185
FNUS76 KSGX 160458
FWSSGX
SPOT FORECAST FOR PERRIS ECC AC CONTINGENCY...RIVERSIDE COUNTY FIRE
NATIONAL WEATHER SERVICE SAN DIEGO CA
958 PM PDT FRI AUG 15 2025
FORECAST IS BASED ON FORECAST START TIME OF 2200 PDT ON AUGUST 15.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PATCHY LOW CLOUDS AND MIST IN THE MORNINGS WITH EXCELLENT
OVERNIGHT RECOVERIES, FOLLOWED BY BRISK NORTHWEST WINDS IN THE
LATE AFTERNOON AND MODERATE DAYTIME HUMIDITY. OTHERWISE, DRY, MILD
WEATHER CONTINUES.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR BECOMING PARTLY CLOUDY WITH PATCHY FOG
EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 57 DEGREES.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).SOUTH 1-3 MPH.
RIDGETOP...........SOUTHEAST UP TO 5 MPH.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 5 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........10400-10600 FT.
TIME (PDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 14 14 14 49 49 49 92
WEATHER COV..... PTY PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG FOG
TSTM COV........
TEMP............69 67 65 64 63 62 61 60
RH..............70 76 80 82 85 85 88 92
SURFACE WND DIR.SE S S S S S S S
SURFACE WND SPD.6 7 6 4 3 3 3 3
SURFACE WND GST.12 13 12 10 8 8 8 7
RIDGE WIND DIR..SE SW S S S S S S
RIDGE WIND SPD..0 0 0 0 5 5 5 5
CHC OF PCPN (%).0 0 0 0 0 0 0 0
SNOW LVL (KFT)..10 11 11 11 11 11 11 11
SATURDAY
SKY/WEATHER.........CLOUDY WITH PATCHY FOG IN THE MORNING CLEARING
TO SUNNY MID-TO-LATE MORNING.
MAX TEMPERATURE.....AROUND 88 DEGREES.
MIN HUMIDITY........37-40 PERCENT.
SURFACE WINDS (MPH).VARIABLE 1-3 MPH WINDS BECOMING NORTHWEST 7-9 MPH
AFTER 1400 PDT.
RIDGETOP...........SOUTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST
LATE IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTH 1-5 MPH SHIFTING TO THE WEST
MPH IN THE LATE MORNING AND AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........10100-10600 FT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........92 92 60 60 60 1 1 1 0 0 0 1
WEATHER COV.....PTY PTY PTY PTY PTY
WEATHER TYPE....FOG FOG FOG FOG FOG
TSTM COV........
TEMP............60 59 61 64 69 75 79 83 85 86 86 84
RH..............98 100 100 87 72 57 48 42 39 40 43 47
SURFACE WND DIR.S S S S S S S SW SW SW NW NW
SURFACE WND SPD.3 3 3 3 3 1 1 3 3 4 7 9
SURFACE WND GST.7 7 7 7 6 6 6 7 8 10 13 14
RIDGE WIND DIR..S S S SE SE S S SW SW SW SW W
RIDGE WIND SPD..5 5 5 5 5 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)..11 11 11 11 11 10 10 10 10 10 10 10
SATURDAY NIGHT
SKY/WEATHER.........CLEAR THEN BECOMING PARTLY CLOUDY WITH PATCHY
FOG EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 57 DEGREES.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).NORTH WINDS AROUND 7 MPH EARLY IN THE EVENING
BECOMING VARIABLE 1-3 MPH AFTER 1900 PDT.
RIDGETOP...........WEST AROUND 5 MPH SHIFTING TO THE NORTHWEST
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTHWEST OVERNIGHT.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST 1-5 MPH SHIFTING TO THE SOUTH LATE IN THE
EVENING.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........10000-10100 FT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 1 1 1 1 9 9 9 9 9 9 38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............82 80 75 72 69 68 66 64 63 61 60 60
RH..............49 52 59 66 72 76 80 84 88 93 96 97
SURFACE WND DIR.N N NE E SE S S S S S S S
SURFACE WND SPD.7 4 3 3 3 3 3 3 1 1 1 1
SURFACE WND GST.13 10 8 8 7 7 7 6 6 6 6 6
RIDGE WIND DIR..W NW NW NW NW NW W SW SW SW SW SW
RIDGE WIND SPD..5 5 0 0 0 0 0 0 0 0 5 5
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
SNOW LVL (KFT)..10 10 10 10 10 10 10 10 10 10 10 10
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
CLEARING TO SUNNY MID-MORNING.
MAX TEMPERATURE.....AROUND 91 DEGREES.
MIN HUMIDITY........38 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTHWEST 8-12 MPH WITH
GUSTS UP TO 20 MPH IN THE AFTERNOON.
RIDGETOP...........WEST AROUND 5 MPH SHIFTING TO THE NORTHWEST AROUND 10
MPH AFTER 1300 PDT.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 1 MPH SHIFTING TO THE NORTHWEST 5-10 MPH
IN THE LATE MORNING AND AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
SNOW LEVEL..........9900-10300 FT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 38 38 38 38 0 0 0 0 0 0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59 59 62 66 72 78 82 85 87 88 88 86
RH..............100 100 100 84 66 52 45 40 38 38 41 44
SURFACE WND DIR.SE NE N N N NW NW NW NW NW NW NW
SURFACE WND SPD.1 1 1 3 3 3 6 9 10 13 14 14
SURFACE WND GST.6 6 6 6 7 8 12 15 17 21 23 23
RIDGE WIND DIR..W W NW NW W W W W W W W W
RIDGE WIND SPD..5 5 5 5 5 5 5 10 10 10 10 10
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
SNOW LVL (KFT)..10 10 9.9 9.9 9.9 10 10 10 10 10 10 10
FORECASTER...CHANDLER PRICE
REQUESTED BY...TODD LAMBERT
TYPE OF REQUEST...OTHER
.TAG 2520018.0/SGX
.DELDT 08/15/25
.FORMATTERVERSION 2.0.0
.EMAIL TODD.LAMBERT@FIRE.CA.GOV
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