521  
FXUS65 KVEF 201020  
AFDVEF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
319 AM PDT WED MAY 20 2026  
   
KEY MESSAGES  
 
* WARMING TREND CONTINUES THROUGH MEMORIAL DAY WEEKEND, WITH  
AFTERNOON HIGHS CLIMBING TO 6 TO 8 DEGREES ABOVE-NORMAL.  
 
 
   
DISCUSSION  
TODAY THROUGH TUESDAY.  
 
TODAY WILL BE THE COOLEST DAY OF THE FORECAST PERIOD AS HEIGHTS RISE  
OVER THE REGION IN THE WAKE OF LAST WEEKEND'S WINDY TROUGH. THE  
DESERT SOUTHWEST WILL REMAIN SITUATED BETWEEN AN EASTERN PACIFIC  
AREA OF HIGH PRESSURE TO THE WEST AND PERSISTENT TROUGHING IN THE  
CENTRAL CONUS TO THE EAST. AS A RESULT, EXPECT OCCASIONAL BREEZY  
AFTERNOONS AS SHORTWAVE TROUGHS RIDE ALONG OUR NORTHWEST FLOW ALOFT.  
HEATRISK WILL PEAK SATURDAY THROUGH MONDAY, WITH WIDESPREAD MINOR  
(LEVEL 1 ON A SCALE OF 0 TO 4), AND POCKETS OF MODERATE (LEVEL 2) IN  
THE LOWER DESERT VALLEYS SUCH AS DEATH VALLEY, MOAPA VALLEY, AND THE  
COLORADO RIVER VALLEY. INCREASED OUTDOOR ACTIVITY CAN BE EXPECTED  
WITH THE HOLIDAY WEEKEND, SO PEOPLE ARE ENCOURAGED TO BRING ALONG  
WITH THEM PLENTY OF WATER, SUNSCREEN, AND TAKE FREQUENT BREAKS IN  
THE SHADE AND/OR AIR CONDITIONING. THERE IS A CONTINUED SIGNAL THAT  
UNSETTLED WEATHER RETURNS FOR THE MIDDLE OF NEXT WEEK, BUT DETAILS  
ARE MURKY AT THIS TIME. STAY TUNED TO THE FORECAST IF YOU HAVE  
TRAVEL OR OUTDOOR RECREATION PLANS!  
 
   
AVIATION...FOR HARRY REID...FOR THE 12Z FORECAST PACKAGE  
LIGHT,  
VARIABLE WINDS GENERALLY AT OR BELOW 6 KNOTS WILL PERSIST THROUGH  
MID-MORNING BEFORE VEERING TO THE NORTHEAST BY LATE THIS MORNING.  
SPEEDS WILL REMAIN LIGHT, GENERALLY 8 KNOTS OR LESS, THROUGH THE  
REMAINDER OF THE TAF PERIOD. WINDS WILL SHIFT TO THE TYPICAL  
SOUTHWEST DIRECTION AFTER SUNSET. VFR CONDITIONS CAN BE EXPECTED  
THROUGH THE PERIOD, WITH A FEW SCATTERED HIGH CLOUDS WITH BASES AOA  
20KFT AGL MOVING IN AFTER 00Z THURSDAY.  
 
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST  
CALIFORNIA...FOR THE 12Z FORECAST PACKAGE...GUSTY NORTHERLY WINDS  
WILL CONTINUE IN THE COLORADO RIVER VALLEY AGAIN TODAY, WITH GUSTS  
OF 20 TO 25 KNOTS EXPECTED AT KIFP AND KEED THIS AFTERNOON.  
ELSEWHERE, WINDS WILL GENERALLY REMAIN UNDER 10 KNOTS. VFR  
CONDITIONS WILL PREVAIL AREAWIDE, WITH A FEW SCATTERED HIGH CLOUDS  
WITH BASES AOA 20KFT AGL MOVING FROM NORTH TO SOUTH ACROSS THE  
REGION LATE THIS AFTERNOON THROUGH THURSDAY MORNING.  
 
 
 
   
SPOTTER INFORMATION STATEMENT  
SPOTTERS ARE ENCOURAGED TO REPORT  
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING  
PROCEDURES.  
 
 
 
 
 
DISCUSSION...SOULAT  
AVIATION...PLANZ  
 
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:  
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER  
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