WWUS74 KTSA 191834 NPWTSA Heat Advisory National Weather Service Tulsa OK 134 PM CDT Sun Jul 19 2026 ARZ129-219-220-229-OKZ055>058-060>068-070-071-073>075-176-254-272-276-354 /O.CON.KTSA.HT.Y.0018.000000T0000Z-260720T0100Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Southern Sebastian-Washington-Nowata-Craig-Ottawa-Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Northern Le Flore-Northeast Osage-Central and Southern Sequoyah-Central Le Flore-Southeast Osage ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT MONDAY... * WHAT...Heat index values 105 to 110 degrees expected today and Monday. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...Heat Advisory until 8 PM CDT this evening and from 1 PM to 8 PM CDT Monday. * 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..