148  
FNUS76 KSTO 030609  
FWSSTO  
 
SPOT FORECAST FOR H-100...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1009 PM PST TUE DEC 2 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON DECEMBER 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
COOL AND DRY WEATHER IS EXPECTED TO CONTINUE IN THE BURN VICINITY  
ACROSS THE MIDDLE OF THE WEEK. PRIMARILY LIGHT EAST-NORTHEAST  
WINDS ARE ANTICIPATED OVER THE NEXT SEVERAL DAYS, ALTHOUGH BREEZY  
SURFACE GUSTS UP TO 10 MPH WILL BE POSSIBLE LATE TONIGHT INTO  
THURSDAY MORNING. A SLIGHT WARMING TREND IS THEN ON TRACK LATE  
WEEK INTO THE WEEKEND.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....47-52.  
MIN HUMIDITY........41-46 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST UP TO 5 MPH  
EARLY IN THE AFTERNOON.  
RIDGETOP...........EAST 10 TO 16 MPH.  
MIXING HEIGHT.......RISING TO NEAR 3300 FT AGL BY THE AFTERNOON.  
TRANSPORT WINDS.....EAST 10 TO 16 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC MCR PC PC PC PC PC PC PC PC PC  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............25 26 29 34 39 45 48 49 49 46 42  
RH..............97 96 87 75 64 51 43 39 42 50 57  
SL/VL WIND DIR..NE N NE NE NE NE NE NE NE NE NE  
SL/VL WIND SPD..2 2 2 2 3 3 3 5 5 3 3  
SL/VL WIND GUST.5 5 6 7 9 9 9 10 10 9 9  
RIDGE WIND DIR..E E E E E E E E E E E  
RIDGE WIND SPD..13 13 13 16 16 16 16 16 16 10 10  
MIX HGT (KFT)...2.0 2.0 2.0 3.2 3.2 3.2 3.3 3.3 3.3 1.6 1.6  
TRANSP WIND DIR.E E E E E E E E E E E  
TRANSP WIND SPD.13 13 13 16 16 16 16 16 16 10 10  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR, BECOMING PARTLY CLOUDY OVERNIGHT.  
MIN TEMPERATURE.....22-27.  
MAX HUMIDITY........88-93 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT NORTHEAST WINDS.  
RIDGETOP...........NORTHEAST 7 TO 10 MPH.  
MIXING HEIGHT.......FALLING TO NEAR 1300 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHEAST 7 TO 10 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC MCR MCR MCR MCR MCR MCR MCR MCR MCR PC PC  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............39 35 33 31 30 29 28 27 26 26 26 25  
RH..............65 71 75 79 82 85 87 88 89 89 89 90  
SL/VL WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
SL/VL WIND SPD..3 3 3 3 3 3 3 2 2 2 1 1  
SL/VL WIND GUST.9 8 8 8 7 7 7 5 5 5 2 2  
RIDGE WIND DIR..E NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..10 7 7 7 7 7 7 7 7 7 7 7  
MIX HGT (KFT)...1.6 1.4 1.4 1.4 1.3 1.3 1.3 1.4 1.4 1.4 1.4 1.4  
TRANSP WIND DIR.E NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.10 7 7 7 7 7 7 7 7 7 7 7  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY EARLY, THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....50-55.  
MIN HUMIDITY........40-45 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT EAST-NORTHEAST WINDS.  
RIDGETOP...........NORTHEAST 5 TO 7 MPH.  
MIXING HEIGHT.......RISING TO NEAR 2800 FT AGL BY THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 5 TO 7 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC PC PC PC MCR MCR MCR MCR MCR MCR MCR MCR  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............24 25 26 29 33 39 45 50 52 52 50 47  
RH..............90 89 85 79 71 60 49 42 42 46 52 59  
SL/VL WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
SL/VL WIND SPD..1 1 1 1 1 1 1 1 1 1 1 1  
SL/VL WIND GUST.2 2 2 2 2 2 2 3 3 3 3 3  
RIDGE WIND DIR..NE NE NE NE NE NE NE N N N E E  
RIDGE WIND SPD..7 7 7 7 6 6 6 6 6 6 5 5  
MIX HGT (KFT)...1.4 1.4 1.4 1.4 1.9 1.9 1.9 2.8 2.8 2.8 1.4 1.4  
TRANSP WIND DIR.NE NE NE NE NE NE NE N N N E E  
TRANSP WIND SPD.7 7 7 7 6 6 6 6 6 6 5 5  
 

 
FORECASTER...NR  
REQUESTED BY...BURN BOSS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526920.0/STO  
.DELDT 12/03/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.HUBBELL@USDA.GOV  
 
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