941  
FNUS76 KSGX 180052  
FWSSGX  
 
SPOT FORECAST FOR STRUCTURE FIRE TRAINING...RCOFD  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
552 PM PDT FRI JUL 17 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON JULY 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LIGHT AND VARIABLE WINDS BEGINNING SATURDAY MORNING WITH WINDS  
INCREASING IN THE AFTERNOON OUT OF THE WEST TO NORTHWEST WITH  
SPEEDS 5-10 MPH AND GUSTS UP TO 15-20 MPH. WINDS WILL TAPER OFF IN  
THE LATE EVENING TO BECOME LIGHT AND VARIABLE AGAIN INTO SUNDAY  
MORNING. WINDS WILL INCREASE ONCE AGAIN IN THE AFTERNOON TO BE  
OUT OF THE WEST AT SIMILAR SPEEDS TO SATURDAY. NOT EXPECTING ANY  
CHANCES FOR RAIN OR STORMS OVER THE AREA THROUGH THE WEEKEND AND  
INTO EARLY NEXT WEEK. MINRH WILL STAY ABOVE 35% THROUGH NEXT WEEK.  
 
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........41 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTHWEST 9 TO 11 MPH IN  
THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 5 MPH.  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 13 11 11 11 11 11 11 3 3 3 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............66 67 70 76 80 83 86 88 89 89 90 88  
RH..............80 77 71 60 53 47 43 41 41 41 41 42  
SURFACE WND DIR.NW NW NW NW NW NW W W W NW NW NW  
SURFACE WND SPD.1 1 1 1 3 3 6 9 9 10 11 11  
SURFACE WND GST.3 3 3 5 6 8 10 14 16 17 17 17  
RIDGE WIND DIR..SW SW SW SW SW SW S S SW SW SW SW  
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........36 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 7 TO 11 MPH IN THE  
AFTERNOON.  
RIDGETOP...........  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 31 31 31 31 17 17 17 17 17 17 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............65 66 70 74 78 83 86 88 89 90 90 89  
RH..............86 82 74 65 56 49 44 41 39 37 36 37  
SURFACE WND DIR.SE N N W W W W W W W W W  
SURFACE WND SPD.1 0 0 1 3 3 6 7 9 10 11 11  
SURFACE WND GST.3 3 3 5 7 9 12 14 16 17 18 18  
RIDGE WIND DIR..M M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M M  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
 

 
FORECASTER...LAUREN VILLAFANE  
REQUESTED BY...WAYNE CLEMONS JR.  
TYPE OF REQUEST...OTHER  
.TAG 2617638.0/SGX  
.DELDT 07/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL WAYNE.CLEMONS@FIRE.CA.GOV  
 
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