Maricopa is under a dust storm warning and dust advisory after winds kicked up a wall of dust on the east side and west side of Pinal County, according to the National Weather Service.
The warning is in place until 4:30 p.m. At 3:39 p.m., a wall of dust was along a line extending from near Maricopa to 14 miles southeast of Freeman, moving west at 25 mph. The dust was already limiting visibility on State Route 347.
Visibility is some areas is less than a quarter-mile, creating dangerous driving conditions. The dust is particularly impacting SR 347 between mileposts 161 and 170.
Also impacted are SR 238 between mileposts 10 and 18 and Interstate 8 between mileposts 128 and 170.
The dust advisory is from a wall of dust form near Florence Junction to 10 miles west of Casa Grande. Visibility was less than three miles.
Doppler radar is also tracking a strong thunderstorm over Arizona City moving north at 20 mph. The storm has the potential for nickel-sized hail and winds over 40 mph.