PHOENIX -- Another dust storm blew through the Phoenix metropolitan area and parts of southern Arizona on Wednesday evening.
The massive wall of dust was more than 3,000 feet high and 10 to 15 miles wide.
The storm did cause flight delays of 15 to 30 minutes at Phoenix Sky Harbor Airport.
National Weather Service meteorologists said the latest dust storm limited visibility on some areas of Interstate 10 to less than 1 mile.
Casa Grande was under a Severe Thunderstorm Warning. The rain did come down hard there and wind gusts were measured at 60 mph.
The strong winds were expected to continue around the Valley through Wednesday night.
There were no immediate reports of any injuries or serious damage.
In Mesa, there was wind and lightning but no rain.
Nancy Thompson got caught in the dust storm while driving, and if that wasn't bad enough, "I left my Arcadia door open so my dog could get in and out," said Thompson. "I figure my house is probably full of dirt now, and I actually cleaned it this week."
Eastern Arizona saw some thunderstorm activity with rain reported in Show Low, Snow Flake, and Whiteriver.
Wednesday evening's storm came on the heels of one Tuesday night that reduced visibility to about 1 to 2 miles in some areas.
Arizona's monsoon season began June 15 and runs through Sept. 30.
An Excessive Heat Watch remains in effect from Wednesday morning through Friday evening for the Phoenix metro area, Casa Grande, Parker and Wickenburg. The forecast calls for highs from 111 to 116 degrees.
The Associated Press contributed to this report