253
FNUS76 KSGX 050058
FWSSGX
SPOT FORECAST FOR HARFORD...CALFIRE RIVERSIDE
NATIONAL WEATHER SERVICE SAN DIEGO CA
558 PM PDT SUN OCT 4 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON OCTOBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LIGHT EAST WINDS MONDAY MORNING AND EARLY AFTERNOON, TURNING
WESTERLY BRIEFLY LATER IN THE AFTERNOON AROUND 5-10 MPH, THEN
LIGHT AND VARIABLE MONDAY EVENING THROUGH TUESDAY MORNING. A LIGHT
SEA BREEZE OUT OF THE WEST IS EXPECTED TUESDAY AFTERNOON. RELATIVE
HUMIDITY MONDAY NIGHT IS EXPECTED TO REACH AROUND 40-45%
OVERNIGHT, DROPPING TO 20-25% TUESDAY AFTERNOON.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........22 PERCENT.
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH IN THE MORNING BECOMING
LIGHT, THEN BECOMING EAST AROUND 7 MPH WITH
GUSTS TO AROUND 11 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 7 MPH IN THE MORNING BECOMING
LIGHT, THEN BECOMING EAST AROUND 9 MPH WITH
GUSTS TO AROUND 15 MPH LATE IN THE AFTERNOON.
RIDGETOP...........EAST 5 TO 10 MPH.
CWR.................1 PERCENT.
MIXING HEIGHT.......9200 FT AGL INCREASING TO 10400 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....EAST 5 TO 12 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 4 5 5 5 3 3 3 7 7 7 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............76 74 79 84 88 92 94 95 96 96 96 93
RH..............40 43 39 34 29 25 23 23 22 22 22 24
20 FT WIND DIR..E E E E E E E E NE SE NW W
20 FT WIND SPD..6 5 6 6 7 5 3 3 2 2 2 9
20 FT WIND GUST.10 10 11 11 12 10 7 8 6 6 6 15
EYE LVL WND DIR.E E E E E E E E NE SE NW W
EYE LVL WND SPD.4 4 4 4 5 4 2 3 1 1 1 7
EYE LVL WND GST.7 7 8 8 9 7 5 6 4 4 5 11
RIDGE WIND DIR..E E E E E E E E E E E E
RIDGE WIND SPD..10 10 10 10 10 10 10 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........43 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 4 MPH
LATE IN THE EVENING, THEN BECOMING LIGHT
OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH
LATE IN THE EVENING, THEN BECOMING LIGHT
OVERNIGHT.
RIDGETOP...........
CWR.................0 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 7 MPH SHIFTING TO THE NORTHWEST 7
TO 8 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE EAST AROUND 7 MPH IN THE LATE EVENING AND
OVERNIGHT SHIFTING TO THE SOUTHEAST 5 TO 6 MPH
OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........10 10 10 10 10 5 5 5 5 5 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............91 88 83 81 81 80 79 79 78 76 76 76
RH..............27 30 36 36 37 37 36 36 37 40 41 42
20 FT WIND DIR..W SW S S SE SE SE SE SE SE SE E
20 FT WIND SPD..8 5 3 3 3 5 5 2 2 2 1 2
20 FT WIND GUST.12 8 6 6 7 10 8 6 6 5 5 4
EYE LVL WND DIR.W SW S S SE SE SE SE SE SE SE E
EYE LVL WND SPD.4 3 2 2 2 4 3 1 1 1 1 1
EYE LVL WND GST.8 6 5 5 5 7 6 5 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
TUESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........21 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 6 MPH LATE IN
THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........
CWR.................0 PERCENT.
MIXING HEIGHT.......9600 FT AGL INCREASING TO 11100 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....EAST 5 TO 7 MPH SHIFTING TO THE NORTHWEST 10 TO
13 MPH LATE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 5 5 5 5 1 1 1 1 1 1 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............74 75 79 83 88 92 94 95 96 96 95 93
RH..............43 43 40 35 29 25 23 22 21 21 21 23
20 FT WIND DIR..SE E E E E NE NE NW W W W W
20 FT WIND SPD..2 3 3 3 1 1 1 1 2 5 7 8
20 FT WIND GUST.4 6 6 6 5 4 5 6 8 10 11 12
EYE LVL WND DIR.SE E E E E NE NE NW W W W W
EYE LVL WND SPD.1 2 3 2 1 1 1 1 2 4 5 6
EYE LVL WND GST.3 4 5 4 4 3 4 5 6 7 8 9
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...SEBASTIAN WESTERINK
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...WILDFIRE
.TAG 2623059.0/SGX
.DELDT 10/04/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
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