Las Vegas, Phoenix to Flirt With Warmest All-Time Temps Jun 18, 2017

The heat is on across the desert Southwest, and two cities known for their heat could tie or set their hottest temperatures ever recorded this week.

Las Vegas, Nevada and Phoenix, Arizona could both wipe the record books clean this week as a major heat wave – even by both desert Southwest cities’ lofty standards – brings temperatures set to at or near all-time record levels.

Las Vegas is currently forecast to top out at 117° on Tuesday, which would  Phoenix is scheduled to get up to 120° on Tuesday, which would put it just two degrees shy of its all-time record of 122°, set back in 1990. Phoenix, however, hasn’t reached 120° or higher since 1995.

A strong ridge of high pressure is concentrating the heat on the Southwest, deflecting any potential precipitation or even cloud cover into the Northwest. June is often typically the warmest month of the year in the Southwest as it falls just before monsoon season typically begins at the end of the month and into July.

Cooler (depending on your definition) weather arrives in the Southwest later this week, if only reducing the heat by a bit. Excessive heat warnings are in place throughout the region for the entire work week.

Be sure to limit your time outdoors in these areas through this epic heat wave.

Stay with WeatherNation for the latest on the heat.

For WeatherNation: Meteorologist Chris Bianchi

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