* WHAT...For the first Heat Advisory, heat index values around 105. For the second Heat Advisory, heat index values up to 107 expected.
* WHERE...Portions of east central, northeast, and southeast Oklahoma.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.