Las Vegas residents can expect warmer temperatures to last through the middle of the week, with a cool down and stronger winds forecast for the weekend. The update, issued Monday morning, notes a brief break from the heat with occasional cloudy skies, and these conditions are expected to continue with only slight interruptions from mid and high-level clouds, as reported by the National Weather Service.A weak system moving eastward may bring some cloud cover and a slight chance of showers to the eastern Sierra this afternoon.
In the Las Vegas Valley, temperatures are expected to rise, reaching the upper 80s by Tuesday afternoon, according to the NWS forecast. The system is not expected to bring significant precipitation, but mid and high-level clouds may increase as the week progresses, based on the post-synopsis analysis.A series of shortwaves is forecast to pass through the region on Wednesday and Thursday, which will help moderate the temperature rise early in the week and increase winds from the south-southwest through the end of the workweek.
As the weekend approaches, forecasters are tracking a trough moving toward the Pacific Northwest, which may disrupt the upper-level ridge over the Desert Southwest, potentially leading to cooler temperatures and gusty conditions.In aviation terms, Harry Reid International Airport can expect mostly light, variable winds transitioning southeasterly around noon today and later becoming southwesterly in the afternoon with speeds around 10 knots, as per the 12Z Forecast Package from the NWS. Pilots flying over southern Nevada, northwest Arizona, and southeast California should anticipate VFR (Visual Flight Rules) conditions with minor wind-related challenges and only a slim chance of showers or thunderstorms, primarily over the Sierra Nevada.
Winds are likely to remain terrain-influenced, gusting less than 20 knots for most areas today with scattered cumulus developing over the Sierra Nevada this afternoon, leading to a slight chance of thunderstorms, while more significant gusts of 25 to 35 knots are expected in mountainous areas northwest of Interstate 15 on Tuesday. The NWS has issued a request for spotters to report any significant weather events or impacts in line with standard operating procedures, helping to keep the public informed about changing conditions..
Environment
Las Vegas to Experience Warmth and Winds as Weather Patterns Shift, Says NWS

Las Vegas expects warmer temperatures followed by a cool down and increased winds towards the end of the week.