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A mild storm system moving into the region is expected to bring some relief from air inversion-plagued northern Utah.
The National Weather Service forecast for Thursday calls for south winds of around 20 mph. That should help clear out automobile and particulate pollution from the Wasatch Front's valleys. Thursday's high temperatures in northern Utah were expected to range into the upper-50s under partly cloudy skies.
The Utah Division of Air Quality saw the approaching air flow as reason to reduce its advisories for Salt Lake and Davis counties to "Yellow," or compromised air quality, on Thursday. The rest of the state was expected to be flying "Green," or satisfactory air quality flags.
In southern Utah, Thursday promised highs in the mid-60s under partly cloudy skies.
The Utah Avalanche Center rated only the Uintas as being at "moderate" risk for dangerous snowslides, with the rest of the state's mountain slopes getting "low" risk grades.
Salt Lake City's high for Thursday was pegged at 57, down from Wednesday's forecast for 58; Ogden looked for 55s both days; Provo 58s; Logan 51 and 52, respectively; Wendover 49 and 48; Duchesne 48s; Cedar City 57 and 62; St. George 65 and 68; and Moab 56 and 57 degrees.