Blowing Dust Advisory issued July 09 at 3:50PM MST until July 09 at 8:00PM MST by NWS

...BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... Thunderstorms are expected to develop across southern areas before pushing east and northeast through the late afternoon and early evening hours. Organized thunderstorm outflows will likely generate areas of blowing dust.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2t2WbwI