742  
FNUS75 KVEF 201030  
FWSVEF  
 
SPOT FORECAST FOR GRAPEVINE FIRE...DOI-WFS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
330 AM PDT SAT JUN 20 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0400 PDT ON JUNE 20.  
 
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  
TODAY'S AFTERNOON RELATIVE HUMIDITY WILL BE AROUND  
10 PERCENT WITH SIMILAR (BUT SLIGHTLY DECREASED) WIND SPEEDS AS  
YESTERDAY. WINDS WILL BE FROM THE SOUTH-SOUTHWEST, WITH GUST SPEEDS  
GENERALLY BETWEEN 15 AND 25 MPH. EXPECT POOR OVERNIGHT RECOVERY,  
WITH RH BETWEEN 15 AND 20 PERCENT.  
 
   
REST OF TONIGHT  
 
SKY/WEATHER.........CLEAR. AREAS OF SMOKE.  
MIN TEMPERATURE.....60-63.  
MAX HUMIDITY........17-20 PERCENT.  
WINDS:  
20 FT WINDS.......SOUTHWEST WINDS BETWEEN 10 AND 20 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 15 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS.  
VENTILATION.........POOR.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........7-10 PERCENT.  
WINDS:  
20 FT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 15 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......10000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 KNOTS.  
VENTILATION.........EXCELLENT.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........16-19 PERCENT.  
WINDS:  
20 FT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 15 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......6700 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS.  
VENTILATION.........VERY GOOD.  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....80-83.  
MIN HUMIDITY........5-8 PERCENT.  
WINDS:  
20 FT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
10000 FT WINDS....SOUTHWEST AROUND 5 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......9800 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS.  
VENTILATION.........VERY GOOD.  
 
 
FORECASTER...SOULAT  
REQUESTED BY...TRACE DEEDS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615749.2/VEF  
.DELDT 06/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NVECC@FIRENET.GOV,BJONES@BLM.GOV,RROWE@BLM.GOV,FGOODSON@BLM.GOV  
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