026 AZZ002-570-571-576-CAZ522-527-NVZ020-025-026-231215- /O.CON.KVEF.XH.W.0004.000000T0000Z-260824T0300Z/ Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ side-Northwest Deserts-Death Valley National Park-San Bernardino County-Upper Colorado River Valley-Las Vegas Valley-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of Golden Valley, South Cove, Needles, Desert Hills, Valentine, Hoover Dam, Furnace Creek, Dolan Springs, Stovepipe Wells, Kingman, Las Vegas, Topock, Temple Bar, Lake Havasu City, Bullhead City, Shoshone, North Las Vegas, Wikieup, Yucca, Henderson, Laughlin, and Boulder City 331 PM PDT Sat Aug 22 2026 /331 PM MST Sat Aug 22 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 115 to 118 degrees expected through Death Valley and the lower Colorado River Valley, with highs between 107 to 110 degrees elsewhere. Near record warm low temperatures expected in urban areas. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Northwest Deserts, Death Valley National Park, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat 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. 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. Monitor the latest forecasts and warnings for updates. && $$ Stessman  687 WWUS74 KEWX 222240 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 540 PM CDT Sat Aug 22 2026 TXZ187-189-190-204-219-232100- /O.EXA.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/ Bandera-Kendall-Blanco-Medina-Frio- Including the cities of Boerne, Pearsall, Blanco, Hondo, and Bandera 540 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... * WHAT...Temperatures up to 105 and heat index values up to 107 expected. * WHERE...Bandera, Blanco, Frio, Kendall, and Medina Counties. * WHEN...Until 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ TXZ171>173-191>194-205>209-220>225-232100- /O.CON.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/ Llano-Burnet-Williamson-Hays-Travis-Bastrop-Lee-Bexar-Comal- Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales-DeWitt- Lavaca- Including the cities of New Braunfels, San Marcos, Giddings, Bastrop, Llano, Pleasanton, Cuero, Georgetown, La Grange, Karnes City, San Antonio, Gonzales, Hallettsville, Floresville, Lockhart, Austin, Burnet, and Seguin 540 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY... * WHAT...Temperatures up to 105 and heat index values up to 111 expected. * WHERE...I-35 Corridor, Coastal Plains, and portions of the Hill Country. * WHEN...Until 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. && $$ Tran