Northern Utah expects temperatures on Saturday to top 102 degrees under sunny and clear skies the same forecast the Wasatch Front had for Friday.
Southern Utah will bake as the mercury soars to 105 degrees or more on Saturday with nary a cloud in the sky and Old Sol blazing, coming after the last remnants of thunderstorms were forecast to exit the region on Friday.
Overnight lows now there's a misnomer for Utah in mid-July will retreat only to 70 in the north and near 80 degrees in the southern reaches of the state.
The National Weather Service left in place a Hazardous Weather Outlook running through the weekend and into early next week. The isolated remaining thunderstorms expected Saturday still posed a danger of flash floods in slot canyons and mudslides on slopes denuded by recent wildfires.
The Utah Division of Air Quality rated Salt Lake, Davis, Weber and Utah counties at "Yellow," or compromised for breathability this weekend; the rest of the state's air quality monitoring stations earned "Green," or healthy grades.
The Intermountain Allergy & Asthma website rated mold at "very high" on its pollen index, but all other allergens were low.
Salt Lake City expected a high Saturday of 102 degrees, the same as forecast for Friday; Ogden looked for 97 and 98 degrees, respectively; Provo 98 and 99; Logan 96 and 97; Wendover 98s; Duchesne 91s; Cedar City 93s; St. George 102 and 105; and Moab 99 and 96 degrees.