505  
FNUS75 KVEF 261859  
FWSVEF  
 
SPOT FORECAST FOR ROCK FIRE/ CINDER COMPLEX...CAL FIRE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
1159 AM PDT SUN JUL 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON JULY 27.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...OR IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST...PLEASE CONTACT OUR OFFICE AT  
(702) 263-9750.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
LIGHT, MAINLY DRAINAGE WINDS WILL BECOME SOUTHERLY  
AFTER NOON ON MONDAY WITH SPEEDS GENERALLY AROUND 10 TO 15 MPH.  
STRONGER GUSTS ARE LIKELY IN THE LATE AFTERNOON AND EARLY EVENING AT  
25 TO 30 MPH. MIN RH VALUES WILL LOWER SLIGHTLY AND BE 20 TO 25% AT  
MID SLOPE AND 8 TO 12% IN THE VALLEY ON MONDAY AND BE COUPLE PERCENT  
LOWER ON TUESDAY AFTERNOON. SOME CLOUDS ARE POSSIBLE ON MONDAY, BUT  
NO THERE IS NO THREAT OF THUNDERSTORMS.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....100-103.  
MIN HUMIDITY........6-9 PERCENT.  
WINDS:  
20 FT WINDS.......NORTH WINDS AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON AT 8 TO 12 MPH.  
STRONGER GUSTS OF 25 TO 30 MPH ARE POSSIBLE  
IN THE LATE AFTERNOON AND EARLY EVENING.  
10000 FT WINDS....SOUTHWEST AROUND 5 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......11500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST UP TO 5 KNOTS.  
VENTILATION.........VERY GOOD.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....73-76.  
MAX HUMIDITY........18-22 PERCENT.  
WINDS:  
20 FT WINDS.......WEST WINDS 5 TO 10 MPH.  
10000 FT WINDS....SOUTH AROUND 5 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......7800 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 KNOTS.  
VENTILATION.........GOOD.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....100-103.  
MIN HUMIDITY........5-8 PERCENT.  
WINDS:  
20 FT WINDS.......NORTH WINDS AT 5 TO 10 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON AT 8 TO 12 MPH.  
10000 FT WINDS....SOUTH AROUND 5 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......11500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST UP TO 5 KNOTS.  
VENTILATION.........VERY GOOD.  
 

 
FORECASTER...CZYZYK  
REQUESTED BY...NICK SHEW  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618295.0/VEF  
.DELDT 07/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NICK.SHEW@FIRE.CA.GOV  
 
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