* WHAT...Temperatures from 98 to 103 are expected. * WHERE...Middle Rio Grande Valley including the Albuquerque Metro Area, Northwest Plateau, and West Central Highlands. * WHEN...From noon to 8 PM MDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...The hottest temperatures in the low 100s will be across the San Juan and Rio Grande River Valleys. Record high temperatures are expected.