717
FNUS76 KSGX 212340
FWSSGX
SPOT FORECAST FOR SUGAR...SAN BERNARDINO NATIONAL FOREST
NATIONAL WEATHER SERVICE SAN DIEGO CA
440 PM PDT MON JUL 21 2025
FORECAST IS BASED ON FORECAST START TIME OF 1700 PDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE CONDITIONS DOMINATE THE REGION WITH SEASONALLY COOLER
TEMPERATURES THANKS TO TROUGHING TO THE NORTH ALLOWING FOR AN
INCREASE AND PERSISTENCE OF ONSHORE FLOW. THERE WILL BE EVEN
SLIGHTLY COOLER TEMPERATURES FOR THE AREA OF INTEREST TOMORROW,
WHILE REMAINING DRY. MINIMAL RH VALUES TOMORROW AFTERNOON WILL BE
AROUND 15 PERCENT. TRANSPORT WINDS WILL BE OUT OF THE SOUTHWEST
AROUND 13 MPH THROUGHOUT THE REST OF TODAY, AND REMAIN OUT OF THAT
DIRECTION, ONLY A LITTLE LIGHTER FOR TOMORROW.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........26 PERCENT.
EYE LEVEL WINDS.....WEST WINDS AROUND 5 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 8 MPH.
RIDGETOP...........SOUTHWEST AROUND 10 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH.
TIME (PDT) 5PM
SKY (%).........8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............68
RH..............36
20 FT WIND DIR..W
20 FT WIND SPD..8
20 FT WIND GUST.13
EYE LVL WND DIR.W
EYE LVL WND SPD.5
EYE LVL WND GST.9
RIDGE WIND DIR..SW
RIDGE WIND SPD..10
CWR.............0
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........42 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH EARLY IN THE
EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH INCREASING TO AROUND 15
MPH EARLY IN THE MORNING.
CWR.................1 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........8 8 7 7 7 7 7 7 7 7 7 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............69 69 65 58 55 53 52 50 49 48 48 47
RH..............38 37 40 42 39 34 32 30 27 28 26 25
20 FT WIND DIR..W W SW SW SW SW SW SW SW S S S
20 FT WIND SPD..6 5 5 3 3 2 2 2 2 2 2 2
20 FT WIND GUST.11 10 9 7 6 6 5 5 5 5 5 5
EYE LVL WND DIR.W W SW SW SW SW SW SW SW S S S
EYE LVL WND SPD.4 4 3 3 2 1 1 1 1 1 1 1
EYE LVL WND GST.8 7 7 5 5 4 4 4 4 4 4 4
RIDGE WIND DIR..SW SW SW SW SW S SW SW S SW SW SW
RIDGE WIND SPD..10 10 10 10 5 10 5 5 10 10 10 15
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........15 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 5 MPH LATE IN
THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 8 MPH
LATE IN THE MORNING.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
CWR.................1 PERCENT.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 10 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 4 4 4 4 5 5 5 5 5 5 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............48 50 58 65 67 67 68 67 67 68 68 67
RH..............26 25 21 15 16 19 23 25 27 28 28 30
20 FT WIND DIR..SW S SW SW W W W W W W W W
20 FT WIND SPD..2 2 2 2 3 5 6 7 7 8 8 7
20 FT WIND GUST.5 5 6 6 7 10 11 12 12 13 13 12
EYE LVL WND DIR.SW S SW SW W W W W W W W W
EYE LVL WND SPD.1 1 1 1 3 4 4 5 5 5 5 5
EYE LVL WND GST.4 4 4 4 5 7 8 9 9 9 9 9
RIDGE WIND DIR..SW SW SW SW SW SW SW W W W W W
RIDGE WIND SPD..10 5 10 5 5 5 5 5 10 10 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...PAUL STEWARD
REQUESTED BY...BC 62
TYPE OF REQUEST...WILDFIRE
.TAG 2518387.0/SGX
.DELDT 07/21/25
.FORMATTERVERSION 2.0.0
.EMAIL CASBCC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page