WWUS74 KTSA 030042 NPWTSA Heat Advisory National Weather Service Tulsa OK 742 PM CDT Wed Sep 2 2026 ARZ129-219-220-229-OKZ055>058-060>062-066-067-070-071-074-176-254-272-276-354 /O.CON.KTSA.HT.Y.0050.260903T1700Z-260904T0000Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Southern Sebastian-Washington-Nowata-Craig-Ottawa-Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Haskell-Northern Le Flore-Northeast Osage-Central and Southern Sequoyah-Central Le Flore-Southeast Osage ...HEAT ADVISORY FOR TODAY WILL EXPIRE AT 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM CDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 7 PM CDT Thursday. * 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..