039  
FXUS65 KVEF 160848  
AFDVEF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
1248 AM PST TUE DEC 16 2025  
   
KEY MESSAGES  
 
* MILD CONDITIONS WILL CONTINUE ACROSS THE REGION THROUGH THE  
UPCOMING WEEK.  
 
* A DISTURBANCE WILL BRING A 15-30% CHANCE FOR PRECIPITATION TO  
PORTIONS OF INYO AND ESMERALDA COUNTIES LATE WEEK.  
 
 
   
DISCUSSION  
THROUGH SUNDAY.  
 
ACTIVE PACIFIC STORM TRACK REMAINS FOCUSED WELL TO OUR NORTH WHILE  
BROAD RIDGING CONTINUES TO DOMINATE THE SOUTHWESTERN US. THIS WILL  
KEEP OUR SKIES MOSTLY CLEAR AND TEMPERATURES WELL ABOVE NORMAL.  
MEANWHILE, LOW SUN ANGLES AND LIGHT SURFACE WINDS PROMOTE  
INVERSIONS IN CERTAIN NARROW VALLEYS INCLUDING DEATH VALLEY, WHICH  
MEANS TEMPERATURES WILL STAY RELATIVELY COOL FOR THOSE LOCATIONS  
THROUGH AT LEAST MIDWEEK.  
 
THE FLOW PATTERN WILL BEGIN TO CHANGE LATE IN THE WEEK AND OVER  
THE WEEKEND AS THE FLOW BECOMES MORE ZONAL. THIS WILL ALLOW  
PACIFIC STORM SYSTEMS TO DRAG FURTHER SOUTH INTO NORTHERN  
CALIFORNIA, AND BRING SOME MODEST LIGHT PRECIPITATION CHANCES TO  
THE SIERRA CREST AND PARTS OF NORTHERN INYO/ESMERALDA COUNTIES.  
OTHERWISE, DRY CONDITIONS WILL PERSIST ELSEWHERE.  
 
LOOKING AHEAD, A MORE SIGNIFICANT PATTERN CHANGE LOOKS POSSIBLE  
APPROACHING THE CHRISTMAS HOLIDAY AS DEEP TROUGHING TAKES SHAPE  
OFF THE CALIFORNIA COASTLINE. THIS FLOW PATTERN HINTS AT SOME  
PRECIPITATION OPPORTUNITIES IN THE LONGER RANGE THANKS TO  
MOISTURE ADVECTION WITHIN A BROAD SOUTHERLY FLOW AHEAD OF THE  
TROUGH AXIS. THIS POTENTIAL IS SUPPORTED BY THE CURRENT 8-14 DAY  
CPC OFFICIAL OUTLOOK FAVORING ABOVE NORMAL PRECIPITATION CHANCES  
FOCUSED ACROSS CALIFORNIA.  
 
 
   
AVIATION...FOR HARRY REID...FOR THE 06Z FORECAST PACKAGE  
LIGHT  
AND DIURNAL WINDS EXPECTED WITH FEW-SCT AOA 25 KFT THROUGH THE TAF  
PERIOD.  
 
FOR THE REST OF SOUTHERN NEVADA, NORTHWESTERN ARIZONA AND  
SOUTHEASTERN CALIFORNIA...FOR THE 06Z FORECAST PACKAGE...LIGHT AND  
DIURNAL WINDS EXPECTED WITH FEW-SCT AOA 25 KFT THROUGH THE TAF  
PERIOD. THE EXCEPTION WILL BE ALONG THE COLORADO RIVER VALLEY WITH  
BREEZY NORTH WINDS AT KEED AND GUSTY NORTH WINDS AT KIFP, WITH GUST  
SPEEDS BETWEEN 25 AND 30 KTS TUESDAY AFTERNOON. ADDITIONALLY, CRV  
SITES WILL EXPERIENCE PERIODS OF BKN CLOUD COVER.  
 
   
CLIMATE  
NUMEROUS CLIMATE LOCATIONS HAVE A FORECAST HIGH  
TEMPERATURE AND/OR FORECAST WARM LOW TEMPERATURE WITHIN 3 DEGREES OF  
THE DAILY RECORD FOR TUESDAY, WEDNESDAY, AND THURSDAY.  
 
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 TUE, DEC 16 WED, DEC 17 THU, DEC 18  
RECORD(YR) RECORD(YR) RECORD(YR)  
 
LAS VEGAS 74(1980) 71(1942)* 72(1939)*  
BISHOP 72(1980)* 72(1998)* 72(1999)*  
NEEDLES 79(1980)* 77(1980)* 75(2024)*  
DAGGETT 76(1998) 76(1998) 80(1998)  
KINGMAN 71(1969)* 70(1980)* 74(1980)*  
DESERT ROCK 73(1980)* 72(1998)* 69(2024)*  
DEATH VALLEY 84(1998) 88(1998) 86(1998)  
 
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 TUE, DEC 16 WED, DEC 17 THU, DEC 18  
RECORD(YR) RECORD(YR) RECORD(YR)  
 
LAS VEGAS 49(2002)* 47(2010)* 48(1962)*  
BISHOP 38(1957) 33(1978)* 38(2010)*  
NEEDLES 62(1980) 61(1998) 57(2010)  
DAGGETT 49(1981)* 49(1983)* 50(1980)*  
KINGMAN 48(1957) 44(1980)* 46(2010)*  
DESERT ROCK 49(1998) 41(2014) 45(2024)*  
DEATH VALLEY 66(1998) 60(1998) 58(1914)  
 
   
SPOTTER INFORMATION STATEMENT  
SPOTTERS ARE ENCOURAGED TO REPORT  
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING  
PROCEDURES.  
 
 
 
 
 
DISCUSSION...OUTLER  
AVIATION...SOULAT  
 
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:  
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER  
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