The National Weather Service in Phoenix has issued a dust storm warning for northern Pinal County, including Maricopa until 8 p.m.

At 6:55 p.m., a dust storm was moving northward over Pinal County and into the Phoenix area. Less than a quarter-mile visibility with strong wind in excess of 40 mph was reported through Doppler radar. The storm may make travel life-threatening.

Besides Maricopa, impacted cities are expected to be Chandler, Mesa, Ahwatukee, Queen Creek, Gilbert, Tempe, Apache Junction and Laveen. It is expected to impact Interstate 10 and I-17, as well.

Motorists should not drive into a dust storm.