684   
FNUS75 KREV 311131  
FWSREV  
  
SPOT FORECAST FOR SAGE...USFS  
NATIONAL WEATHER SERVICE RENO NV  
431 AM PDT FRI OCT 31 2025  
  
FORECAST IS BASED ON FORECAST START TIME OF 0800 PDT ON OCTOBER 31.   
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION  
  
* WARM TEMPERATURES, DRY CONDITIONS, LIGHT WINDS AND GENERALLY   
  POOR TO MARGINAL MIXING CONTINUE THROUGH THE WEEKEND.   
  
* WIND GUSTS STRONGER THAN 20 MPH RETURN BY MID-WEEK NEXT WEEK.  
  
* SIMILARLY, A 20-30% CHANCE OF RAIN EXISTS FOR MID-WEEK NEXT   
  WEEK. ALTHOUGH, WE HAVE LOW CONFIDENCE IN THESE CHANCES.  
   
TODAY  
  
SKY/WEATHER.........SUNNY.   
TEMPERATURE.........39 AT FORECAST START...MAX 60-61.   
RH..................39% AT FORECAST START...MIN 21-22%.   
20-FOOT WINDS.......WINDS SOUTHWEST AT 6 MPH AT FORECAST   
                    START...OTHERWISE UPSLOPE 3-7 MPH.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......200-500 FT AGL THEN 2800-3800 FT AGL IN THE   
                    AFTERNOON.   
TRANSPORT WINDS.....LIGHT WINDS.   
VENTILATION.........POOR TO MARGINAL.   
  
TIME (PDT)      8 AM      11 AM     2 PM        
SKY (%).........7         7         7           
WEATHER COV.....                                
WEATHER TYPE....NONE      NONE      NONE        
TSTM COV........                                
CWR.............0         0         0           
CHC OF THDR (%).0         0         0           
TEMP............39        54        59          
RH..............39        25        22          
20 FT WIND......SW 6G10   NE 2G10   NE 2G10     
EYE LEVEL WIND..SW 4G6    NE 1G6    NE 1G6      
MX HT MSL (KFT).0.3       2.9       3.8         
TRANSPORT WIND..W 5       N 5       N 5         
VRATE KT-FT/1K..2         15        19          
VENTRATE CAT....POOR      MRGL      MRGL        
   
TONIGHT  
  
SKY/WEATHER.........CLEAR THEN BECOMING PARTLY CLOUDY.   
TEMPERATURE.........MIN 38-39.   
RH..................MAX 41-42%.   
20-FOOT WINDS.......DOWNSLOPE 2-6 MPH.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......2300-2500 FT AGL EARLY IN THE EVENING.   
TRANSPORT WINDS.....LIGHT WINDS.   
VENTILATION.........MARGINAL TO POOR.   
  
TIME (PDT)      5 PM      8 PM      11 PM     2 AM        
SKY (%).........12        15        28        26          
WEATHER COV.....                                          
WEATHER TYPE....NONE      NONE      NONE      NONE        
TSTM COV........                                          
CWR.............0         0         0         0           
CHC OF THDR (%).0         0         0         0           
TEMP............59        45        43        41          
RH..............22        37        38        39          
20 FT WIND......NE 2G10   SW 2G5    SW 3G5    SW 5G10     
EYE LEVEL WIND..NE 1G6    SW 1G3    SW 2G3    SW 3G6      
MX HT MSL (KFT).2.4       0.1       0.1       0.1         
TRANSPORT WIND..NE 5      E 5       S 5       S 5         
VRATE KT-FT/1K..12        0         0         0           
VENTRATE CAT....MRGL      POOR      POOR      POOR        
   
SATURDAY  
  
SKY/WEATHER.........SUNNY.   
TEMPERATURE.........MAX 62-63.   
RH..................MIN 20-21%.   
20-FOOT WINDS.......UPSLOPE 3-7 MPH BECOMING SOUTHWEST 7-8 MPH LATE   
                    IN THE MORNING, THEN BECOMING LIGHT IN THE   
                    AFTERNOON.   
CHC WETTING RAIN....0%.   
CHANCE OF THUNDER...0%.   
MIXING HEIGHT.......200-500 FT AGL THEN 2300-3300 FT AGL IN THE   
                    AFTERNOON.   
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH   
                    LATE IN THE MORNING, THEN BECOMING LIGHT IN THE   
                    AFTERNOON.   
VENTILATION.........POOR TO MARGINAL.   
  
TIME (PDT)      5 AM      8 AM      11 AM     2 PM        
SKY (%).........19        15        8         7           
WEATHER COV.....                                          
WEATHER TYPE....NONE      NONE      NONE      NONE        
TSTM COV........                                          
CWR.............0         0         0         0           
CHC OF THDR (%).0         0         0         0           
TEMP............40        39        57        62          
RH..............36        41        25        21          
20 FT WIND......SW 6G10   SW 8G15   S 2G10    SE 2G10     
EYE LEVEL WIND..SW 4G6    SW 5G9    S 1G6     SE 1G6      
MX HT MSL (KFT).0.1       0.1       1.0       3.5         
TRANSPORT WIND..S 5       SW 10     SW 5      NW 5        
VRATE KT-FT/1K..0         0         4         18          
VENTRATE CAT....POOR      POOR      POOR      MRGL        
  
  
FORECASTER...CHYBA  
REQUESTED BY...TRISTAN WALSH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2524681.2/REV  
.DELDT 10/31/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TRISTAN.WALSH@USDA.GOV  
 
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