351
FNUS76 KSGX 211142
FWSSGX
SPOT FORECAST FOR BAIN...CAL FIRE RRU
NATIONAL WEATHER SERVICE SAN DIEGO CA
442 AM PDT THU MAY 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SEASONAL ONSHORE FLOW WILL PREVAIL TODAY THROUGH FRIDAY, WITH
TYPICAL AFTERNOON AND EARLY EVENING SEA BREEZES. LOW HUMIDITY
THIS AFTERNOON WILL ENJOY A VERY GOOD RECOVERY TONIGHT AS THE
MARINE LAYER DEEPENS AND EXTENDS INTO THE INCIDENT LOCATION,
PROBABLY BRINGING A FEW HOURS OF FOG BY SUNRISE. FRIDAY WILL BE
A LITTLE COOLER AND MORE HUMID AS A RESULT OF THE MARINE
LAYER'S GREATER INFLUENCE.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........22 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 9 MPH WITH
GUSTS TO AROUND 15 MPH LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 13 MPH WITH
GUSTS TO AROUND 20 MPH LATE IN THE MORNING.
RIDGETOP...........NORTH 0 TO 5 MPH SHIFTING TO THE SOUTH LATE IN
THE MORNING, THEN INCREASING TO WEST 10 TO 15
MPH EARLY IN THE AFTERNOON INCREASING TO 15 TO
20 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....WEST 2 TO 9 MPH INCREASING TO 12 TO 18 MPH IN
THE AFTERNOON.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 7 7 7 5 5 5 3 3 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 64 70 74 79 83 85 86 87 86 84
RH..............73 64 55 47 34 27 23 23 24 26 27
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..1 1 1 2 5 7 9 12 13 13 13
20 FT WIND GUST.5 5 5 6 8 12 15 18 20 20 20
EYE LVL WND DIR.W W W W W W W W W W W
EYE LVL WND SPD.1 1 1 1 3 5 6 8 9 9 9
EYE LVL WND GST.4 4 4 4 6 9 11 13 14 15 14
RIDGE WIND DIR..N NE N NW S W W W W W W
RIDGE WIND SPD..5 5 0 5 0 10 10 10 15 20 15
CWR.............0 0 0 0 0 0 0 0 0 0 0
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FOG LATE.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........93 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 7 MPH WITH GUSTS TO AROUND 12
MPH IN THE EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND 17
MPH IN THE EVENING BECOMING LIGHT.
RIDGETOP...........WEST 15 TO 20 MPH DECREASING TO 5 TO 10 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH DECREASING TO 3 TO 7 MPH IN
THE LATE EVENING AND OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 3 3 3 4 4 4 4 4 4 17
WEATHER COV.....
WEATHER TYPE.... FG FG
TSTM COV........
TEMP............81 78 74 71 69 67 65 62 58 56 55 55
RH..............28 33 37 43 48 57 68 75 80 86 90 92
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..10 9 7 6 6 5 3 3 3 3 2 2
20 FT WIND GUST.17 15 13 11 10 9 8 7 6 6 6 6
EYE LVL WND DIR.W W W W W W W W W W W W
EYE LVL WND SPD.7 6 5 4 4 3 3 2 2 2 1 1
EYE LVL WND GST.12 11 9 8 7 7 6 5 5 5 5 5
RIDGE WIND DIR..W W W W W NW W W NW W W W
RIDGE WIND SPD..20 20 15 15 15 10 15 10 5 10 10 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT). PATCHY FOG
EARLY.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........33 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 9 MPH WITH
GUSTS TO AROUND 13 MPH IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 12 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 6 TO 12 MPH
WITH GUSTS TO AROUND 18 MPH IN THE AFTERNOON.
RIDGETOP...........WEST 5 TO 10 MPH INCREASING TO AROUND 15 MPH
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 2 TO 9 MPH INCREASING TO 12 TO 17 MPH IN
THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 17 16 16 16 8 8 8 6 6 6 2
WEATHER COV.....
WEATHER TYPE....FG FG FG
TSTM COV........
TEMP............59 60 62 67 71 75 79 81 83 83 82 81
RH..............92 90 81 70 62 49 38 36 35 33 33 34
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..2 2 2 2 2 3 6 8 10 12 12 12
20 FT WIND GUST.6 5 5 6 6 8 11 14 16 18 18 18
EYE LVL WND DIR.W W W W W W W W W W W W
EYE LVL WND SPD.1 1 1 1 2 3 4 6 7 8 9 9
EYE LVL WND GST.4 4 4 4 5 6 8 10 12 13 13 13
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..5 5 5 5 5 5 10 10 10 10 15 15
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...MIGUEL MILLER
REQUESTED BY...DAN LERMA
TYPE OF REQUEST...WILDFIRE
.TAG 2614087.1/SGX
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL DANIEL.LERMA@FIRE.CA.GOV
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