Area Forecast Discussion
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
140 FXUS65 KVEF 240843 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 143 AM PDT Tue Sep 24 2024 .SYNOPSIS...Temperatures will continue to increase each day through the end of the week as an upper-level ridge sets up over the region. This ridge will allow for the persistence of dry conditions into next week. && .SHORT TERM...through Thursday. Temperatures will continue to warm each day as an upper-level ridge sets up over the region. A shortwave trough will move through the Great Basin on Wednesday, bringing a slight uptick in southerly winds across the area. These winds will be sub-advisory and of minimal impact. Warming will continue on Thursday as we head into the second half of the week as the ridge remains positioned over the Desert Southwest. .LONG TERM...Friday through Monday. Unseasonably warm temperatures continue through the weekend as high pressure stays in place over the southwest United States. Afternoon high temperatures will be 5 to 10 degrees above average for this time of year. The probability of reaching 100 degrees in Las Vegas increases from 63 percent on Friday to 75 percent on Saturday. On Friday and Saturday, most desert valleys will be in the Moderate (Level 2) HeatRisk with some Major (Level 3) to Extreme (Level 4) in Death Valley and the Colorado River Valley. Temperatures should begin to go down early next week as a trough moves east and heights aloft start to fall. && .AVIATION...For Harry Reid...Light winds with northeast or east components during the afternoon and southwest components overnight will continue into Wednesday. VFR conditions with no significant clouds. For the rest of southern Nevada, northwest Arizona and southeast California...Diurnal winds generally 10kts or less are expected at most regional TAF sites into Wednesday. Daytime around 15 knots will occur at IFP. VFR conditions will prevail at all sites with no significant cloud cover expected. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ SHORT TERM...Stessman LONG TERM...Meltzer AVIATION...Gorelow For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter