🔥 Trending Las Vegas Weather: Heat, Humidity, and Potential Monsoon Rains

As of August 8, 2026, the weather forecast for Las Vegas, Nevada, indicates extreme heat conditions continuing through the weekend, with a chance of monsoonal moisture bringing some rain ²³.

Current Conditions and Warnings

An Extreme Heat Warning is in effect for the Las Vegas Valley until Sunday, August 9, 2026, at 8 p.m. PDT ². High temperatures are expected to reach around 112°F (approximately 44°C) ². Heat Advisories have also been posted, indicating dangerous heat levels ².

Weekend Outlook

Saturday, August 8, 2026

The forecast for Saturday includes continued extreme heat ²³. There is also a chance of rain due to monsoonal moisture returning to Southern Nevada ³. FOX5 Vegas reported a temperature of 91°F with partly cloudy skies and a 1% chance of precipitation at one point ⁴.

Sunday, August 9, 2026

Dangerous heat is expected to persist on Sunday ². Similar to Saturday, there is a chance of rain as the monsoonal moisture continues ³.

Long-Term Outlook (December Example)

While the current forecast is dominated by heat, historical data for December in Las Vegas shows a different pattern. In December, the weather is typically cold, with an average daily high of 8°C (46.4°F). December usually sees around 18 sunny days, 3 rainy days, and 3 cloudy days ⁷.

It is important to note that the forecast for Las Vegas, New Mexico, is distinct from Las Vegas, Nevada. The information provided above specifically pertains to Las Vegas, Nevada ¹.