042
FNUS76 KSGX 130844
FWSSGX
SPOT FORECAST FOR LAKE PERRIS RX...CALIFORNIA STATE PARKS
NATIONAL WEATHER SERVICE SAN DIEGO CA
144 AM PDT WED MAY 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A VERY DEEP MARINE LAYER WILL CONTINUE OVER THE ENTIRE COASTAL BASIN
TODAY THROUGH THURSDAY. COOL AND HUMID CONDITIONS WILL PREVAIL,
WITH EXCELLENT HUMIDITY RECOVERY OVERNIGHT. WINDS WILL REFLECT THE
TYPICAL AFTERNOON AND EARLY EVENING SEA BREEZE.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (65-75 PERCENT) THEN BECOMING
SUNNY (0-10 PERCENT). PATCHY FOG LATE IN THE
MORNING.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........38 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 6 MPH WITH
GUSTS TO AROUND 11 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH LATE IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 7 TO 9 MPH
WITH GUSTS TO AROUND 15 MPH LATE IN THE
AFTERNOON.
RIDGETOP...........WEST 5 TO 10 MPH.
CWR.................1 PERCENT.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 10 MPH INCREASING TO AROUND 10 MPH
LATE IN THE AFTERNOON.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........69 69 3 3 3 1 1 1 4
WEATHER COV.....PTY PTY
WEATHER TYPE....FOG FOG
TSTM COV........
TEMP............61 65 68 71 75 77 79 79 77
RH..............85 69 59 51 45 41 39 40 42
20 FT WIND DIR..SW W W SW SW W NW W W
20 FT WIND SPD..1 2 2 2 2 7 8 8 9
20 FT WIND GUST.4 5 6 6 6 11 13 15 15
EYE LVL WND DIR.SW W W SW SW W NW W W
EYE LVL WND SPD.1 1 1 2 1 4 6 6 6
EYE LVL WND GST.3 4 4 5 4 8 9 11 11
RIDGE WIND DIR..SW SW W W W W W W W
RIDGE WIND SPD..5 5 5 5 5 5 10 10 5
CWR.............0 0 0 0 0 0 0 0 0
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). PATCHY FOG
OVERNIGHT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........98 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 6 MPH WITH GUSTS TO AROUND 10
MPH IN THE EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND 14
MPH IN THE EVENING BECOMING LIGHT.
RIDGETOP...........WEST 0 TO 5 MPH SHIFTING TO THE NORTHWEST.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST 2 TO
3 MPH LATE IN THE EVENING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........4 4 3 3 3 11 11 11 37 37 37 39
WEATHER COV..... PTY PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG FOG
TSTM COV........
TEMP............77 75 70 67 65 62 60 58 56 55 54 53
RH..............44 47 53 59 65 71 77 82 90 92 94 98
20 FT WIND DIR..W W W W W W W SW SW SW SW SW
20 FT WIND SPD..8 8 7 6 5 3 2 2 2 2 2 1
20 FT WIND GUST.14 13 12 11 8 6 6 6 6 6 5 5
EYE LVL WND DIR.W W W W W W W SW SW SW SW SW
EYE LVL WND SPD.6 6 5 4 3 2 1 1 1 1 1 1
EYE LVL WND GST.10 9 9 8 6 5 5 4 4 4 4 4
RIDGE WIND DIR..W W NW N N NW NW NW NW W W W
RIDGE WIND SPD..5 0 5 0 5 10 5 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY SUNNY (5-15 PERCENT). PATCHY FOG EARLY
IN THE MORNING.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........34 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST UP TO 6 MPH WITH
GUSTS TO AROUND 10 MPH IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 8 MPH
WITH GUSTS TO AROUND 14 MPH IN THE AFTERNOON.
RIDGETOP...........WEST AROUND 5 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 2 TO 6 MPH SHIFTING TO THE WEST 7 TO
9 MPH IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 39 16 16 16 2 2 2 1 1 1 3
WEATHER COV.....PTY PTY
WEATHER TYPE....FOG FOG
TSTM COV........
TEMP............54 54 57 62 67 71 76 78 80 82 81 80
RH..............95 92 88 75 64 52 41 38 36 35 39 41
20 FT WIND DIR..W W W W W W W W NW NW NW NW
20 FT WIND SPD..1 1 1 1 2 2 5 6 7 8 8 8
20 FT WIND GUST.4 4 4 5 6 8 10 11 13 14 14
EYE LVL WND DIR.W W W W W W W W NW NW NW NW
EYE LVL WND SPD.1 1 1 1 1 1 3 4 4 5 6 6
EYE LVL WND GST.3 3 3 4 5 6 7 8 9 10 10
RIDGE WIND DIR..W W W W W W W W W W NW NW
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...MIGUEL MILLER
REQUESTED BY...SARAH GIBSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2613432.0/SGX
.DELDT 05/13/26
.FORMATTERVERSION 2.0.0
.EMAIL SARAH.GIBSON@PARKS.CA.GOV
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