FXUS65 KVEF 182155 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 255 PM PDT Mon May 18 2026 .KEY MESSAGES... * Winds will continue to diminish through the afternoon, and widespread wind impacts are not expected the rest of the week. * Temperatures will warm up through the week as a dry weather pattern sets up over the region. && .DISCUSSION...Through this Weekend. The system that brought strong winds to the region last night pulls away from the area today. With the trough axis currently centered over northeast Utah, the area remained under cool, dry northerly flow through the morning. Winds are not nearly as strong at last night, but gust 25-35 MPH were reported in many locations through the morning hours. The strongest winds today have been in the Colorado River Valley, though even there the north winds have been on a downward trend in the past few hours after the strongest gusts topped out around 40 MPH this morning. Winds will continue to diminish through the rest of the afternoon and by 4 PM, gusts will be 25 MPH or less in for most of the region. With the strongest winds and highest risk for wind impacts behind us, let the High Wind Warning in the Colorado River Valley expire. Isolated gusts to 40 MPH are possible here through the early afternoon which could cause impacts on the lakes, otherwise widespread wind impacts are not expected. With no significant systems are expected the rest of the week, so not expecting widespread wind impacts through the weekend Breezy afternoons with gusts 20-30 MPH are possible at times, especially tomorrow and Wednesday in the Colorado River Valley as north winds linger a few more days. Today will be much cooler compared to recent conditions as high temperatures this afternoon are expected to run about 10 degrees below normal. Heights will increase through the week as troughing weakens, which will result in dry conditions and a warming trend. Temperatures will warm each day with high temperatures returning to normal by Wednesday. The warming trend then continues into the weekend, with above normal temperatures Thursday onward climbing a few degrees each day the second half of the week. By the weekend, high temperatures will run 5-8 degrees above normal. && .AVIATION...For Harry Reid...For the 00Z Forecast Package...Wind speeds are expected to drop to 6-8KT through Tuesday morning, backing from the northeast this evening to the north overnight. By mid-morning Tuesday, winds increase to 10-12KT, shifting to the northeast with intermittent gusts to around 20KT expected into early afternoon. Gusts will diminish a bit more quickly on Tuesday, with northeasterly winds around 8KT expected to become light, backing to the northwest through the evening. VFR conditions will continue. For the rest of southern Nevada, northwest Arizona and southeast California...For the 00Z Forecast Package...Elevated northeasterly winds will continue diminishing through sunset, with wind speeds across the region dropping to 5-10KT overnight as winds back to the north and northwest with some variability. By mid-morning Tuesday, winds veer to the northeast, increasing to 10-15KT with gusts to around 20-25KT expected through mid-afternoon, mainly across southern Nevada and northwestern Arizona. Through the Lower Colorado River Valley from KIFP to KEED, northerly winds Tuesday will be enhanced by terrain, with speeds 15-20KT and gusts to 25-30KT through mid- to late afternoon before diminishing. VFR conditions will prevail, with a few high clouds impacting southern areas Tuesday late morning into the afternoon. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ DISCUSSION...Nickerson AVIATION...Phillipson For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter