Flash flood warnings were issued by the National Weather Service in Tucson on Wednesday, July 15, for Pima and Pinal counties, including Biosphere 2.

Flash flood warnings were issued by the National Weather Service offices in Tucson and Flagstaff on Tuesday, July 14.

PHOENIX (3TV/CBS 5)-- A weather radar meant to warn people of dust storms as they form is still not working as intended. We go behind the investigation to find out what is delaying this critical piece ...

The National Weather Service in Phoenix has issued a flash flood warning for Maricopa County, in south central Arizona, until ...