Mormons line up outside the historic Salt Lake Temple for an annual conference in April 2010. George Frey/Getty Images hide caption

itoggle caption George Frey/Getty Images

Yellow: Gusts of 40 to 60 mph are likely. Orange: Gusts of 50 to 70 mph are likely. Red: Gusts of 60 to 80 mph are likely (and higher gusts have already been recorded). National Weather Service hide caption

itoggle caption National Weather Service