407 WWUS74 KOUN 230402 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 1102 PM CDT Sat Aug 22 2026 OKZ021-022-033>039-043>048-050>052-TXZ083>090-240100- /O.UPG.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/ /O.NEW.KOUN.XH.W.0015.260823T1700Z-260824T0100Z/ Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Stephens- Coal-Cotton-Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan- Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Ryan, Coalgate, Kingston, Holliday, Durant, Knox City, Tishomingo, Thackerville, Walters, Marietta, Scotland, Ardmore, Burns Flat, Hollis, Sheppard AFB, Cordell, Atoka, Waurika, Altus, Sentinel, Sayre, Archer City, Crowell, Granite, Vernon, Ringling, Hobart, Quanah, Snyder, Lawton, Lakeside City, Madill, Frederick, Henrietta, Wichita Falls, Munday, Mangum, Seymour, Elk City, Duncan, and Temple 1102 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Portions of southeast, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From noon to 8 PM CDT Sunday. * 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. && $$ OKZ005-006-020-240100- /O.EXA.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/ Woods-Alfalfa-Payne- Including the cities of Stillwater, Alva, Carmen, Cherokee, and Helena 1102 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 106 expected. * WHERE...Payne, Alfalfa, and Woods Counties. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ009>012-014>019-023>032-040>042-240100- /O.CON.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/ Ellis-Woodward-Major-Garfield-Roger Mills-Dewey-Custer-Blaine- Kingfisher-Logan-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain- Cleveland-Pottawatomie-Seminole-Hughes-Garvin-Murray-Pontotoc- Including the cities of Shawnee, Watonga, Woodward, Lindsay, Blanchard, Wewoka, Gage, Taloga, Hinton, Yukon, Oklahoma City, Holdenville, Davis, Norman, El Reno, Davenport, Clinton, Leedey, Guthrie, Kingfisher, Seminole, Wetumka, Newcastle, Wellston, Tuttle, Fairview, Fargo, Enid, Concho, Chandler, Ada, Cheyenne, Vici, Okarche, Geary, Meeker, Pauls Valley, Moore, Seiling, Anadarko, Chickasha, Purcell, Okeene, Wynnewood, Sulphur, Mustang, Weatherford, Hammon, Shattuck, Prague, Stroud, Hennessey, and Arnett 1102 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, east central, northern, northwest, southeast, southern, southwest, and western Oklahoma. * WHEN...From noon to 8 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. && $$  570 WWUS74 KEWX 230406 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1106 PM CDT Sat Aug 22 2026 TXZ171>173-192>194-208-209-223-225-240000- /O.UPG.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/ /O.NEW.KEWX.XH.W.0003.260823T0406Z-260824T0000Z/ /O.NEW.KEWX.HT.Y.0008.260824T0000Z-260827T0000Z/ Llano-Burnet-Williamson-Travis-Bastrop-Lee-Caldwell-Fayette-Gonzales- Lavaca- Including the cities of Lockhart, Bastrop, Burnet, Austin, La Grange, Hallettsville, Llano, Gonzales, Georgetown, and Giddings 1106 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT SUNDAY... ...HEAT ADVISORY IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT WEDNESDAY... * WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Sunday afternoon. Temperatures up to 105 are expected Monday through Wednesday. * WHERE...Bastrop, Burnet, Caldwell, Fayette, Gonzales, Lavaca, Lee, Llano, Travis, and Williamson Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT Sunday. For the Heat Advisory, from 7 PM Sunday to 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ TXZ191-205>207-220>222-224-240000- /O.EXT.KEWX.HT.Y.0007.000000T0000Z-260827T0000Z/ Hays-Bexar-Comal-Guadalupe-Atascosa-Wilson-Karnes-De Witt- Including the cities of Cuero, Seguin, Karnes City, New Braunfels, Floresville, San Marcos, San Antonio, and Pleasanton 1106 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY... * WHAT...Temperatures up to 105 and heat index values up to 110 expected. * WHERE...Atascosa, Bexar, Comal, De Witt, Guadalupe, Hays, Karnes, and Wilson Counties. * WHEN...Until 7 PM CDT Wednesday. * 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. && $$ TXZ187-189-190-204-219-240000- /O.CON.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/ Bandera-Kendall-Blanco-Medina-Frio- Including the cities of Hondo, Pearsall, Bandera, Boerne, and Blanco 1106 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY... * WHAT...Temperatures up to 105 and heat index values up to 107 expected. * WHERE...Bandera, Blanco, Frio, Kendall, and Medina Counties. * WHEN...Until 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ Tran  105 WWUS74 KCRP 230412 NPWCRP URGENT - WEATHER MESSAGE National Weather Service Corpus Christi TX 1112 PM CDT Sat Aug 22 2026 TXZ230>234-241>247-342>344-346-347-240100- /O.NEW.KCRP.HT.Y.0014.260823T1700Z-260824T0100Z/ McMullen-Live Oak-Bee-Goliad-Victoria-Jim Wells-Inland Kleberg- Inland Nueces-Inland San Patricio-Coastal Aransas-Inland Refugio- Inland Calhoun-Coastal Kleberg-Coastal Nueces-Coastal San Patricio-Coastal Refugio-Coastal Calhoun- Including the cities of Woodsboro, Bloomington, Taft, Rockport, Port O Connor, Skidmore, Pettus, Refugio, Austwell, George West, Orange Grove, Portland, Aransas Pass, Port Lavaca, Bishop, Cross, Loma Alta, Tilden, Ricardo, Sinton, Goliad, Odem, Robstown, Kingsville, Loyola Beach, Fulton, Premont, Riviera, Ingleside, Pawnee, Corpus Christi, Three Rivers, Tuloso, Long Mott, Flour Bluff, Holiday Beach, Beeville, Victoria, Bayside, Alice, Seadrift, Calliham, and Mathis 1112 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 113 expected. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Live Oak, McMullen, and Victoria Counties. * WHEN...From noon to 8 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. && $$ LS  452 WWUS74 KHGX 230423 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1123 PM CDT Sat Aug 22 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436>439-231700- /O.EXT.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 Crockett, Huntsville, Conroe, Trinity, Bellville, Devers, El Campo, Corrigan, Groveton, College Station, Mont Belvieu, Mission Bend, First Colony, Clute, Rosenberg, Livingston, Caldwell, La Marque, Houston, Cleveland, Galveston, Waller, Brenham, Friendswood, Sugar Land, Sealy, Shepherd, Dickinson, Winnie, Liberty, Surfside Beach, Missouri City, Wharton, The Woodlands, Bryan, Pecan Grove, Baytown, Ganado, Lake Jackson, Columbus, Stowell, Old River-Winfree, Palacios, Eagle Lake, Edna, Pearland, Coldspring, Angleton, Somerville, Weimar, Freeport, Alvin, Prairie View, Bay City, Texas City, Brookshire, Pasadena, Anahuac, League City, Hempstead, Dayton, Navasota, and Madisonville 1123 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY NOW 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. && $$  533 WWUS74 KAMA 230426 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 1126 PM CDT Sat Aug 22 2026 TXZ019-020-231800- /O.UPG.KAMA.HT.Y.0043.260823T1700Z-260824T0200Z/ /O.EXA.KAMA.XH.W.0007.260823T1700Z-260824T0100Z/ Donley-Collingsworth- Including the cities of Wellington, Dozier, Samnorwood, Lutie, and Clarendon 1126 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 110 expected. * WHERE...Collingsworth and Donley Counties. * WHEN...From noon to 8 PM CDT Sunday. * 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. 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. Stay cool, stay hydrated, stay informed. && $$ TXZ317-231800- /O.CON.KAMA.XH.W.0007.260823T1700Z-260824T0100Z/ Palo Duro Canyon- Including the cities of Palo Duro Canyon State Park 1126 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 110 expected. * WHERE...Palo Duro Canyon State Park. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed. && $$ TXZ004-005-008>010-012>015-017-018-231800- /O.EXT.KAMA.HT.Y.0043.260823T1700Z-260824T0100Z/ Ochiltree-Lipscomb-Hutchinson-Roberts-Hemphill-Potter-Carson-Gray- Wheeler-Randall-Armstrong- Including the cities of Shamrock, Lela, Canyon, Higgins, Perryton, Lake Marvin, Pampa, Panhandle, Wheeler, Claude, Goodnight, Twitty, Briscoe, Washburn, Borger, Pantex, Waka, Wolf Creek Park, Miami, Bushland, Codman, Kingsmill, Follett, Buffalo Lake, Wayside, Booker, Glazier, Umbarger, White Deer, Canadian, Amarillo, Skellytown, Lora, and Farnsworth 1126 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY NOW IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Temperatures between 105 to 109 degrees. * WHERE...A portion of the eastern and central Texas Panhandle. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures 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. 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. && $$ Ward  810 WWUS74 KFWD 230434 NPWFWD URGENT - WEATHER MESSAGE National Weather Service Fort Worth TX 1134 PM CDT Sat Aug 22 2026 TXZ095-129-135-141>143-147-148-156>158-160>162-174-175-231800- /O.UPG.KFWD.HT.Y.0028.260823T1700Z-260824T0200Z/ /O.EXA.KFWD.XH.W.0003.260823T1700Z-260824T0200Z/ Lamar-Eastland-Henderson-Comanche-Mills-Hamilton-Freestone-Anderson- Lampasas-Coryell-Bell-Falls-Limestone-Leon-Milam-Robertson- Including the cities of Oakwood, Eastland, Calvert, Wortham, Franklin, Hico, Temple, Buffalo, Cisco, Ranger, Goldthwaite, Centerville, Hearne, Jewett, Gun Barrel City, Copperas Cove, Gatesville, Fort Hood, Marlin, Mexia, Comanche, Killeen, Teague, Lampasas, Normangee, Hamilton, Gorman, Rockdale, Palestine, Fairfield, Athens, Groesbeck, De Leon, Cameron, and Paris 1134 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 9 PM CDT SUNDAY... * WHAT...Dangerously hot conditions with high temperatures up to 109 expected. * WHERE...North and Central Texas. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and neighbors. Never leave young children or pets in an enclosed vehicle, even for a short time, as temperatures can quickly rise to life-threatening levels. Know the signs and symptoms of heat exhaustion and heat stroke. To reduce risk when outdoors, 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 911 ASAP if you or someone you know is exhibiting signs of heat stroke. Extreme heat is dangerous, especially for those without reliable shelter. Limit time outdoors during the hottest time of the day, typically from 2 to 7 PM, rest in the shade when possible, and drink plenty of water. Locate nearby cooling centers through local resources or dial 2-1-1 in Texas. && $$ TXZ091>094-100>107-115>123-130>134-144>146-159-231800- /O.CON.KFWD.XH.W.0003.260823T1700Z-260824T0200Z/ Montague-Cooke-Grayson-Fannin-Young-Jack-Wise-Denton-Collin-Hunt- Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas-Rockwall- Kaufman-Van Zandt-Rains-Erath-Hood-Somervell-Johnson-Ellis-Bosque- Hill-Navarro-McLennan- Including the cities of Bonham, Forney, Emory, Midlothian, Frisco, Plano, Briar, Grand Saline, Dublin, Waco, McKinney, Cooper, Ennis, Weatherford, Hillsboro, Allen, Lewisville, Wills Point, Greenville, Nocona, Jacksboro, East Tawakoni, Flower Mound, Point, Dallas, Graham, Gainesville, Canton, Burleson, Kaufman, Meridian, Heath, Denison, Terrell, Sherman, Sulphur Springs, Commerce, Mineral Wells, Rockwall, Valley Mills, Olney, Granbury, Decatur, Bridgeport, Glen Rose, Clifton, Breckenridge, Stephenville, Denton, Carrollton, Fort Worth, Oak Trail Shores, Waxahachie, Corsicana, Van, Arlington, Bowie, Cleburne, and Edgewood 1134 PM CDT Sat Aug 22 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 9 PM CDT SUNDAY... * WHAT...Dangerously hot conditions with high temperatures up to 109 expected. * WHERE...North and Central Texas. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and neighbors.Never leave young children or pets in an enclosed vehicle, even for a short time, as temperatures can quickly rise to life-threatening levels. Know the signs and symptoms of heat exhaustion and heat stroke. To reduce risk when outdoors, 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 911 ASAP if you or someone you know is exhibiting signs of heat stroke. Extreme heat is dangerous, especially for those without reliable shelter. Limit time outdoors during the hottest time of the day, typically from 2 to 7 PM, rest in the shade when possible, and drink plenty of water. Locate nearby cooling centers through local resources or dial 2-1-1 in Texas. && $$ Fenske  940 WWUS74 KTSA 230439 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1139 PM CDT Sat Aug 22 2026 ARZ129-219-220-OKZ049-053-060-061-064>067-070-071-073>075-176-272- 231800- /O.NEW.KTSA.HT.Y.0042.260823T1700Z-260824T0100Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Pushmataha-Choctaw-Tulsa-Rogers-Creek-Okfuskee- Okmulgee-Wagoner-Muskogee-McIntosh-Pittsburg-Haskell-Latimer- Northern Le Flore-Central and Southern Sequoyah- Including the cities of Antlers, Checotah, Arkoma, Cravens, McAlester, Van Buren, Ozark, Wilburton, Lonelm, Wagoner, Sallisaw, Stigler, Okmulgee, Charleston, Cecil, Claremore, Watalula, Hugo, Pocola, Spiro, Tulsa, Jethro, Okemah, Panama, Muskogee, Clayton, Fort Smith, and Sapulpa 1139 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$  061 WWUS76 KSGX 230443 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 943 PM PDT Sat Aug 22 2026 CAZ061-062-065-231315- /O.CON.KSGX.XH.W.0008.000000T0000Z-260829T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Indio, Coachella, Palm Springs, Palm Desert Country, Cathedral City, La Quinta, Palm Desert, and Borrego Springs 943 PM PDT Sat Aug 22 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with temperatures of 110 to 117. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal will limit relief from the heat. 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. && $$ CAZ048-050-056>058-554-231315- /O.CON.KSGX.HT.Y.0010.000000T0000Z-260825T1700Z/ /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Riverside County Mountains-Santa Ana Mountains and Foothills-San Diego County Mountains-Orange County Inland Areas- Including the cities of Poway, Santee, Fontana, Orange, Escondido, San Bernardino, Santa Ana, Garden Grove, Ontario, San Marcos, Anaheim, Fullerton, Mission Viejo, Pine Valley, Idyllwild-Pine Cove, Corona, Irvine, Julian, Moreno Valley, Riverside, La Mesa, El Cajon, and Rancho Cucamonga 943 PM PDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Temperatures 90 to 98 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 100 to 107 for the Inland Empire and 89 to 100 in the mountains. Temperatures increase slightly for the middle and end of next week, making for a prolonged and dangerous stretch of heat. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Increasing temperatures into the middle of next week will increase the threat of heat-related illness across populations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ055-231315- /O.CON.KSGX.HT.Y.0010.000000T0000Z-260825T1700Z/ /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Bernardino County Mountains- Including the cities of Running Springs, Crestline, Wrightwood, Big Bear Lake, Big Bear City, and Lake Arrowhead 943 PM PDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Temperatures 90 to 97. * WHERE...San Bernardino County Mountains above 6000 ft. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantlyduring extreme heat events. Hot temperatures 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. && $$ CAZ043-552-231315- /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of San Diego, Costa Mesa, San Clemente, Carlsbad, Newport Beach, Huntington Beach, Encinitas, Vista, Laguna Beach, National City, Oceanside, and Chula Vista 943 PM PDT Sat Aug 22 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Temperatures 85 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight lows around 5 to 7 degrees above normal will limit relief from the heat, especially for those without adequate cooling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ060-231315- /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ Apple and Lucerne Valleys- Including the cities of Hesperia, Lucerne Valley, Apple Valley, and Victorville 943 PM PDT Sat Aug 22 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures up to 108 possible and limited nighttime cooling. * WHERE...Apple and Lucerne Valleys. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. 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. && $$ SS  500 WWUS74 KMOB 230454 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 1154 PM CDT Sat Aug 22 2026 MSZ067-075-076-078-079-231300- /O.CON.KMOB.HT.Y.0019.260823T1600Z-260824T0100Z/ Wayne-Perry-Greene-Stone-George- Including the cities of Richton, Wiggins, Leakesville, McLain, Lucedale, Waynesboro, New Augusta, and Beaumont 1154 PM CDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to around 108 expected. * WHERE...George, Greene, Perry, Stone, and Wayne Counties. * WHEN...From 11 AM to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$