The National Weather Service in Las Vegas is forecasting a gradual heatwave, with temperatures expected to rise 3 to 7 degrees above average early this week. Highs could reach levels typical of late June, though not extreme enough to prompt official heat warnings. However, parts of Mohave County may face a “major heat risk,” with conditions nearing dangerous levels, according to the NWS forecast discussion.
Midweek may bring some relief as moisture moves into Arizona, helping to ease temperatures back to seasonal averages. An offshore low-pressure system is expected to contribute to the cooling trend. However, the desert heat isn’t done yet—thunderstorms are possible in northwest Arizona starting Tuesday. Meanwhile, the Las Vegas Strip is expected to remain dry, with a southerly breeze bringing in drier air…