038
FNUS76 KSGX 050909
FWSSGX
SPOT FORECAST FOR 4TH OF JULY PREPAREDNESS...CAL FIRE RIVERSIDE
NATIONAL WEATHER SERVICE SAN DIEGO CA
209 AM PDT SUN JUL 5 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON JULY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM TODAY WITH HIGHS AROUND NORMAL FOR EARLY JULY. DAYTIME
HUMIDITY WILL BE MODERATED ALONG AND WEST OF THE MOUNTAINS BY THE
MARINE LAYER, WHERE AFTERNOON RELATIVE HUMIDITY WILL FALL TO
AROUND 30 PERCENT, AND AROUND 15-20 PERCENT IN THE DESERTS.
TYPICAL WESTERLY SEA BREEZE WINDS DEVELOP IN THE AFTERNOON,
STRONGEST IN THE SAN GORGONIO PASS WHERE ISOLATED GUSTS TO 40 MPH
WILL OCCUR. ELSEWHERE PEAK GUSTS WILL BE CLOSER TO 20-25 MPH
DURING THE AFTERNOON. LIGHT WINDS WITH GOOD HUMIDITY RECOVERY
FOR THE MOUNTAINS WESTWARD TONIGHT, AND MODERATE RECOVERY FOR THE
DESERT MOUNTAIN SLOPES AND DESERTS. WARMER AND SLIGHTLY DRIER WITH
SIMILAR AFTERNOON WINDS ON MONDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........32 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 7 TO 10 MPH WITH GUSTS
TO 20 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH SHIFTING TO THE WEST LATE
IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........13200-13700 FT.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........18 24 24 24 12 12 12 9 9 9 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 67 71 77 81 85 89 91 92 93 91
RH..............77 73 65 53 46 41 35 34 33 32 33
SURFACE WND DIR.N E SE S SW SW W NW NW NW NW
SURFACE WND SPD.0 1 1 1 1 3 3 4 7 7 10
SURFACE WND GST.2 3 3 5 7 8 10 12 16 17 17
RIDGE WIND DIR..SW SW S SW S SW SW SW W W SW
RIDGE WIND SPD..5 10 5 5 10 5 5 10 5 5 10
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
SNOW LVL (KFT)..13 13 13 13 13 13 13 13 13 13 14
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........85 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 9 MPH EARLY IN THE
EVENING BECOMING LIGHT.
RIDGETOP...........WEST 5 TO 10 MPH.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........12900-13700 FT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........18 18 14 14 14 5 5 5 3 3 3 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............90 88 82 78 74 72 70 68 67 65 64 63
RH..............34 35 42 49 56 61 66 69 72 78 80 83
SURFACE WND DIR.NW NW N E SE SE S S W NW N N
SURFACE WND SPD.9 9 3 3 4 4 3 1 1 1 1 1
SURFACE WND GST.13 13 10 7 6 5 5 3 3 3 2 2
RIDGE WIND DIR..S SE W W NW W W W SW W W W
RIDGE WIND SPD..5 0 5 0 0 5 5 5 5 5 5 5
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
SNOW LVL (KFT)..14 14 14 14 14 13 13 13 13 13 13 13
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........30 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 10 MPH WITH GUSTS
TO 20 MPH IN THE AFTERNOON.
RIDGETOP...........WEST 5 TO 10 MPH.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........12700-13000 FT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 5 17 17 17 5 5 5 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 63 66 70 78 83 88 91 93 95 94 93
RH..............85 82 76 66 51 42 35 32 31 30 31 31
SURFACE WND DIR.NW N N N N NW NW NW NW NW NW NW
SURFACE WND SPD.1 1 1 0 0 1 3 6 9 9 9 10
SURFACE WND GST.2 2 2 3 5 7 9 12 13 15 17 17
RIDGE WIND DIR..W W SW W W SW SW SW SW W W SW
RIDGE WIND SPD..5 5 5 5 5 5 10 10 10 10 10 10
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
SNOW LVL (KFT)..13 13 13 13 13 13 13 13 13 13 13 13
FORECASTER...STEFANIE SULLIVAN
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...OTHER
.TAG 2616696.1/SGX
.DELDT 07/05/26
.FORMATTERVERSION 2.0.0
.EMAIL JESSE.DOFELMIRE@FIRE.CA.GOV
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