FXUS65 KVEF 041054 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 354 AM PDT Mon May 4 2026 .KEY MESSAGES... * Gusty southwest winds, cooler conditions, and light precipitation chances continue through Tuesday. * Temperatures climb to over 10 degrees above-normal late-week. && .DISCUSSION...Today through Sunday. Temperatures will drop 8 to 12 degrees this afternoon compared to yesterday as a closed area of low pressure approaches the region. Breezy southwest winds will continue across the forecast area this afternoon with gusts between 20 and 30 mph. The exception will be in western San Bernardino County where gusty west winds will peak between 40 and 45 mph. For this zone, the Wind Advisory will continue until 11 PM tonight. A shortwave embedded in the upper- level trough will push through the southwestern Great Basin this afternoon as it taps into 0.40-0.50 inches of PWAT. As a result, expect scattered showers and isolated thunderstorms across northern Inyo, Esmeralda, and central Nye counties this afternoon. Showers will generally produce between 0.10 and 0.25 inches of rain. With thunderstorm activity, expect locally heavier rainfall as well as gusty winds from their direction. The center of the low will move overhead on Tuesday, which will return shower and thunderstorm activity to the southern Great Basin for one final day before dry conditions return for the remainder of the work week. Mid-to-late week, ridging returns over the region, resulting in temperatures climbing to over 10 degrees above-normal. Heat Risk increases to Moderate (Level 2 on a scale 0 to 4) for desert valleys Friday through Sunday, as it gradually spreads across the Mojave Desert heading into the next work week. Las Vegas has a 15 percent chance of observing the first 100 of the year on Saturday and a 40 percent chance on Sunday. && .AVIATION...For Harry Reid...For the 12Z Forecast Package...Breezy southerly winds will continue into through mid- morning when winds will begin to increase further as the veer and become more southwesterly. 20 to 30 knot southwesterly wind gusts are expected to pick up around mid-to-late morning, continuing through the afternoon and into the evening hours. Late tonight wind gusts will drop off and winds will become lighter, but will continue to maintain a southwesterly direction through the overnight period. VFR conditions will prevail through the TAF period with FEW to BKN aoa 12 kft. For the rest of southern Nevada, northwest Arizona and southeast California...For the 12Z Forecast Package...With the exception of the Owens Valley and the western Mojave Desert, gusty southerly- to- southwesterly winds will pick up across the region around mid- morning. 10 to 20 knot southerly-to-southwesterly winds with 20 to 30 knot gusts will continue through the afternoon and into the evening hours when winds will start to decrease. The western Mojave Desert, including KDAG, will see 15 to 25 knot westerly winds with 25 to 35 knot wind gusts continue through the TAF period. Breezy southeasterly up valley winds will pick up in the Owens Valley, including KBIH, later this morning, continuing into the afternoon before swinging to the northwest in a typical diurnal fashion later this evening. Showers and thunderstorms are expected in the Eastern Sierra, White Mountains, and higher terrain of the southern Great Basin this afternoon, with thunderstorms and light rain possible in the northern Owens Valley this afternoon. These storms will be capable of producing erratic gusty winds, lightning strikes, light-to-moderate rain, and localized reductions in ceilings and/or visibility. Otherwise, VFR conditions will prevail, with SCT-BKN ceilings at or above 12kft, and as low as 8kft in the vicinity of convection. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ DISCUSSION...Soulat AVIATION...Stessman For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter