* WHAT...Temperatures up to 110F across southeast New Mexico, the Permian Basin, and Trans Pecos. Temperatures up to 100F across the mountains. Temperatures up to 115F along the Rio Grande.
* WHERE...Southeast New Mexico and west Texas.
* WHEN...From 11 AM MDT /noon CDT/ to 9 PM MDT /10 PM CDT/ Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.