Las Vegas faces a dangerous heatwave, with potential record-breaking temperatures and an expanded excessive heat warning including additional counties, stressing caution and preparation.

An excessive heat warning has been issued for the Mojave Desert and southern Great Basin, with predicted highs of 105-120 degrees for lower deserts and 95-110 for the Great Basin. The heat wave may break records and provide minimal nighttime relief.

Las Vegas will experience a heatwave with temperatures soaring to near 109 degrees and windy conditions. The National Weather Service advises caution due to the prolonged heat exposure.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.

What's the weather today? What's the weather for the week? Here's your forecast.