057  
FNUS76 KSGX 242301  
FWSSGX  
 
SPOT FORECAST FOR RANCHO CARRILLO RX...FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
401 PM PDT SAT OCT 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON OCTOBER 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
THE BEGINNING OF THE WEEK WILL BE WARM (70S) AND DRIER (45-55% MIN  
RH) WITH GENERALLY LIGHT ONSHORE WINDS. COOLER AND CLOUDIER  
WEATHER THURSDAY ONWARD WITH CHANCES FOR WETTING RAINS INCREASING  
AFTER THURSDAY AFTERNOON, CONTINUING THROUGH SATURDAY. WHILE  
AMOUNTS ARE UNCERTAIN, TOTALS THU/FRI/SAT LOOK TO BE ON THE ORDER  
OF 0.5-1.5".  
 
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING  
PARTLY CLOUDY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........69 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH  
LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
RIDGETOP...........  
CWR.................4 PERCENT.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST 6  
TO 7 MPH IN THE LATE MORNING AND AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........84 84 84 84 84 69 69 69 69 69 69 50  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............54 54 55 57 59 61 62 63 63 63 63 62  
RH..............83 83 81 78 75 72 70 69 69 70 72 74  
20 FT WIND DIR..E E E E E S S S SW SW SW SW  
20 FT WIND SPD..3 3 3 3 3 2 2 2 5 5 5 5  
20 FT WIND GUST.5 5 6 6 6 5 5 5 9 9 9 8  
EYE LVL WND DIR.E E E E E S S S SW SW SW SW  
EYE LVL WND SPD.2 2 2 2 2 2 2 2 4 4 4 3  
EYE LVL WND GST.4 4 4 4 4 4 4 4 7 7 7 6  
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  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE EVENING. CHANCE OF  
RAIN SHOWERS EARLY IN THE MORNING.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........89 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
RIDGETOP...........  
CWR.................10 PERCENT INCREASING TO 20 PERCENT EARLY IN  
THE MORNING.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 7 MPH SHIFTING TO THE SOUTHEAST  
AROUND 5 MPH OVERNIGHT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 50 50 50 50 63 63 63 63 63 63 73  
WEATHER COV..... SCH SCH SCH SCH SCH SCH CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............60 58 56 55 55 55 55 55 55 55 55 55  
RH..............79 85 89 88 86 84 83 83 83 82 82 82  
20 FT WIND DIR..SW SW W W W W W W W W W S  
20 FT WIND SPD..5 5 2 2 2 3 3 3 3 3 3 3  
20 FT WIND GUST.8 8 4 4 4 6 6 6 5 5 5 6  
EYE LVL WND DIR.SW SW W W W W W W W W W S  
EYE LVL WND SPD.3 3 1 1 1 2 2 2 2 2 2 2  
EYE LVL WND GST.6 6 3 3 3 4 4 4 4 4 4 4  
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  
CWR.............0 0 0 0 0 10 10 10 10 10 10 20  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
PARTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN  
SHOWERS.  
MAX TEMPERATURE.....AROUND 62.  
MIN HUMIDITY........73 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 5 MPH LATE  
IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHWEST 5 TO 7  
MPH LATE IN THE MORNING.  
RIDGETOP...........  
CWR.................20 PERCENT.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 9 MPH SHIFTING TO THE SOUTHWEST 7 TO  
9 MPH IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........73 73 73 73 73 61 61 61 61 61 61 56  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............55 55 55 56 58 59 60 61 61 61 60 59  
RH..............83 83 83 81 78 76 74 73 73 73 75 76  
20 FT WIND DIR..S S SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..3 3 3 3 3 5 5 5 7 7 7 6  
20 FT WIND GUST.6 6 6 6 6 8 8 8 12 12 12 11  
EYE LVL WND DIR.S S SW SW SW SW SW SW SW SW SW SW  
EYE LVL WND SPD.2 2 3 3 3 4 4 4 5 5 5 4  
EYE LVL WND GST.4 4 4 4 4 6 6 6 9 9 9 8  
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  
CWR.............20 20 20 20 20 20 20 20 20 20 20 M  
 
 
FORECASTER...SEBASTIAN WESTERINK  
REQUESTED BY...CYRUS GALVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2624486.0/SGX  
.DELDT 10/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CYRUS.GALVAN@USDA.GOV  
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