136  
FXUS65 KVEF 301106  
AFDVEF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
406 AM PDT MON JUN 30 2025  
   
KEY MESSAGES  
 
* HEAT WILL PEAK TODAY WITH A GRADUAL MODERATING OF TEMPERATURES  
FOR THE REMAINDER OF THE WEEK.  
 
* INCREASING MOISTURE WILL BRING A SLIGHT CHANCE FOR AFTERNOON  
SHOWERS AND THUNDERSTORMS TO MOHAVE COUNTY BEGINNING TUESDAY,  
WITH COVERAGE EXPANDING WEDNESDAY AND THURSDAY.  
 
 
   
DISCUSSION  
THROUGH THE END OF THE WEEK.  
 
HEAT WILL PEAK ACROSS THE REGION TODAY WITH AFTERNOON HIGHS  
CLIMBING 3-7 DEGREES ABOVE NORMAL, WITH A GRADUAL COOLING TREND  
TUESDAY ONWARD. THE REMAINDER OF THE WEEK WILL FEATURE DECREASING  
HEIGHTS AND INCREASING MID-LEVEL MOISTURE, RESULTING TEMPERATURES  
RETURNING TO NEAR OR EVEN SLIGHTLY BELOW NORMAL. WHILE CONTINUED  
WARMING IS ANTICIPATED TODAY, HEIGHTS WILL ACTUALLY BEGIN TO  
DECREASE FROM THEIR VALUES SUNDAY, AND MAJORITY OF THE ADDED  
WARMING IS THANKS TO ENHANCED SURFACE MIXING AND CONTINUED LOW  
LEVEL WARMING. HOWEVER, TONIGHT'S GUIDANCE HAS SHAVED OFF A  
DEGREE OR TWO OF EXPECTED HEAT FROM THE FORECAST, WHICH MAKES  
SENSE GIVEN THE EXPECTATIONS OUTLINED ABOVE. AS SUCH, MODERATE  
HEAT RISK IS EXPECTED ACROSS MOST OF THE DESERT TERRAIN, THOUGH  
MAJOR HEAT RISK IS QUITE LIMITED. SUBTLE COOLING WILL BEGIN ON  
TUESDAY WITH MORE PRONOUNCED SURFACE COOLING MIDWEEK.  
 
MEANWHILE, STILL ANTICIPATING A PUSH OF LOW GRADE MONSOONAL  
MOISTURE INTO THE REGION AS EARLY AS TUESDAY AFTERNOON ACROSS  
NORTHWEST ARIZONA. LOW LEVELS WILL REMAIN QUITE DRY INITIALLY,  
WHICH WILL POSE SOME RISK FOR DRY LIGHTNING STRIKES AND VERY  
STRONG SURFACE WIND GUSTS WITH THE ACTIVITY THAT FORMS. MOISTURE  
WILL DEEPEN WEDNESDAY AS CONTINUED MID-LEVEL MOISTURE ADVECTION  
CREEPS WESTWARD AND INTERACTS WITH AN INCOMING LOW PRESSURE SYSTEM  
OVER SOCAL. THIS WILL RESULT IN INCREASED STORM COVERAGE ACROSS  
THE EASTERN MOJAVE DESERT AND FAR SOUTHERN NEVADA WEDNESDAY INTO  
THURSDAY. AS THE SOCAL LOW LIFTS INLAND, DRIER SOUTHWESTERLY FLOW  
WILL PUSH IN BY FRIDAY WITH DRY CONDITIONS RESUMING AND BREEZY  
SOUTHWESTERLY WINDS.  
 
 
   
AVIATION...FOR HARRY REID...FOR THE 12Z FORECAST PACKAGE  
SOUTH-  
SOUTHWEST BREEZES DEVELOP AGAIN THIS AFTERNOON, WITH GUSTS LARGELY  
15-20 KNOTS. OCCASIONAL GUSTS AROUND 25 KNOTS POSSIBLE (40%). MOSTLY  
CLEAR SKIES WITH JUST A FEW MID-LEVEL CLOUDS DURING THE AFTERNOON.  
TEMPERATURES TO EXCEED 100F BETWEEN 19Z AND 04Z, WITH A PEAK AROUND  
107F.  
 
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST  
CALIFORNIA...FOR THE 12Z FORECAST PACKAGE...LIGHTS WINDS THIS  
MORNING GIVE WAY SOUTHERLY/WESTERLY BREEZES THIS AFTERNOON AND  
EVENING. GUSTS GENERALLY 15-25 KNOTS, BUT A FEW GUSTS AROUND 30  
KNOTS POSSIBLE AROUND KBIH AND KDAG. WINDS BEGIN TO SUBSIDE  
AROUND/AFTER SUNSET. MOSTLY CLEAR SKIES WITH JUST A FEW MID-LEVEL  
CLOUDS AROUND THE LAS VEGAS AND OWENS VALLEYS THIS AFTERNOON.  
 
 
   
SPOTTER INFORMATION STATEMENT  
SPOTTERS ARE ENCOURAGED TO REPORT  
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING  
PROCEDURES.  
 
 
 
 
 
DISCUSSION...OUTLER  
AVIATION...WOODS  
 
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:  
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER  
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