577  
FNUS75 KVEF 120530  
FWSVEF  
 
SPOT FORECAST FOR TUMPISA...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
1030 PM PDT SUN OCT 11 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2300 PDT ON OCTOBER 11.  
 
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.  
   
..WIND ADVISORY IN EFFECT UNTIL 5 AM PDT MONDAY  
 
   
DISCUSSION  
GUSTY SOUTHERLY WINDS WILL CONTINUE THROUGH THE  
OVERNIGHT HOURS, DECREASING IN SPEED AROUND DAYBREAK. SOUTH-  
SOUTHEASTERLY WINDS WILL PICK BACK UP AROUND LATE-MORNING/EARLY  
AFTERNOON WITH GUSTS UP TO 30 MPH POSSIBLE AGAIN ON MONDAY  
AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE IN  
THE HIGHER TERRAIN AROUND DEATH VALLEY MONDAY AFTERNOON AND  
EVENING. CHANCES FOR WETTING RAINS ARE MINIMAL TO NONE DUE TO THE  
ISOLATED NATURE OF THESE STORMS. RHS WILL PEAK IN THE MID-TO-UPPER  
40S OVERNIGHT, WITH MINIMUM RELATIVE HUMIDITIES IN THE 25 TO 35  
PERCENT RANGE ON MONDAY AFTERNOON.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY BLOWING DUST THROUGH THE  
NIGHT.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........46-49 PERCENT.  
WINDS:  
20 FT WINDS.......BREEZY. SOUTH WINDS AROUND 25 MPH DECREASING TO  
15 TO 20 MPH OVERNIGHT. GUSTS UP TO 30 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 30 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......1100 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS.  
VENTILATION.........MARGINAL.  
   
COLUMBUS DAY  
 
SKY/WEATHER.........SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.  
MAX TEMPERATURE.....79-82.  
MIN HUMIDITY........28-31 PERCENT.  
WINDS:  
20 FT WINDS.......SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 20 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......9000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS.  
VENTILATION.........EXCELLENT.  
 
 
FORECASTER...STESSMAN  
REQUESTED BY...SPENCER SOLOMON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2623604.0/VEF  
.DELDT 10/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SPENCER_SOLOMON@NPS.GOV,CASBCC@FIRENET.GOV  
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