* WHAT...For the first Heat Advisory, temperatures up to 107 expected. For the second Heat Advisory, temperatures up to 105 expected..
* WHERE...In Oklahoma, Beaver and Texas Counties. In Texas, Hemphill, Lipscomb, Ochiltree Counties, and Palo Duro Canyon.
* WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.