* WHAT...Temperatures in the upper 90s to low 100s expected. Limited
overnight cooling, especially Thursday night into Friday, with
lows in the low to mid 70s.
* WHERE...Great Salt Lake Desert and Mountains, Northern Wasatch
Front, Salt Lake Valley, Tooele and Rush Valleys, and Utah Valley.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.