PHOENIX — More than 1 million Arizonans were under a dust storm warning Saturday evening as thunderstorms in the southeast Valley kicked up some dust.
A dust storm warning is in effect until 8 p.m. for Interstate 10, Interstate 17 and US 60 near Phoenix and Mesa.
The National Weather Service is warning drivers there could be near zero visibility in the blowing dust.
TRACK STORMS: 12news.com/radar