WWUS74 KTSA 110353 NPWTSA Heat Advisory National Weather Service Tulsa OK 1053 PM CDT Fri Jul 10 2026 ARZ129-219-220-OKZ060-066-067-070-071-073-074-176-272 /O.CON.KTSA.HT.Y.0017.260711T1800Z-260712T0100Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Tulsa-Okmulgee-Wagoner-Muskogee-McIntosh-Pittsburg-Haskell-Northern Le Flore-Central and Southern Sequoyah ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY... * WHAT...Heat index values up to 108 expected. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Central and Southern Sequoyah, Muskogee, Okmulgee, Tulsa, Wagoner, Haskell, McIntosh, Northern Le Flore, and Pittsburg Counties. * WHEN...From 1 PM to 8 PM CDT Saturday. * 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..