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Posted Jul 12, 2014, 12:16 pm
The National Weather Service issued a flash flood watch for all of southeastern Pima County, including the Tucson metro area, Saturday afternoon.
The watch covers Douglas, Nogales, Sierra Vista, Benson, Tucson and Marana.
The advisory will remain in effect until 10 p.m.
A flash flood watch means that conditions are favorable for widespread flash flooding to develop, the agency said.
The Weather Service also issued a blowing dust advisory for south central Arizona, including Tucson, from 3-9 p.m.
Winds of 35-45 mph are expected to pick up dust and lower visibility in some areas.
Thunderstorms are expected to develop across eastern Pima and eastern Pinal counties around mid-afternoon, and then move west across central Pinal and central Pima County, including the Tohono O'odham Nation, late Saturday afternoon. If these storms combine, they could form a haboob affecting the Interstate 10 corridor northwest of Tucson, the Weather Service said.
Drivers can monitor conditions by calling 511 or by visiting www.az511.gov.
Check out our live weather radar page for the latest conditions.