152  
FNUS75 KVEF 281131  
FWSVEF  
 
SPOT FORECAST FOR HARVEY...BLM  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
431 AM PDT MON SEP 28 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0500 PDT ON SEPTEMBER 28.  
 
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
 
NORTHWESTERLY WINDS WILL CONTINUE THROUGH THE  
FORECAST PERIOD. WINDS WILL PICK UP THIS AFTERNOON WITH 10 TO 15  
MPH SUSTAINED WINDS AND 20 TO 25 MPH WIND GUSTS. ISOLATED SHOWERS  
AND THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON. GUSTY OUTFLOW  
WINDS AND LIGHTNING WILL BE THE PRIMARY THREATS WITH ANY STORMS  
THAT DEVELOP. GIVEN THE ISOLATED NATURE OF THESE STORMS AND THE  
DRIER LOW LEVELS OF THE ATMOSPHERE, WETTING RAINS ARE NOT LIKELY.  
RH WILL BOTTOM OUT IN THE LOW 40S THIS AFTERNOON, WITH OVERNIGHT  
RECOVERIES IN THE LOW 60S. THINGS WILL DRY OUT ON TUESDAY WITH  
MINIMUM RHS IN THE UPPER-TEENS TO LOW-20S IN THE AFTERNOON.  
 
   
EARLY THIS MORNING
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....46-49.  
MAX HUMIDITY........55-58 PERCENT.  
WINDS:  
20 FT WINDS.......NORTHWEST WINDS AROUND 5 MPH.  
10000 FT WINDS....NORTH AROUND 10 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 KNOTS.  
VENTILATION.........POOR.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH THE DAY.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........41-44 PERCENT.  
WINDS:  
20 FT WINDS.......NORTHWEST WINDS 5 TO 15 MPH GUSTS 20 TO 25 MPH IN THE  
AFTERNOON.GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
10000 FT WINDS....NORTH AROUND 15 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......11000 FT AGL.  
TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE NIGHT.  
MIN TEMPERATURE.....44-47.  
MAX HUMIDITY........60-63 PERCENT.  
WINDS:  
20 FT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
10000 FT WINDS....NORTH AROUND 30 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 KNOTS.  
VENTILATION.........VERY GOOD.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....65-68.  
MIN HUMIDITY........18-21 PERCENT.  
WINDS:  
20 FT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.  
10000 FT WINDS....NORTH AROUND 25 MPH.  
CWR (>= 0.10).......0 PERCENT.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....NORTH 15 TO 20 KNOTS.  
VENTILATION.........EXCELLENT.  
 

 
FORECASTER...STESSMAN  
REQUESTED BY...LISA WALKER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2622445.5/VEF  
.DELDT 09/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NVCNC@FIRENET.GOV,L2WALKER@BLM.GOV  
 
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