The National Weather Service in Tucson has issued a * Dust Advisory for... Northeastern Cochise County in southeastern Arizona... Southern Graham County in southeastern Arizona... Southern Greenlee County in southeastern Arizona... * Until 730 PM MST. * At 603 PM MST, A line of strong storms extending from northeast Graham County into central Greenlee county will move south-southwest at 15 mph into the Gila River and San Simon valleys. These storms will produce strong outflow winds to 45-50 mph resulting in the potential for blowing dust reducing visibility to below a half mile. This blowing dust may impact US Highway 70 near Safford, as well as Interstate 10 between Bowie and the Arizona and New mexico state line. HAZARD...Less than one mile visibility with strong winds in excess of 45 mph. SOURCE...Radar indicated. IMPACT...Hazardous travel. * Locations impacted include... Safford, Clifton, Thatcher, Solomon, Morenci, San Jose, Bowie, Safford Regional Airport, Roper Lake State Park, Pima, Bylas, Duncan, Central, York, Fort Thomas, Franklin, Swift Trail Junction, Frye Mesa Dam, Guthrie and Three Way. This includes the following highways... Route 78 between mile markers 155 and 165. Route 191 between mile markers 88 and 177. Route 75 between mile markers 379 and 398. Route 70 between mile markers 296 and 384. Route 266 between mile markers 105 and 114. Interstate 10 between mile markers 352 and 390.