EDITOR’S NOTE: For regular updates on debunking Vegas myths, make sure to check out “Vegas Myths Busted” every Monday, along with a special Flashback Friday edition. This particular post was originally published on July 8, 2024.

The highest temperature ever recorded in Las Vegas was 120°F, occurring at 3:38 p.m. on a Sunday at Harry Reid International Airport by the National Weather Service (NWS) weather station. Despite this official record, there are conspiracy theories suggesting that the temperature in Vegas actually exceeds this number but is purposely underreported by the Las Vegas Convention and Visitors Authority to avoid scaring off tourists with the city’s true summer heat.

Conspiracies suggest that this manipulation is achieved by keeping the weather station’s temperature sensor in the shade, contrasting with the reality of people experiencing the scorching sun when walking around Las Vegas.

One theory, as referenced in a comment on a video from the “Jacobs Life in Vegas” YouTube channel, proposes that the weather station was relocated to the air traffic control tower top to benefit from the cooler air. However, a counterpoint from a Youtube user refutes this claim, insisting that the weather does surpass 120°F in most summers but isn’t publicized due to tourism concerns.

Weathering Heights

While it’s true that the temperature gauges are kept in the shade at Harry Reid, this practice is standard across all NWS weather stations for consistency. According to NWS meteorologist Daniel Berc, the measurement is done to ensure accurate readings, as different locations receive varied solar radiation levels at the same temperature. The use of white, vented enclosures, reflective paint, and shade allows for precise air temperature measurements.

Berc, who has been with the NWS office in Las Vegas since 2012, debunks the air-traffic control tower theory, reiterating that the official weather station has always been within five feet off the ground.

Since its inception on January 1, 1937, the NWS weather station at the Las Vegas airport has been crucial for accurate temperature readings. The station has been relocated several times, with the latest move on April 19, 2007, positioning it in the southwest corner of the airport, continuing to measure temperature at about five feet above the ground.

Why Airports?

Official weather stations are typically situated at airports, like in Las Vegas, North Las Vegas, and Henderson, due to the aviation community’s high dependence on precise weather information. This tradition dates back to the mid-20th century when pilots would receive direct weather briefings from meteorologists at airport weather offices, ensuring accuracy in their flight planning.

Today’s conspiracy theorists are contrasted with past pilots who sought precise meteorological data from official sources rather than relying on misinformation spread through social media or dubious sources.

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