FXUS65 KVEF 200518 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 1018 PM PDT Thu Mar 19 2026 .KEY MESSAGES... * Heat headlines remain in effect as an unprecedented March heatwave continues into next week. && .DISCUSSION...through Wednesday. All of the monthly records that were broken yesterday will be overwritten today and tomorrow as temperatures continue to climb. Temperatures across the region will peak on Friday, with a relative "cool down" over the weekend as the ridge weakens. Even with this relative decrease in temperatures over the weekend into early next week, we will still be around 20 degrees hotter than normal. Given the prolonged nature of these record breaking temperatures, the Heat Advisory for the southern Great Basin and Extreme Heat Warning for the Mojave Desert will remain in effect until Saturday and Sunday, respectively. The ridge of high pressure will rebound next week, with hotter than normal temperatures looking to stick around for at least another week. && .AVIATION...For Harry Reid...For the 06Z Forecast Package...Light winds under 8KT are expected through the period. Winds Friday could be light from the east winds late morning that then shift southeast after 21Z, or winds will be light and variable under 5KT. Typical southwest winds return tonight around sunset. Clear skies will persist through the period. Very warm temperatures are expected through the weekend as high temperatures climb over 90 degrees each afternoon. There is a 10% chance temperatures reach or exceed 100 degrees on Friday and Saturday. For the rest of southern Nevada, northwest Arizona and southeast California...For the 06Z Forecast Package...Light winds are expected overnight. On Friday, breezy north winds will develop around KIFP gusts up to 20KT later this morning, however these elevated winds in the Colorado River Valley should remain isolated to this area and will diminish after 21Z. In addition, breezy south to southeast winds will develop in the Owens Valley with a 20% chance for gusts over 20KT in the afternoon. Any gusts that develop in the Owens Valley will diminish around sunset. Elsewhere, expect light winds under 10KT to follow typical directional patterns today and tonight. Clear skies will persist through the period. && .CLIMATE...Numerous climate locations have a forecast high temperature and/or forecast warm low temperature within 3 degrees of the daily record. The table below shows the daily record maximum temperature and the year the record was last set. An asterisk (*) denotes which records are in jeopardy (within 3 degrees of the forecast). MAX THU, MAR 19 FRI, MAR 20 SAT, MAR 21 SUN, MAR 22 Record(Yr) Record(Yr) Record (Yr) Record (Yr) Las Vegas 90(2017)* 90(2004)* 92(2004)* 91(2004)* Bishop 82(2004)* 84(2004)* 84(2004)* 83(2004)* Needles 98(2017)* 97(2004)* 98(2004)* 97(2004)* Daggett 89(2017)* 94(1997)* 92(2004)* 92(2004)* Kingman 85(1907)* 89(2004)* 89(2004)* 87(2004)* Desert Rock 85(1997)* 86(2004)* 87(2004)* 87(2004)* Death Valley 99(2017)* 97(2004)* 101(2004)* 102(2004)* The table below shows the daily record warm minimum temperature and the year the record was last set. An asterisk (*) denotes which records are in jeopardy (within 3 degrees of the forecast). WARM MIN THU, MAR 19 FRI, MAR 20 SAT, MAR 21 SUN, MAR 22 Record(Yr) Record(Yr) Record (Yr) Record (Yr) Las Vegas 63(2017)* 68(2017)* 69(2017)* 62(2015)* Bishop 48(2013)* 46(2013)* 47(1978)* 46(1963)* Needles 68(1914) 69(2017) 70(2017) 68(2004)* Daggett 61(2013)* 60(2017)* 59(1978)* 62(2015)* Kingman 54(1953)* 54(1936)* 54(1978)* 55(2004)* Desert Rock 53(2013)* 59(2017)* 58(2017)* 54(2018)* Death Valley 75(1916)* 73(2017)* 73(2017)* 72(2022)* && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ DISCUSSION/CLIMATE...Stessman AVIATION...Nickerson For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter