High pressure over Utah will keep it dry and allow valley inversions to strengthen. As a result, air quality will continue to decrease. A weak storm will brush by on Wednesday and likely weaken the inversion, but not break it up.
SALT LAKE CITY
Monday: Partly cloudy. Highs: Mid 30s.
Monday Night: Partly cloudy. Lows: Near 20.
ST. GEORGE
Monday: Sunny. Highs: Near 50.
Monday Night: Mostly clear. Lows: Mid 20s.