726  
FNUS76 KSGX 280301  
FWSSGX  
 
SPOT FORECAST FOR CARBON FIRE...ORANGE COUNTY FIRE AUTHORITY  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
801 PM PDT MON APR 27 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 PDT ON APRIL 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
TUESDAY, EXPECT MOSTLY SUNNY CONDITIONS WITH A HIGH TEMPERATURE  
AROUND 72 WITH SW WINDS 8-13 MPH GUSTING AROUND 20 MPH IN THE  
AFTERNOON. WINDS SLOWLY WEAKEN IN THE LATE EVENING AS HUMIDITY  
RECOVERS ABOVE 90% OVERNIGHT. SIMILAR CONDITIONS WEDNESDAY WITH  
CLOUDIER AND SLIGHTLY BREEZIER CONDITIONS LATE IN THE DAY.  
 
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 8 TO 13 MPH WITH  
GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
RIDGETOP...........WEST 5 MPH SHIFTING TO THE SOUTHWEST LATE  
IN THE AFTERNOON.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 7 MPH WITH  
GUSTS TO AROUND 11 MPH IN THE AFTERNOON.  
 
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........50 50 50 20 20 20 14 14 14 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............53 56 61 64 67 69 71 71 72 70  
RH..............87 80 67 60 53 48 48 48 47 49  
20 FT WIND DIR..S S SW SW SW SW SW SW SW SW  
20 FT WIND SPD..1 2 2 3 3 5 7 7 8 9  
20 FT WIND GUST.5 6 6 7 8 9 11 13 14 15  
EYE LVL WND DIR.S S SW SW SW SW SW SW SW SW  
EYE LVL WND SPD.1 1 1 2 3 4 4 5 6 7  
EYE LVL WND GST.4 4 4 5 6 7 8 9 10 11  
RIDGE WIND DIR..W NW NW W W W W W SW SW  
RIDGE WIND SPD..5 0 0 5 5 5 5 5 10 10  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
MIN TEMPERATURE.....AROUND 50.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND  
14 MPH EARLY IN THE EVENING BECOMING LIGHT.  
RIDGETOP...........SOUTHWEST 10 MPH.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 6 MPH WITH GUSTS TO  
AROUND 10 MPH EARLY IN THE EVENING BECOMING  
LIGHT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........11 11 11 11 11 27 27 27 27 27 27 36  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............69 66 62 60 58 57 56 54 53 52 51 51  
RH..............52 57 64 69 73 77 82 85 90 93 95 95  
20 FT WIND DIR..SW SW W SW SW S S S S S S S  
20 FT WIND SPD..8 7 5 5 3 3 3 3 3 2 2 2  
20 FT WIND GUST.14 12 9 8 8 8 7 6 6 6 6 6  
EYE LVL WND DIR.SW SW W SW SW S S S S S S S  
EYE LVL WND SPD.6 5 4 3 3 3 2 2 2 2 1 1  
EYE LVL WND GST.10 9 7 6 6 6 5 5 5 5 4 4  
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
RIDGE WIND SPD..10 10 10 10 10 10 5 5 5 5 5 5  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH WITH  
GUSTS TO AROUND 22 MPH LATE IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 5 MPH INCREASING TO 15 TO 20 MPH  
IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 36 36 36 36 30 30 30 30 30 30 38  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............52 53 55 59 62 66 68 70 71 71 71 69  
RH..............96 94 89 80 70 62 57 54 52 51 52 54  
20 FT WIND DIR..SE S S S S SW SW SW SW SW SW SW  
20 FT WIND SPD..2 2 2 2 3 5 6 7 10 11 13 13  
20 FT WIND GUST.5 5 6 6 6 9 11 12 16 18 20 22  
EYE LVL WND DIR.SE S S S S SW SW SW SW SW SW SW  
EYE LVL WND SPD.1 1 1 1 2 4 4 5 6 6 7 7  
EYE LVL WND GST.4 4 4 5 5 7 8 9 10 11 11 12  
RIDGE WIND DIR..S E N N SE SE S SW SW SW SW SW  
RIDGE WIND SPD..5 0 0 0 0 0 5 5 10 15 20 20  
 
 
FORECASTER...SEBASTIAN WESTERINK  
REQUESTED BY...DAVID NEWELL  
TYPE OF REQUEST...WILDFIRE  
.TAG 2611891.0/SGX  
.DELDT 04/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVIDNEWELL@OCFA.ORG  
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