PHOENIX -- A dust storm warning was issued for northern Pinal County on Wednesday, the National Weather Service said.
The warning is in effect until 4 p.m. and affects areas along State Route 347 and Interstate 10, including Casa Grande and Florence.
The NWS estimated winds will be between 25 mph and 35 mph with gusts as high as 45 mph.
Drivers in the area are urged to be cautious as visibility could be reduced to as low as one-quarter mile. High-profile vehicles need to use caution as gusts can make driving difficult.
A wind advisory and a blowing dust advisory are also in effect until 9 p.m.
The Associated Press contributed to this report.
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