322 WWUS75 KTWC 241000 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 300 AM MST Mon Aug 24 2026 AZZ501-502-504>506-509-242300- /O.CON.KTWC.XH.W.0006.000000T0000Z-260830T0300Z/ Western Pima County-Tohono O'odham Nation-Tucson Metro Area-South Central Pinal County-Southeast Pinal County-Upper Gila River Valley- Including the cities of Vail, Marana, Organ Pipe Cactus N.M., Sells, Mammoth, Clifton, Tucson, Oracle, Green Valley, Picacho Peak State Park, Safford, and Ajo 300 AM MST Mon Aug 24 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY... * WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected through Tuesday and then widespread Major to Extreme HeatRisk Wednesday through Saturday. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water. && $$ AZZ503-507-508-242300- /O.CON.KTWC.XH.W.0006.260825T1700Z-260830T0300Z/ Upper Santa Cruz River Valley/Altar Valley-Upper San Pedro River Valley-Eastern Cochise County below 5000 feet- Including the cities of Douglas, Sierra Vista, Benson, Willcox, and Nogales 300 AM MST Mon Aug 24 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST SATURDAY... * WHAT...Dangerously hot conditions with temperatures 98 to 104 degrees expected. Overnight lows 71 to 78 degrees. Major HeatRisk is expected Tuesday through Saturday with isolated Extreme HeatRisk. * WHERE...Eastern Cochise County below 5000 feet, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...From 10 AM Tuesday to 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water. && $$ GEL  221 WWUS74 KSJT 241032 NPWSJT URGENT - WEATHER MESSAGE National Weather Service San Angelo TX 532 AM CDT Mon Aug 24 2026 TXZ049-054-098-099-113-114-127-128-241845- /O.CON.KSJT.XH.W.0002.260824T1800Z-260825T0000Z/ Fisher-Nolan-Haskell-Throckmorton-Jones-Shackelford-Taylor-Callahan- Including the cities of Woodson, Funston, Stith, Irby, Throckmorton, Rotan, Clyde, Albany, Truby, Stamford, Haskell, Sweetwater, Hamlin, Abilene, Roby, Anson, Dudley, Baird, Tuxedo, Eula, and Cross Plains 532 AM CDT Mon Aug 24 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with temperatures of 109 to 112 expected. * WHERE...The Big Country area in west-central Texas. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * 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. && $$ TXZ064>066-071>073-139-140-154-155-170-241845- /O.CON.KSJT.HT.Y.0019.260824T1800Z-260825T0000Z/ Sterling-Coke-Runnels-Irion-Tom Green-Concho-Coleman-Brown- McCulloch-San Saba-Mason- Including the cities of Sterling City, Pontotoc, Rochelle, Loyal Valley, Live Oak, Arden, Voss, Indian Creek, Pumphrey, Fisk, Harkeyville, Eden, Silver, Ballinger, Mertzon, Chappel, Carlsbad, Voca, Brownwood, Tennyson, Coleman, Barnhart, Brady, Rowena, Echo, Winters, Benoit, Bronte, Katemcy, Lohn, Streeter, Robert Lee, Fredonia, San Saba, Wall, Lowake, Cherokee, Crews, Trickham, Fife, Koockville, Broome, Sanco, Valera, San Angelo, Hatchel, Mason, Sherwood, and Paint Rock 532 AM CDT Mon Aug 24 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING... * WHAT...Temperatures and heat index values of 105 to 109 expected. * WHERE...The Concho Valley, Heartland, and portions of the Northwest Hill Country. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that hot weather conditions are occurring or expected. This will create a situation in which heat illnesses are possible. Never, ever, leave children or pets alone in enclosed vehicles, not even for a few minutes. Car interiors can reach lethal temperatures in a matter of minutes. Stay indoors and seek air-conditioned buildings. Drink water more than usual, and avoid dehydrating alcoholic, sugary, or caffeinated drinks. Dress for the heat by wearing lightweight and light colored clothing. Eat small meals and eat more often. Monitor those with a higher vulnerability to heat, including small children. Check in on family, friends, and neighbors, especially the elderly. If engaging in outdoor activity, take longer and more frequent breaks and avoid the hottest parts of the day. && $$ SN