567
FNUS76 KSGX 302330
FWSSGX
SPOT FORECAST FOR LAKE MATTHEWS VMP...CAL FIRE RIVERSIDE
NATIONAL WEATHER SERVICE SAN DIEGO CA
430 PM PDT SAT MAY 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON JUNE 02.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ABOVE NORMAL TEMPERATURES WITH HIGHS IN THE MID 80S AND LOWS IN
THE MID 50S FOR MUCH OF THE WEEK. GENERALLY CLEAR SKIES DURING THE
DAY WITH LOCALIZED PATCHY MARINE LAYER CLOUDS NEARBY IN THE
MORNINGS. HUMIDITY AROUND 30-40% IN THE AFTERNOONS WITH OVERNIGHT
RECOVERY AROUND 85-90%. NO PRECIPITATION EXPECTED OVER THE NEXT
WEEK. WINDS WILL GENERALLY BE GUSTING 10-15 MPH AT TIMES IN THE
AFTERNOONS OUT OF THE WEST, WITH LIGHT AND VARIABLE OVERNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........34 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 6 MPH WITH
GUSTS TO AROUND 11 MPH LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 6 TO 9 MPH
WITH GUSTS TO AROUND 15 MPH LATE IN THE
MORNING.
RIDGETOP...........
CWR.................0 PERCENT.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 2 TO 10 MPH SHIFTING TO THE WEST 12
TO 13 MPH LATE IN THE AFTERNOON.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 24 24 24 15 15 15 15 15 15 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59 62 65 69 73 76 79 81 82 81 80
RH..............77 70 61 52 45 41 38 36 34 34 36
20 FT WIND DIR..E NW NW NW W W W W W W W
20 FT WIND SPD..1 2 2 2 6 6 6 9 9 9 9
20 FT WIND GUST.4 6 6 6 10 10 10 15 15 15 15
EYE LVL WND DIR.E NW NW NW W W W W W W W
EYE LVL WND SPD.1 1 1 1 4 4 4 6 6 6 6
EYE LVL WND GST.3 4 4 4 7 7 7 11 11 11 11
RIDGE WIND DIR..M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........83 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND 11
MPH IN THE EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 7 TO 9 MPH WITH GUSTS TO AROUND 15
MPH IN THE EVENING BECOMING LIGHT.
RIDGETOP...........
CWR.................0 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 13 MPH SHIFTING TO THE NORTHWEST 2 TO
3 MPH OVERNIGHT, THEN SHIFTING TO THE NORTH
AROUND 3 MPH EARLY IN THE MORNING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 3 3 3 10 10 10 10 10 10 17
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............77 74 71 68 66 64 62 60 59 58 57 58
RH..............41 46 51 57 62 67 72 76 79 82 83 82
20 FT WIND DIR..W W W W W W W W SW SW SW SE
20 FT WIND SPD..9 9 7 7 7 3 3 3 1 1 1 1
20 FT WIND GUST.15 15 13 13 13 9 9 9 5 5 5 4
EYE LVL WND DIR.W W W W W W W W SW SW SW SE
EYE LVL WND SPD.6 6 5 5 5 2 2 2 1 1 1 1
EYE LVL WND GST.11 11 9 9 9 7 7 7 4 4 4 3
RIDGE WIND DIR..M M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........35 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 6 MPH WITH
GUSTS TO AROUND 11 MPH LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 9 MPH WITH GUSTS
TO AROUND 15 MPH LATE IN THE MORNING.
RIDGETOP...........
CWR.................0 PERCENT.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 2 TO 5 MPH SHIFTING TO THE WEST 7 TO
14 MPH LATE IN THE MORNING.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 17 17 17 17 12 12 12 12 12 12 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58 60 63 67 72 76 79 82 83 84 84 82
RH..............80 76 69 61 52 45 41 38 36 35 35 36
20 FT WIND DIR..SE SE N N N W W W W W W W
20 FT WIND SPD..1 1 0 0 0 5 5 5 8 8 8 9
20 FT WIND GUST.4 4 4 4 4 10 10 10 15 15 15 15
EYE LVL WND DIR.SE SE N N N W W W W W W W
EYE LVL WND SPD.1 1 0 0 0 4 4 4 6 6 6 6
EYE LVL WND GST.3 3 3 3 3 7 7 7 11 11 11 11
RIDGE WIND DIR..M M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...SAMANTHA ZUBER
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...PRESCRIBED
.TAG 2614688.0/SGX
.DELDT 05/30/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page