382  
FNUS76 KSTO 240353  
FWSSTO  
 
SPOT FORECAST FOR WHITTLE VMP...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
853 PM PDT FRI OCT 23 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0838 PDT ON OCTOBER 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
MOSTLY SUNNY SKIES WITH SEASONABLE HIGH TEMPERATURES AT THE BURN SITE  
THE NEXT FEW DAYS. GENERALLY LIGHT TERRAIN DRIVEN WINDS BELOW 10 MPH  
EXPECTED NEXT FEW DAYS, WITH DAYTIME HUMIDITY VALUES IN THE UPPER 30S  
TO LOW 40S. CONTINUED SUNNY AND DRY WEATHER WILL CONTINUE AS WE MOVE  
INTO EARLY NEXT WEEK AS WELL.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....66-70.  
MIN HUMIDITY........39-43 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS UP TO 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTH UP  
TO 5 MPH LATE IN THE AFTERNOON BECOMING LIGHT.  
RIDGETOP...........SOUTH 5 TO 6 MPH SHIFTING TO THE SOUTHWEST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 6 MPH SHIFTING TO THE SOUTHWEST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 8 AM 11 AM 2 PM 5 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............48 61 64 67  
RH..............67 46 47 42  
SL/VL WIND......SE 5G8 S 2G7 S 5G12 SW 2G7  
RIDGETOP WIND...SE 5 S 6 S 5 SW 5  
MIX HGT (FT)....700 2300 3000 1100  
TRANSPORT WIND..SE 5 S 6 S 5 SW 5  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....49-53.  
MAX HUMIDITY........65-69 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH LATE  
IN THE EVENING.  
RIDGETOP...........SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST 6  
TO 7 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST 6  
TO 7 MPH EARLY IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM  
SKY COVER.......CLEAR MCLEAR CLEAR MCLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............64 56 53 52  
RH..............50 65 67 64  
SL/VL WIND......SW 2G7 NE 3G6 NE 6G9 NE 7G9  
RIDGETOP WIND...SW 5 NE 6 E 6 E 7  
MIX HGT (FT)....1100 300 400 400  
TRANSPORT WIND..SW 5 NE 6 E 6 E 7  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....70-74.  
MIN HUMIDITY........39-43 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 7 MPH IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTH 5 TO 6 MPH  
LATE IN THE AFTERNOON BECOMING LIGHT.  
RIDGETOP...........EAST 6 TO 7 MPH SHIFTING TO THE SOUTH 7 TO 9  
MPH LATE IN THE MORNING.  
MIXING HEIGHT.......3800 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 7 MPH SHIFTING TO THE SOUTH 7 TO 9  
MPH LATE IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLEAR CLEAR MCLEAR MCLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............51 55 68 70  
RH..............62 56 40 41  
SL/VL WIND......NE 7G9 E 6G9 N 0G6 S 6G13  
RIDGETOP WIND...NW 5 W 2 SW 3 SW 9  
MIX HGT (FT)....400 400 2500 3800  
TRANSPORT WIND..E 7 E 6 S 7 S 9  
 
 
FORECASTER...JW  
REQUESTED BY...MATT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2624148.3/STO  
.DELDT 10/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATTHEW.HARRISON@FIRE.CA.GOV  
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