High pressure will keep it hot for the rest of the work week. Showers and thunderstorms will develop Friday and become widespread by Saturday. It will be cooler on Saturday, but a strong cold front will move in Saturday evening. Temperatures behind the front will be significantly cooler by early next week.
SALT LAKE CITY
Wednesday: Becoming mostly sunny after morning clouds. Highs: Near 90.
Wednesday Night: Partly cloudy. Lows: Upper 60s.
ST. GEORGE
Wednesday: Partly cloudy & hot. Highs: Near 100.
Wednesday Night: Mostly clear. Lows: Near 70.