Blowing Dust Advisory

* WHAT...Scattered strong thunderstorms later this afternoon will produce wind gusts to 45 to 55 mph resulting in areas of blowing dust which will reduce visibilities to between one-quarter mile and one mile at times. Initial development of the blowing dust will be near Tucson then move to the west and northwest. Dangerously hot conditions with high temperatures ranging between 104 to 110 degrees and low temperatures 79 to 85 degrees. Major to Extreme HeatRisk today.

* WHERE...South Central Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Western Pima County.

* WHEN...For the Extreme Heat Warning, until 8 PM MST this evening. For the Blowing Dust Advisory, from 4 PM this afternoon to 8 PM MST this evening.

* IMPACTS...Hazardous driving conditions due to reduced visibility. Heat related illnesses increase significantly during extreme heat events.