752  
FXUS65 KREV 140827  
AFDREV  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE RENO NV  
127 AM PDT MON JUL 14 2025  
   
KEY MESSAGES  
 
* DANGEROUS HEAT PERSISTS THROUGH TUESDAY, WITH WIDESPREAD  
MODERATE TO MAJOR HEATRISK ACROSS LOWER AREAS OF WESTERN NV AND  
NORTHEAST CA.  
 
* HIGHER (15-20%) CHANCE FOR ISOLATED THUNDERSTORMS THIS  
AFTERNOON, WITH ISOLATED STORM CHANCES CONTINUING EACH AFTERNOON.  
 
* HOT, DRY CONDITIONS WILL MARGINALLY SUBSIDE MID-LATE WEEK WITH  
TYPICAL SOUTHWEST TO WEST BREEZES.  
 
 
   
DISCUSSION  
 
IT'S ANOTHER HOT ONE OUT THERE TODAY WITH HIGHS IN THE LOW 100S  
AND UPPER 90S ACROSS THE VALLEYS. SIERRA COMMUNITIES WILL SEE  
HIGHS IN THE LOW 90S AGAIN TODAY. OVERNIGHT LOWS CONTINUE TO BE  
RATHER WARM, BRINGING LITTLE OVERNIGHT RELIEF, PRIMARILY FOR URBAN  
AREAS. HOWEVER, WE START TO COOL DOWN TUESDAY AS A LOW DROPS DOWN  
FROM THE CANADIAN SIDE OF THE PACIFIC NW, ALSO BRINGING BETTER  
OVERNIGHT HEAT RELIEF. EXPECT AFTERNOON HIGHS IN THE MID 90S FOR  
VALLEYS AND MID 80S FOR HIGHER ELEVATIONS THOUGH THE END OF THIS  
WEEK.  
 
THUNDERSTORM CHANCES INCREASE TODAY TO A 15-20% CHANCE. BEST AREAS  
WILL BE IN MONO AND MINERAL COUNTIES, POTENTIALLY SNEAKING INTO  
THE TAHOE BASIN, AS WELL AS FAR NE CA AND N WASHOE COUNTY. THREATS  
INCLUDE LIGHTNING, BRIEF HEAVY DOWNPOURS, AND ERRATIC OUTFLOWS.  
THUNDERSTORM CHANCES CONTINUE EACH AFTERNOON THIS WEEK, BUT RANGE  
FROM 5-15%.  
 
UNFORTUNATELY, THE HAZE WILL LINGER AGAIN TODAY AS FIRES CONTINUE  
IN AND AROUND THE GREAT BASIN AND DESERT SOUTHWEST. HOWEVER, THE  
AFOREMENTIONED LOW WILL BRING INCREASED AFTERNOON BREEZES TUESDAY,  
HELPING TO CLEAR OUT SOME OF THE HAZE. AS THE WEEK CONTINUES,  
EXPECT RELATIVELY WARM AND DRY CONDITIONS.  
 
 
   
AVIATION  
 
* VFR CONDITIONS PERSIST WITH LIGHT WINDS AND TYPICAL AFTERNOON  
W-SW WIND GUSTS UP TO 20 KTS. EXPECT A 15-20% CHANCE OF ISOLATED  
THUNDERSTORMS TODAY BETWEEN 21-03Z, PRIMARILY FOR KMMH AND KTVL.  
PRIMARY STORM CONCERNS WILL BE BRIEF HEAVY RAIN, OUTFLOW GUSTS,  
AND LOCALIZED TURBULENCE.  
 
* THE HOT TEMPERATURES MAY PRODUCE DENSITY ALTITUDE IMPACTS,  
ESPECIALLY FOR KTRK, KTVL, AND KMMH. SLANTWISE VISIBILITY  
REDUCTIONS REMAIN POSSIBLE WITH SMOKE AND HAZE FROM NERABY WILDFIRES.  
 
-GIRALTE/EDAN  
 
 
   
REV WATCHES/WARNINGS/ADVISORIES  
 
NV...HEAT ADVISORY UNTIL 11 AM PDT WEDNESDAY NVZ001-003>005.  
 
CA...HEAT ADVISORY UNTIL 11 AM PDT WEDNESDAY CAZ070-071.  
 
 
 
 
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