* WHAT...For the first Heat Advisory, heat index values up to 106 expected. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT...Heat index values up to 107 expected. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...From noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.