752
FNUS76 KSGX 240423
FWSSGX
SPOT FORECAST FOR KIRBY...CALFIRE RIVERSIDE
NATIONAL WEATHER SERVICE SAN DIEGO CA
923 PM PDT THU JUL 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 2100 PDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
..HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT MONDAY
DISCUSSION
WINDS BECOMING LIGHT OVERNIGHT WITH MOSTLY CLEAR CONDITIONS EXPECTED
WITH RELATIVE HUMIDITY RECOVERING FAIRLY WELL NEAR 60 PERCENT. CALM
WINDS PREVAIL THROUGH THE MORNING WITH ANOTHER BREEZY DAY WITH WESTERLY
SURFACE GUSTS NEARING 20 MPH AT TIMES IN THE AFTERNOON. LIGHTER WINDS
OUT OF THE WEST ARE EXPECTED ON SATURDAY. HOT AND DRY CONDITIONS PREVAIL
WITH HIGH TEMPERATURES NEAR 100 DEGREES AND RELATIVE HUMIDITY LOWERING
NEAR 20 PERCENT EACH DAY WITH MODEST OVERNIGHT RECOVERIES.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........64 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........CALM THIS EVENING TURNING SOUTHEAST AROUND 10
MPH EARLY IN THE MORNING.
CWR.................2 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 8 MPH.
TIME (PDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 6 6 6 9 9 9 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............86 79 75 72 67 65 66 65 66
RH..............28 35 45 50 59 60 60 58 58
20 FT WIND DIR..W NW N N N N N N N
20 FT WIND SPD..5 5 3 3 3 3 3 3 3
20 FT WIND GUST.7 6 6 6 6 7 7 8 8
EYE LVL WND DIR.W N N N N N N N N
EYE LVL WND SPD.4 4 2 2 2 2 3 3 3
EYE LVL WND GST.6 5 5 5 5 5 5 6 6
RIDGE WIND DIR..N N E S S SE SE SE SE
RIDGE WIND SPD..0 0 5 5 5 10 10 10 10
CWR.............0 0 0 0 0 0 0 0 0
FRIDAY
SKY/WEATHER.........PARTLY TO MOSTLY SUNNY (20-40 PERCENT).
MAX TEMPERATURE.....AROUND 102.
MIN HUMIDITY........20 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 4 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE WEST IN THE
AFTERNOON AROUND 8 MPH WITH GUSTS NEAR 17 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH AROUND 6 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE WEST IN THE
AFTERNOON AROUND 10 MPH WITH GUSTS NEAR 19 MPH.
CWR.................5 PERCENT.
MIXING HEIGHT.......9700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH EARLY IN THE MORNING,
THEN SHIFTING TO THE SOUTHWEST 3 TO 8 MPH LATE IN
THE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 30 11 11 11 16 16 16 37 37 37 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 73 85 93 97 100 101 101 102 101 101 99
RH..............62 50 37 29 24 22 22 21 20 21 21 23
20 FT WIND DIR..N N E S SE SE SE SW W W W W
20 FT WIND SPD..3 3 1 2 6 8 6 3 8 9 9 9
20 FT WIND GUST.8 7 5 7 11 11 13 15 16 18 19 19
EYE LVL WND DIR.N N W SW S SE S W W W W W
EYE LVL WND SPD.3 2 1 2 4 4 4 4 7 7 7 7
EYE LVL WND GST.6 5 4 5 9 9 11 13 14 15 17 17
RIDGE WIND DIR..SE SE SE SE SE SE SE S S W SW SW
RIDGE WIND SPD..10 10 15 10 10 10 5 5 5 5 5 5
CWR.............0 0 0 0 0 5 5 5 5 5 5 5
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........56 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 8 MPH WITH GUSTS TO AROUND 12
MPH EARLY IN THE EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND 14
MPH EARLY IN THE EVENING BECOMING LIGHT OUT OF
THE NORTH.
RIDGETOP...........WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
EARLY IN THE EVENING.
CWR.................1 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 15 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........24 24 2 2 2 8 8 8 8 8 8 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............97 93 86 80 76 72 69 67 65 65 64 64
RH..............24 27 32 39 44 48 50 54 56 56 54 52
20 FT WIND DIR..W W W W NW NW NW NW NW NW NW NW
20 FT WIND SPD..9 9 7 5 3 3 6 3 5 3 5 3
20 FT WIND GUST.14 14 11 8 6 6 6 6 7 7 7
EYE LVL WND DIR.W W W W NW NW NW N N N N N
EYE LVL WND SPD.6 4 4 3 2 1 1 1 2 2 3 3
EYE LVL WND GST.12 12 10 6 5 4 4 4 5 5 5 5
RIDGE WIND DIR..W W SW W W SW SW SW S SW SW S
RIDGE WIND SPD..10 10 15 15 15 10 10 10 10 10 10 15
CWR.............1 1 0 0 0 0 0 0 0 0 0 0
SATURDAY
SKY/WEATHER.........PARTLY TO MOSTLY SUNNY (10-30 PERCENT).
MAX TEMPERATURE.....AROUND 101.
MIN HUMIDITY........18 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 7 MPH WITH
GUSTS TO AROUND 11 MPH IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 7 TO 10 MPH WITH
GUSTS TO AROUND 14 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH SHIFTING TO THE WEST 10
TO 15 MPH LATE IN THE AFTERNOON.
CWR.................2 PERCENT.
MIXING HEIGHT.......9800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON,
THEN SHIFTING TO THE WEST AROUND 15 MPH LATE IN
THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 11 11 11 11 27 27 27 26 26 26 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............63 72 83 90 95 98 99 101 101 100 100 98
RH..............58 46 35 28 23 20 19 18 18 19 19 20
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..5 3 5 5 5 6 6 7 7 8 8 8
20 FT WIND GUST.6 5 6 11 12 12 13 14 14 14 14
EYE LVL WND DIR.N NW W W SW SW SW W W W W W
EYE LVL WND SPD.1 1 1 2 4 6 6 6 6 7 7 7
EYE LVL WND GST.5 4 3 5 8 9 10 10 10 11 11 11
RIDGE WIND DIR..S S S S S S SW SW W W W W
RIDGE WIND SPD..10 10 10 10 10 10 5 5 10 10 10 15
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...ADAM ROSER
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...WILDFIRE
.TAG 2618092.0/SGX
.DELDT 07/23/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
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