Heat Advisory

* WHAT...For the first Heat Advisory, heat index values up to 105. For the second Heat Advisory, heat index values up to 105 expected.

* WHERE...In Oklahoma, Beaver County. In Texas, Hemphill, Lipscomb Counties as well as Palo Duro Canyon.

* WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 9 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.