Heat Advisory: Benton; Carroll; Washington; Madison; Northern Crawford; Northern Franklin; 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; Cherokee; Adair; 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

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Heat Advisory — Benton; Carroll; Washington; Madison; Northern Crawford; Northern Franklin; 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; Cherokee; Adair; 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 Severity: Moderate. Certainty: Likely. * WHAT...Heat index values from 105 to 110 each afternoon and overnight lows from the mid 70s to lower 80s expected. Brief periods of heat index values of 110 to 115 are possible across portions of northeast and east central Oklahoma. * 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.