las vegas

The mercury shot up to 117 degrees in Las Vegas on Sunday to tie the city’s record high and to cause more discomfort for residents and tourists in the sprawling desert city.

Since record-keeping began in Las Vegas in 1937, the only other times the temperature reached 117 degrees were on July 19, 2005, and July 24, 1942, according to the National Weather Service.

Las Vegas’ previous record high for June was 116 degrees in 1940, while Sin City’s average temperature of 91.5 in June eclipsed the record of 90.5 degrees set in 2006, forecasters said.

Temperatures continued steadily upward after Las Vegas saw an overnight low of 89 degrees on Sunday morning. That reading tied the city’s record highest minimum temperature for the date set in 2009 and 1994.

Seven more people were taken to Las Vegas hospitals with heat-related problems as of early Sunday afternoon, authorities said, and the most serious case involved an adult who has no air conditioning at his home.