665  
WWUS75 KVEF 181144  
NPWVEF  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
444 AM PDT MON MAY 18 2026  
 
CAZ519-521-522-581-582-NVZ014>020-022-181245-  
/O.EXP.KVEF.HW.W.0002.000000T0000Z-260518T1200Z/  
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-DEATH VALLEY  
NATIONAL PARK-OWENS VALLEY SOUTH-OWENS VALLEY NORTH-ESMERALDA AND  
CENTRAL NYE COUNTY-LINCOLN COUNTY-NORTHEAST CLARK COUNTY-WESTERN  
CLARK AND SOUTHERN NYE COUNTY-SHEEP RANGE-SPRING MOUNTAINS-RED  
ROCK CANYON-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-  
INCLUDING THE CITIES OF DYER, CALIENTE, SILVER PEAK, LAS VEGAS,  
SEARCHLIGHT, PAHRUMP, STOVEPIPE WELLS, BOULDER CITY, BRISTLECONE  
PINE, PIOCHE, OVERTON, AMARGOSA VALLEY, ALAMO, MT CHARLESTON,  
DESERT ROCK, HENDERSON, HIKO, RACHEL, RED ROCK CANYON, SHOSHONE,  
MOAPA, LONE PINE, GOLDFIELD, ASPENDELL, OLANCHA, PANACA, BISHOP,  
BEATTY, INDEPENDENCE, INDIAN SPRINGS, HAYFORD PK, NORTH LAS  
VEGAS, CAL-NEV-ARI, WHITNEY PORTAL, FURNACE CREEK, MESQUITE,  
WESTGARD PASS, AND PRIMM  
444 AM PDT MON MAY 18 2026  
   
..HIGH WIND WARNING WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING
 
 
WINDS HAVE DECREASED ACROSS THE AREA AND THE HIGH WIND WARNING WILL  
BE ALLOWED TO EXPIRE.  
 

 
 
AZZ001-575-576-CAZ523>526-181245-  
/O.EXP.KVEF.WI.Y.0015.000000T0000Z-260518T1200Z/  
NORTHWEST PLATEAU-HUALAPAI MOUNTAINS-NORTHWEST DESERTS-WESTERN  
MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-  
INCLUDING THE CITIES OF BARSTOW, VALENTINE, HUALAPAI PEAK,  
MITCHELL CAVERNS, MT TRUMBULL, WIKIEUP, FORT IRWIN, DAGGETT,  
YUCCA, COLORADO CITY, GOLDEN VALLEY, MOUNTAIN PASS, MORONGO  
VALLEY, BAKER, TUWEEP, KINGMAN, PIPE SPRING NATIONAL MONUMENT,  
WESTERN GRAND CANYON, YUCCA VALLEY, TWENTYNINE PALMS, DOLAN  
SPRINGS, AND VIDAL JUNCTION  
444 AM PDT MON MAY 18 2026 /444 AM MST MON MAY 18 2026/  
 
...WIND ADVISORY WILL EXPIRE AT 5 AM PDT /5 AM MST/ EARLY THIS  
MORNING...  
 
WINDS HAVE DECREASED ACROSS THE AREA AND THE WIND ADVISORY HAS BEEN  
ALLOWED TO EXPIRE.  
 

 
 
AZZ002-570-571-CAZ527-NVZ025-026-181800-  
/O.CON.KVEF.HW.W.0002.000000T0000Z-260518T1800Z/  
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD - AZ SIDE-LAKE MOHAVE - AZ  
SIDE-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-LAKE MEAD -  
NV SIDE-LAKE MOHAVE - NV SIDE-  
INCLUDING THE CITIES OF DESERT HILLS, TEMPLE BAR, BULLHEAD CITY,  
HOOVER DAM, SOUTH COVE, TOPOCK, LAKE HAVASU CITY, NEEDLES, AND  
LAUGHLIN  
444 AM PDT MON MAY 18 2026 /444 AM MST MON MAY 18 2026/  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM PDT /11 AM MST/  
THIS MORNING...  
 
* WHAT...NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.  
 
* WHERE...IN ARIZONA, LAKE HAVASU AND FORT MOHAVE, LAKE MEAD - AZ  
SIDE, AND LAKE MOHAVE - AZ SIDE. IN CALIFORNIA, SAN BERNARDINO  
COUNTY-UPPER COLORADO RIVER VALLEY. IN NEVADA, LAKE MEAD - NV SIDE  
AND LAKE MOHAVE - NV SIDE.  
 
* WHEN...UNTIL 11 AM PDT /11 AM MST/ THIS MORNING.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH-PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WATCH FOR FALLING DEBRIS, TREE LIMBS AND DOWNED POWER LINES OR  
POLES. USE EXTRA CAUTION IF YOU MUST DRIVE.  
 
STRONG WINDS AND ROUGH WAVES ON AREA LAKES WILL CREATE HAZARDOUS  
CONDITIONS FOR SMALL CRAFT.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTP://WEATHER.GOV/LASVEGAS  
 
CO  
 
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