777 WWUS74 KTSA 141731 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1231 PM CDT Fri Aug 14 2026 OKZ055>064-066-067-070-154-254-354-150545- /O.CON.KTSA.XH.W.0012.000000T0000Z-260815T0100Z/ /O.CON.KTSA.HT.Y.0035.260815T0100Z-260817T0100Z/ Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes- Delaware-Creek-Okmulgee-Wagoner-Muskogee-Western Osage-Northeast Osage-Southeast Osage- Including the cities of Bartlesville, Nowata, Miami, Tulsa, Okmulgee, Wagoner, Muskogee, Shidler, Claremore, Fairfax, Pawhuska, Sapulpa, Hominy, Vinita, Pryor, Grove, Jay, and Pawnee 1231 PM CDT Fri Aug 14 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT SUNDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of east central and northeast Oklahoma. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. * ADDITIONAL DETAILS...Effects from this extended heat can accumulate over the days, especially for those with limited access to air conditioning given how warm the nights are staying. It is important to check in on those vulnerable to 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. 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. && $$ ARZ001-002-010-011-119-120-129-219-229-OKZ049-053-065-068-069-071-073>075-172-176-272-276-376-150545- /O.CON.KTSA.HT.Y.0035.000000T0000Z-260817T0100Z/ Benton-Carroll-Washington AR-Madison-Northern Crawford-Northern Franklin-North and Central Sebastian-Southern Crawford-Southern Sebastian-Pushmataha-Choctaw-Okfuskee-Cherokee-Adair-McIntosh- Pittsburg-Haskell-Latimer-Northern Sequoyah-Northern Le Flore- Central and Southern Sequoyah-Central Le Flore-Southern Le Flore- Including the cities of Pocola, Tahlequah, Stigler, Poteau, Van Buren, Eureka Springs, Paradise, Clayton, Marble City, McAlester, Checotah, Spiro, Antlers, Springdale, Mansfield, Stilwell, Mountainburg, Talihina, Rogers, Barnes, Fort Smith, Huntsville, Berryville, Hartford, Bentonville, Huntington, Okemah, Patterson, Arkoma, Sallisaw, Panama, Liberty, Fayetteville, Hugo, and Wilburton 1231 PM CDT Fri Aug 14 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SUNDAY... * WHAT...Heat index values up to 110. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ARZ220-150545- /O.CON.KTSA.HT.Y.0036.000000T0000Z-260817T0100Z/ Central and Southern Franklin- Including the cities of Ozark, Cecil, Lonelm, Cravens, Charleston, Watalula, and Jethro 1231 PM CDT Fri Aug 14 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SUNDAY... * WHAT...Heat index values up to 113. * WHERE...Central and Southern Franklin County. * WHEN...Until 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. && $$