A dust storm and thunderstorm activity approached the Phoenix Metro area from the south on Sunday evening, according to the National Weather Service.
Weather officials expect a wall of dust to appear, and visibility will also drop to under 1 mile.
8:05 PM MST: A strong outflow boundary is now approaching the Phoenix Metro area from the south. Expect a wall of dust with visibilities briefly dropping below 1 mile. #azwxpic.twitter.com/k5viCP7bKv…