Mother’s Day weekend saw temperatures around 100 degrees in Las Vegas. It’s going to be hotter than that as the workweek begins. The forecast high for today and Tuesday is 103, which may break daily heat records, said Sam Meltzer of the National Weather Service. Monday’s heat record is 103 (set in 1960) and Tuesday’s record is 104 (set in 1996). The heat wave that began Thursday is expected to intensify during the next two days before a cooling trend arrives Wednesday. It hit 100 degrees for the first time in 2026 in Las Vegas on Friday. On Thursday, Harry Reid International Airport hit 92, about 10 degrees short of the daily record. It was the second time Reid has reached 90 this month (it saw 91 on May 3). The average early May temperature is 85 degrees. Last year, Las Vegas hit 100 for the first time on May 21 . The average date of hitting 100 is May 24. In 2024, the valley hit 100 on May 17. The earliest Las Vegas has hit 100 was May 1, 1947. The latest was June 30, 2023.…