* WHAT...Temperatures up to 106 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...From noon to 9 PM MDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses, especially during extended periods of time outdoors.