Northern Utah's forecast for Thursday predicts a marked cooling trend, punctuated by rain in the valleys and snowfall in the mountains and benches.
High temperatures were predicted to range into the mid-50s, down about 15 degrees from Wednesday's daytime readings.
Southern Utah looked for drier and warmer weather. Highs Thursday were expected to be in the upper-70s, down a few degrees from Wednesday. Partly cloudy skies with winds of 15-25 mph were predicted in the evening hours.
The Utah Division of Air Quality graded breathability statewide as "Green," or healthy. The Intermountain Allergy & Asthma website noted that sagebrush was "very high" and ragweed "moderate" on the organization's pollen index.