196   
FNUS75 KREV 300910  
FWSREV  
  
SPOT FORECAST FOR TAHOE HILLS URBAN LOTS...USFS/LTBMU  
NATIONAL WEATHER SERVICE RENO NV  
210 AM PDT THU OCT 30 2025  
  
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON OCTOBER 30.   
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION  
  
* WARM TEMPERATURES, DRY CONDITIONS, GENERALLY LIGHT WINDS CONTINUE  
  THROUGH THE WEEKEND.   
  
* GENERALLY POOR MIXING IN THE MORNING WITH MARGINAL TO GOOD  
  MIXING EXPECTED IN THE AFTERNOONS THROUGH THROUGH SATURDAY.  
  
* WIND GUSTS HIGHER THAN 20 MPH AND 20-50% CHANCE OF RAIN  
  RETURN BY MID-WEEK NEXT WEEK.  
   
THURSDAY  
  
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.   
TEMPERATURE.........38-43 AT IGNITION...MAX 61-66.   
RH..................65-70% AT IGNITION...MIN 32-37%.   
20-FOOT WINDS.......UPSLOPE WINDS 2-7 MPH.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......2700-3700 FT AGL.   
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 10-15 MPH IN THE   
                    AFTERNOON.   
VENTILATION.........POOR INCREASING TO GOOD IN THE AFTERNOON.   
  
TIME (PDT)      8 AM      11 AM     2 PM        
SKY (%).........21        22        49          
WEATHER COV.....                                
WEATHER TYPE....NONE      NONE      NONE        
TSTM COV........                                
CWR.............0         0         0           
CHC OF THDR (%).0         0         0           
TEMP............43        58        64          
RH..............60        45        33          
20 FT WIND......S 2G5     SW 2G5    W 2G10      
MX HT MSL (KFT).0.9       3.3       3.7         
TRANSPORT WIND..S 5       W 10      W 15        
VRATE KT-FT/1K..6         33        49          
VENTRATE CAT....POOR      FAIR      GOOD        
   
THURSDAY NIGHT  
  
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING CLEAR.   
TEMPERATURE.........MIN 37-42.   
RH..................MAX 70-75%.   
20-FOOT WINDS.......DOWNSLOPE 1-6 MPH.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......900-1400 FT AGL.   
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.   
VENTILATION.........FAIR DECREASING TO POOR IN THE LATE EVENING.   
  
TIME (PDT)      5 PM      8 PM      11 PM     2 AM        
SKY (%).........68        68        54        12          
WEATHER COV.....                                          
WEATHER TYPE....NONE      NONE      NONE      NONE        
TSTM COV........                                          
CWR.............0         0         0         0           
CHC OF THDR (%).0         0         0         0           
TEMP............61        51        46        43          
RH..............39        51        54        57          
20 FT WIND......W 2G10    W 2G5     SW 2G5    SW 2G5      
MX HT MSL (KFT).1.9       0.9       0.8       0.8         
TRANSPORT WIND..W 15      SW 10     SW 10     SW 10       
VRATE KT-FT/1K..23        7         6         7           
VENTRATE CAT....FAIR      POOR      POOR      POOR        
   
FRIDAY  
  
SKY/WEATHER.........SUNNY.   
TEMPERATURE.........MAX 66-70.   
RH..................MIN 27-32%.   
20-FOOT WINDS.......UPSLOPE WINDS 2-7 MPH.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......2000-3000 FT AGL.   
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH EARLY IN THE MORNING   
                    BECOMING LIGHT.   
VENTILATION.........POOR INCREASING TO MARGINAL IN THE AFTERNOON.   
  
TIME (PDT)      5 AM      8 AM      11 AM     2 PM        
SKY (%).........7         8         7         9           
WEATHER COV.....                                          
WEATHER TYPE....NONE      NONE      NONE      NONE        
TSTM COV........                                          
CWR.............0         0         0         0           
CHC OF THDR (%).0         0         0         0           
TEMP............39        40        57        65          
RH..............70        65        44        29          
20 FT WIND......SW 1      SE 1      E 1G5     N 1G5       
MX HT MSL (KFT).0.8       0.8       1.8       3.0         
TRANSPORT WIND..SW 10     S 5       S 5       W 5         
VRATE KT-FT/1K..6         4         7         12          
VENTRATE CAT....POOR      POOR      POOR      MRGL        
  
  
FORECASTER...CRESPO/RICHARDS  
REQUESTED BY...DAVID DELEON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2524455.3/REV  
.DELDT 10/30/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVID.DELEON@USDA.GOV  
 
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