754  
FNUS76 KSGX 231239  
FWSSGX  
 
SPOT FORECAST FOR CORONA DO PILE BURN...FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
439 AM PST FRI JAN 23 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0620 PST ON JANUARY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
CLOUDY, LIKELY DRY WEATHER TODAY (5% CHANCE FOR RAIN SHOWERS TODAY  
AND TONIGHT). BREEZY WEST WINDS THIS AFTERNOON, WITH WEAKER WINDS  
SATURDAY AFTERNOON. WINDS TURN OFFSHORE EARLY SUNDAY MORNING,  
PEAK SUNDAY MORNING AND AFTERNOON, BUT CONTINUE TO BE OFFSHORE  
THROUGH EARLY NEXT WEEK. THIS WILL LEAD TO A DRYING TREND WITH  
DAYTIME HUMIDITY AROUND 20% BY TUESDAY, BUT OVERNIGHT RECOVERIES  
WILL REMAIN MODERATE 40-50%.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 67 DEGREES.  
MIN HUMIDITY........62 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST 1-2 MPH BECOMING WEST UP TO 6 MPH WITH  
GUSTS TO AROUND 10 MPH IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST 1-3 MPH BECOMING WEST 5-9 MPH WITH GUSTS  
TO AROUND 14 MPH IN THE AFTERNOON.  
RIDGETOP...........NORTHWEST AROUND 5 MPH SHIFTING TO THE WEST 5  
TO 10 MPH.  
CWR.................4 PERCENT.  
MIXING HEIGHT.......3600 FT AGL.  
TRANSPORT WINDS.....SOUTH TO SOUTHEAST TO 5 MPH IN THE MORNING, THEN SHIFTING TO  
THE WEST 3 TO 12 MPH IN THE LATE MORNING AND  
AFTERNOON.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........48 58 58 58 40 40 40 28 28 28 22 22  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............50 50 52 54 56 59 63 65 66 66 65 64  
RH..............100 100 99 93 87 82 71 68 63 62 64 68  
20 FT WIND DIR..SE E E N N NW NW NW W W W W  
20 FT WIND SPD..1 1 1 0 2 2 5 6 7 8 8 8  
20 FT WIND GUST.4 4 4 1 5 6 8 11 11 13 14 13  
EYE LVL WND DIR.SE E E E N NW NW NW W W W W  
EYE LVL WND SPD.1 1 1 1 1 1 3 4 4 6 6 5  
EYE LVL WND GST.3 3 3 4 4 6 8 8 9 10 9  
RIDGE WIND DIR..NW SW W SW SW SW W W W W W W  
RIDGE WIND SPD..0 0 0 0 5 5 5 5 5 10 5 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY.  
MIN TEMPERATURE.....AROUND 50 DEGREES.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....WEST WINDS AROUND 4 MPH EARLY IN THE EVENING  
BECOMING VARIABLE 1-3 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING VARIABLE 1-3 MPH.  
RIDGETOP...........WEST 5 TO 10 MPH.  
CWR.................3 PERCENT.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 10 MPH.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........22 25 25 25 47 47 47 65 65 65 73 73  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............62 59 57 56 55 55 54 53 53 53 52 52  
RH..............74 84 84 88 92 88 92 95 96 98 100 100  
20 FT WIND DIR..W W W W W W W W W W NW W  
20 FT WIND SPD..7 6 5 3 2 2 2 2 2 2 2 2  
20 FT WIND GUST.11 11 9 7 6 6 6 6 6 6 6 6  
EYE LVL WND DIR.W W W W W W W W W W NW W  
EYE LVL WND SPD.4 4 4 2 1 1 1 1 1 1 1 1  
EYE LVL WND GST.8 8 7 5 4 4 4 4 5 5 5 4  
RIDGE WIND DIR..W W W SW W SW SW W SW SW W W  
RIDGE WIND SPD..10 10 5 5 10 5 5 5 5 5 10 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY THEN BECOMING  
MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 66 DEGREES.  
MIN HUMIDITY........53 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 5 MPH IN THE  
AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 7 MPH IN THE  
AFTERNOON.  
RIDGETOP...........NORTHWEST AROUND 5 MPH INCREASING TO NORTH AROUND  
15 MPH.  
CWR.................2 PERCENT.  
MIXING HEIGHT.......4300 FT AGL.  
TRANSPORT WINDS.....WEST 2 TO 5 MPH INCREASING TO 6 TO 9 MPH IN THE  
AFTERNOON.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........73 50 50 50 44 44 44 23 23 23 9 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............51 51 52 55 57 60 63 64 65 66 65 63  
RH..............100 100 100 93 84 75 67 61 57 54 53 54  
20 FT WIND DIR..SW SW SW W W W W W W W W W  
20 FT WIND SPD..2 1 1 1 2 3 5 6 7 7 7 7  
20 FT WIND GUST.5 5 4 5 6 6 9 11 12 13 13 12  
EYE LVL WND DIR.SW SW SW W W W W W W W W W  
EYE LVL WND SPD.1 1 1 1 1 2 4 4 4 5 5 5  
EYE LVL WND GST.4 4 3 4 4 5 7 8 9 9 9 9  
RIDGE WIND DIR..W NW W NW NW NW NW NW NW NW N N  
RIDGE WIND SPD..5 5 5 0 5 5 5 5 10 10 10 15  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. EAST  
WINDS 5-10 MPH.    
MONDAY
 
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. LIGHT  
EAST WINDS.    
TUESDAY
 
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. LIGHT  
EAST WINDS.  
 

 
FORECASTER...CHANDLER PRICE  
REQUESTED BY...CYRUS GALVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2600558.2/SGX  
.DELDT 01/23/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CYRUS.GALVAN@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page