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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