622  
FNUS76 KSGX 171238  
FWSSGX  
 
SPOT FORECAST FOR POLIQUE CANYON...USFS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
438 AM PST WED DEC 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON DECEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
THURSDAY WILL BE WARM AND DRY UNDER WEAK OFFSHORE FLOW. THEN TURNING  
WEAKLY ONSHORE LATE THURSDAY THROUGH WEDNESDAY. TEMPERATURES WILL  
DECREASE, BUT REMAIN WELL ABOVE NORMAL FRIDAY AND BEYOND. HUMIDITY  
WILL BE A LITTLE HIGHER. CHANCES OF RAIN INCREASE LATE TUESDAY AND  
WEDNESDAY.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 66.  
MIN HUMIDITY........21 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE  
AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN  
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
RIDGETOP...........NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST  
EARLY IN THE MORNING, THEN SHIFTING TO THE  
NORTH LATE IN THE MORNING SHIFTING TO THE WEST  
5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......1800 FT AGL.  
TRANSPORT WINDS.....EAST 3 TO 6 MPH SHIFTING TO THE SOUTHWEST 2 TO  
9 MPH IN THE LATE MORNING AND AFTERNOON.  
 
TIME (PST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........5 5 10 15 15 24  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............34 50 63 66 63 56  
RH..............48 33 24 21 26 35  
20 FT WIND......E 3 S 2 SW 3 SW 6 W 5 W 3  
20 FT WIND GUST.8 6 6 10 9 7  
EYE LEVEL WIND..E 3 S 1 SW 2 SW 4 W 4 W 3  
EYE LVL WND GST.6 4 5 7 7 5  
RIDGETOP WIND...N 5 N 0 W 5 W 10 W 10 W 10  
CWR.............0 0 0 0 0 0  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 35.  
MAX HUMIDITY........63 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH IN  
THE LATE EVENING AND OVERNIGHT, THEN BECOMING  
LIGHT EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN  
THE LATE EVENING AND OVERNIGHT, THEN BECOMING  
LIGHT EARLY IN THE MORNING.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 9 MPH.  
 
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........24 24 18 18 18 16  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............50 43 41 39 37 36  
RH..............43 53 55 57 59 62  
20 FT WIND......W 3 W 3 SW 6 SW 6 SW 6 SW 5  
20 FT WIND GUST.7 7 10 11 11 8  
EYE LEVEL WIND..W 2 W 2 SW 4 SW 4 SW 4 SW 3  
EYE LVL WND GST.5 5 7 8 8 6  
RIDGETOP WIND...W 10 SW 10 SW 10 SW 10 SW 10 SW 10  
CWR.............0 0 0 0 0 0  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........21 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH  
EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 6 MPH.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 9 TO 16 MPH.  
 
TIME (PST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........16 16 14 14 14 18  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............35 42 58 62 62 56  
RH..............62 49 28 22 23 31  
20 FT WIND......SW 3 W 5 W 6 SW 6 SW 6 SW 5  
20 FT WIND GUST.7 8 11 11 11 9  
EYE LEVEL WIND..SW 2 W 3 W 4 SW 4 SW 4 SW 4  
EYE LVL WND GST.5 6 8 8 8 7  
RIDGETOP WIND...SW 10 SW 10 SW 10 W 10 SW 10 SW 10  
CWR.............0 0 0 0 0 0  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60. SOUTHWEST  
WINDS AROUND 5 MPH AT EYE LEVEL.    
SUNDAY
 
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S.  
LIGHT WINDS AT EYE LEVEL.    
MONDAY
 
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE UPPER 50S. LIGHT  
WINDS AT EYE LEVEL.    
TUESDAY
 
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER  
20S. HIGHS IN THE LOWER 50S. LIGHT WINDS AT EYE LEVEL.    
WEDNESDAY
 
 
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 20S. HIGHS IN  
THE UPPER 40S. LIGHT WINDS AT EYE LEVEL.  
 

 
FORECASTER...MIGUEL MILLER  
REQUESTED BY...B. GRANT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527826.0/SGX  
.DELDT 12/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN.JOHNSON2@USDA.GOV,BRIAN.GRANT3@USDA.GOV,MICHAEL.J.PAGE@USDA.GOV,KENNETH.DUBOISE@USDA.GOV,MICHAEL.KOONTZ@USDA.GOV,JOSHUA.DICKSON@USDA.GOV,FORREST.GALE@USDA.GOV  
 
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