WWUS74 KTSA 141556 NPWTSA Heat Advisory National Weather Service Tulsa OK 1056 AM CDT Mon Sep 14 2026 ARZ129-219-220-229-OKZ049-053-055>067-070-071-073>075-154-172-176-254-272-276-354-376 /O.CON.KTSA.HT.Y.0059.260914T1700Z-260915T0000Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Washington-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-Northern Sequoyah-Northern Le Flore-Northeast Osage-Central and Southern Sequoyah-Central Le Flore-Southeast Osage-Southern Le Flore ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM CDT TUESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. 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..