* WHAT...Temperatures up to 108 degrees expected.
* WHERE...In New Mexico, portions of Dona Ana and Luna Counties. In Texas, portions of El Paso and Hudspeth Counties. This includes the Rio Grande Valley, Mesilla Valley, and lower Mimbres Basin.
* WHEN...For the first Heat Advisory, from noon today to 9 PM MDT this evening. For the second Heat Advisory, from noon Tuesday to 9 PM MDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses, especially during extended periods of time outdoors.