966  
FNUS76 KSGX 101630  
FWSSGX  
 
SPOT FORECAST FOR UNIT 58...USFS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
930 AM PDT TUE MAR 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0000 PDT ON MARCH 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
OFFSHORE FLOW WILL BE PERSISTENT THROUGH THE FORECAST PERIOD WITH DRY  
WEATHER. CALMER WINDS OUT OF THE NORTHWEST THIS EVENING WILL TRANSITION  
TO NORTHEAST WINDS. THESE WINDS WILL INCREASE ON WEDNESDAY WITH SURFACE  
GUSTS NEAR 20 MPH AT TIMES IN THE LATE MORNING AND EARLY AFTERNOON. THE  
AIR WILL BEGIN TO DRY OUT MORE ON WEDNESDAY, ESPECIALLY THURSDAY, WHERE  
RH VALUES WILL LOWER NEAR 15 PERCENT. WINDS WILL EASE OVERNIGHT WEDNESDAY,  
THEN INCREASED AGAIN LATE MORNING INTO THE EARLY AFTERNOON HOURS ON THURSDAY  
WITH SURFACE GUSTS NEAR 25 MPH AT TIMES.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........71 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS 3 TO 5 MPH, TRANSITIONING TO NORTHEAST  
WINDS 6 TO 8 MPH OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS AROUND 5 MPH OVERNIGHT, TRANSITIONING  
TO NORTHEAST AROUND 7 TO 9 MPH OVERNIGHT.  
RIDGETOP...........NORTH 5 TO 10 MPH SHIFTING TO THE NORTHEAST  
AFTER 3 AM.  
CWR.................1 PERCENT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTH 6 TO 8 MPH SHIFTING TO THE NORTHEAST  
AROUND 6 MPH AFTER 3 AM.  
 
TIME (PDT) MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 5 3 3 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............44 44 43 43 43 42  
RH..............62 59 57 57 57 58  
20 FT WIND DIR..NW N N NE NE E  
20 FT WIND SPD..6 6 7 8 9 10  
20 FT WIND GUST.8 9 9 10 12 13  
EYE LVL WND DIR.NW N N NE NE E  
EYE LVL WND SPD.4 5 5 6 7 8  
EYE LVL WND GST.6 7 7 8 10 11  
RIDGE WIND DIR..NW NW N N N NE  
RIDGE WIND SPD..10 10 10 5 5 10  
CWR.............0 0 0 0 0 0  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........30 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 10 MPH. GUSTS UP TO 20 MPH  
EARLY IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 9 TO 12 MPH. GUSTS UP TO 24 MPH  
EARLY IN THE AFTERNOON.  
RIDGETOP...........NORTHEAST 15 TO 20 MPH.  
CWR.................1 PERCENT.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 9 TO 15 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 3 5 5 5 1 1 1 3 3 3 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............45 45 46 52 56 59 61 63 63 63 63 61  
RH..............51 52 51 42 38 32 30 30 30 30 31 33  
20 FT WIND DIR..E E E E NE NE NE NE NE NE NE NE  
20 FT WIND SPD..9 9 9 10 12 12 12 12 12 12 12 12  
20 FT WIND GUST.12 12 13 14 16 20 24 24 24 24 23 21  
EYE LVL WND DIR.E E E E NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.7 7 8 8 8 10 10 10 10 10 10 9  
EYE LVL WND GST.10 10 11 12 14 17 19 20 20 20 19 18  
RIDGE WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..10 10 10 10 15 15 15 15 10 10 10 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
MIN TEMPERATURE.....AROUND 49.  
MAX HUMIDITY........39 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 5 TO 7 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS AROUND 7 TO 9 MPH.  
RIDGETOP...........NORTHEAST AROUND 10 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 9 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 2 2 2 2 2 2 2 2 2 2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............59 56 53 52 52 52 51 51 51 50 50 51  
RH..............35 38 39 39 38 37 36 36 36 36 36 35  
20 FT WIND DIR..NE NE NE NE NE E E E E E E E  
20 FT WIND SPD..8 8 7 7 7 7 7 8 8 8 8 8  
20 FT WIND GUST.11 11 9 9 9 9 9 9 10 10 10 10  
EYE LVL WND DIR.NE NE NE NE NE E E E E E E E  
EYE LVL WND SPD.6 6 6 6 5 5 5 6 6 6 7 7  
EYE LVL WND GST.9 9 8 8 6 6 7 7 8 9 9 9  
RIDGE WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 10 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........16 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS 7 TO 12 MPH. GUSTS 10 TO 15 MPH,  
IN THE LATE MORNING, INCREASING 20 TO 24 MPH  
IN THE EARLY AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 9 TO 14 MPH. GUSTS 13 TO 20 MPH,  
IN THE LATE MORNING, INCREASING 22 TO 28 MPH  
IN THE EARLY AFTERNOON.  
RIDGETOP...........NORTHEAST 10 TO 20 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 2 2 2 2 2 2 2 2 2 2 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............51 52 54 58 62 66 68 69 69 70 70 69  
RH..............35 34 32 28 24 20 19 19 18 17 17 16  
20 FT WIND DIR..E E E E E NE NE E E E E NE  
20 FT WIND SPD..9 9 9 12 14 15 16 17 17 17 15 13  
20 FT WIND GUST.13 13 14 15 18 20 27 28 28 26 22 19  
EYE LVL WND DIR.E E E E E NE NE E E E E E  
EYE LVL WND SPD.7 7 7 9 12 12 13 14 14 14 12 10  
EYE LVL WND GST.10 10 11 13 16 18 24 24 23 23 19 15  
RIDGE WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..10 10 10 15 15 15 15 20 20 20 15 15  
   
OUTLOOK FOR WEDNESDAY MARCH 18 THROUGH TUESDAY MARCH 24
 
 
INCREASING TEMPERATURES INTO NEXT WEEK WITH DRY WEATHER PREVAILING.  
 

 
FORECASTER...ADAM ROSER  
REQUESTED BY...NAYLOR  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605311.0/SGX  
.DELDT 03/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DANIEL.NAYLOR@USDA.GOV  
 
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