188  
FNUS76 KSGX 280729  
FWSSGX  
 
SPOT FORECAST FOR UPPER BALDY RX...USFS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1229 AM PDT SAT MAR 28 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MARCH 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TODAY, PARTLY CLOUDY SKIES AND BREEZY IN THE AFTERNOONS WITH S/SW  
WINDS 10-15 MPH AND GUSTS 20-30 MPH. WINDS DIMINISH SATURDAY NIGHT  
AND RE-INTENSIFY SUNDAY AFTERNOON TO SIMILAR LEVELS AS THIS  
AFTERNOON. LOW RELATIVE HUMIDITY EXPECTED ALL WEEKEND, BETWEEN  
14-25%.  
 
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT).  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........14 PERCENT.  
EYE LEVEL WINDS.....WEST WINDS UP TO 10 MPH. GUSTS UP TO 15 MPH IN  
THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
RIDGETOP...........SOUTHWEST 15 TO 20 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH INCREASING TO 16 TO 20  
MPH IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........15 15 42 42 42 32 32 32 42 42 42 47  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............59 59 61 64 67 71 72 74 75 74 74 72  
RH..............19 18 18 18 17 14 14 14 15 16 17 18  
20 FT WIND DIR..W W W W W W W W W SW W W  
20 FT WIND SPD..5 5 6 7 7 8 8 9 10 10 9 8  
20 FT WIND GUST.8 8 8 11 11 13 14 15 16 16 15 13  
EYE LVL WND DIR.W W W W W W W W W SW W W  
EYE LVL WND SPD.4 4 4 4 5 6 6 6 7 7 7 6  
EYE LVL WND GST.6 6 6 8 8 9 10 11 12 12 11 9  
RIDGE WIND DIR..SW SW W SW SW SW SW SW SW SW SW SW  
RIDGE WIND SPD..15 15 20 15 15 20 15 15 20 15 15 20  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........22 PERCENT.  
EYE LEVEL WINDS.....WEST WINDS AROUND 4 MPH IN THE EVENING BECOMING  
LIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 6 MPH IN THE EVENING BECOMING  
LIGHT.  
RIDGETOP...........SOUTHWEST 10 TO 15 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........47 47 40 40 40 40 40 40 49 49 49 49  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............71 67 64 64 63 62 62 62 61 61 61 61  
RH..............20 22 21 20 19 20 18 17 17 17 16 16  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..6 5 6 6 5 5 3 3 3 3 3 3  
20 FT WIND GUST.9 7 9 9 8 7 6 6 6 6 6 6  
EYE LVL WND DIR.W W W W W W W W W W W W  
EYE LVL WND SPD.4 4 4 4 4 3 3 2 3 3 3 2  
EYE LVL WND GST.7 5 7 7 6 5 4 4 4 5 4 4  
RIDGE WIND DIR..SW W SW SW SW SW SW SW SW SW SW SW  
RIDGE WIND SPD..15 10 15 15 10 15 10 10 15 10 10 15  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........14 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 7 MPH WITH  
GUSTS TO AROUND 12 MPH EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGETOP...........SOUTHWEST 10 TO 15 MPH INCREASING TO AROUND  
20 MPH LATE IN THE AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......4800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH, THEN INCREASING TO  
SOUTHWEST 8 TO 14 MPH EARLY IN THE AFTERNOON  
INCREASING TO 18 TO 21 MPH LATE IN THE  
AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........49 49 39 39 39 16 16 16 13 13 13 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............63 63 63 65 68 71 73 74 74 75 74 73  
RH..............15 15 17 16 15 14 14 14 14 15 15 15  
20 FT WIND DIR..W W W W W SW SW SW SW SW SW W  
20 FT WIND SPD..3 3 5 6 7 8 9 10 10 10 10 9  
20 FT WIND GUST.6 6 6 10 12 14 15 16 17 17 17 15  
EYE LVL WND DIR.W W W W W SW SW SW SW SW SW W  
EYE LVL WND SPD.2 2 3 4 5 6 6 7 7 7 7 7  
EYE LVL WND GST.4 4 5 7 9 10 11 12 12 12 12 11  
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
RIDGE WIND SPD..10 10 15 10 15 15 15 15 20 20 20 20  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
 

 
FORECASTER...SEBASTIAN WESTERINK  
REQUESTED BY...ART LOZANO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607888.3/SGX  
.DELDT 03/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ARTURO.LOZANO@USDA.GOV  
 
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