343 FXUS65 KVEF 061134 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 434 AM PDT Sun Jul 6 2025 .KEY MESSAGES... * Our warming trend will continue through the first half of the week as high pressure builds into the region. By mid-week, Extreme Heat headlines may be needed for portions of the area. && .DISCUSSION...through next week. Ridging will continue to push into the area from the southeast, allowing for dry conditions and our warming trend to continue through the middle of the week. By Wednesday, HeatRisk will have increased to Major (Level 3 of 4) for the Colorado River Valley and the lower elevations of southern Mohave County. Over the past 48 hours we have seen temperatures and HeatRisk for Wednesday and Thursday fluctuate, should the latest forecast hold steady, Extreme Heat headlines will be issued for the aforementioned portions of our forecast area within the next few iterations of the forecast. A shortwave will move through the Great Basin around mid-week, knocking temperatures down a degree or two from Wednesday to Thursday. After the shortwave clears out of the area on Thursday, ridging will rebound as we head into the weekend. && .AVIATION...For Harry Reid...For the 12Z Forecast Package...Winds shift to the northeast later this morning, followed by southeasterly winds in the afternoon and southwesterly winds overnight. Speeds will remain below 10 kts. Skies will be mostly clear. Temperatures will exceed 100 degrees between 21 and 04Z. For the rest of southern Nevada, northwest Arizona and southeast California...For the 12Z Forecast Package...Expect general diurnal wind trends through the TAF period. Winds become gusty out of the southeast between 20 and 25 knots at KBIH this afternoon, and gusty out of the west between 25 and 30 knots at KDAG this evening. Skies will be mostly clear across the area. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ DISCUSSION...Stessman AVIATION...Meltzer For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter