The final days of August bow out with warm temperatures and clean air. Salt Lake City can expect a high temperature on Sunday of 85, with a chance of isolated thunderstorms in the forecast. Monday follows up with a high of 86. St. George, meanwhile, can expect clear skies and high temperatures of 98 and 96, respectively. Utah has healthy air statewide, an improvement for Salt Lake, Davis, Weber and Box Elder counties from their compromised air quality on Saturday, according to the Utah Division ...