050
FNUS76 KSGX 220329
FWSSGX
SPOT FORECAST FOR RED HILL VMP...RIVERSIDE COUNTY FIRE
NATIONAL WEATHER SERVICE SAN DIEGO CA
729 PM PST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1900 PST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A LOW PRESSURE SYSTEM PASSING TO THE SOUTH WILL ALLOW FOR WEAK
ONSHORE FLOW TO PREVAIL THROUGH THE REST OF THE WEEK. RELATIVE
HUMIDITY VALUES WILL INCREASE THROUGH THE WEEK WITH VALUES
APPROACHING 100% BY LATE FRIDAY. CHANCE (30-40%) OF SCATTERED
LIGHT SHOWERS FROM THURSDAY TO SATURDAY. SLIGHT CHANCE OF WETTING
RAIN (10-20%), ESPECIALLY ON FRIDAY WHEN ISOLATED HEAVIER SHOWERS
MAY FORM WITH RAIN RATES UP TO 0.3"/HR.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
PARTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........50 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTH 0 TO 5 MPH.
CWR.................2 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 5 MPH SHIFTING TO THE NORTHEAST
AROUND 2 MPH EARLY IN THE MORNING.
TIME (PST) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 81 81 81 81 81 59 59 59 65 65
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............51 51 51 50 51 51 49 47 47 47 47
RH..............59 56 56 57 52 52 53 54 53 54 50
20 FT WIND DIR..E E E E E NE N N N N N
20 FT WIND SPD..1 1 1 1 1 1 0 1 1 1 1
20 FT WIND GUST.4 4 5 4 5 4 4 4 5 4
EYE LVL WND DIR.E E E E E NE N N N N N
EYE LVL WND SPD.1 1 1 1 1 1 0 1 1 1 1
EYE LVL WND GST.2 2 2 2 2 2 2 2 2 2
RIDGE WIND DIR..S S SE S SE S S S SW SW SW
RIDGE WIND SPD..5 5 5 5 5 5 5 0 0 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SLIGHT CHANCE OF
RAIN SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
CWR.................2 PERCENT INCREASING TO 20 PERCENT.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 2 TO 3 MPH SHIFTING TO THE SOUTHWEST
3 TO 6 MPH IN THE LATE MORNING AND AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 77 77 77 81 81 81 85 85 85 61 61
WEATHER COV..... SCH SCH SCH SCH SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............47 48 50 52 53 54 54 54 54 54 53 52
RH..............50 51 53 59 59 58 62 62 62 66 66 66
20 FT WIND DIR..N NE NE W SW SW SW W W W W NW
20 FT WIND SPD..2 1 1 1 2 2 3 3 3 2 2 1
20 FT WIND GUST.5 4 4 6 6 6 6 6 6 5 4
EYE LVL WND DIR.N NE NE W SW SW SW W W W W NW
EYE LVL WND SPD.1 1 1 1 1 1 2 2 2 1 1 1
EYE LVL WND GST.2 2 2 3 3 3 3 3 3 2 2
RIDGE WIND DIR..SW SW SW W S S S S SW SW SW SW
RIDGE WIND SPD..5 10 0 5 10 10 10 10 10 10 10 5
CWR.............0 0 0 0 10 10 10 10 10 10 20 20
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
OVERNIGHT.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........86 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTHWEST AROUND 5 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE LATE
EVENING AND OVERNIGHT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 6 MPH SHIFTING TO THE WEST 5 TO 6
MPH AFTER 3 AM.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........61 61 61 61 55 55 55 55 55 55 55 55
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............51 51 50 46 50 47 44 49 45 45 48 43
RH..............70 70 70 70 75 76 84 83 83 83 84 86
20 FT WIND DIR..NW N N N N N NW NW NW NW NW NW
20 FT WIND SPD..1 0 0 0 0 0 1 1 1 1 1 2
20 FT WIND GUST. 1 4 5 5 5 5
EYE LVL WND DIR.NW N N N N W NW NW NW NW NW NW
EYE LVL WND SPD.1 0 0 0 0 1 1 1 1 1 1 1
EYE LVL WND GST. 2 2 2 2 2
RIDGE WIND DIR..SW SW SW SW SW SW S S S SW SW SW
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
CWR.............20 20 20 20 10 10 10 10 10 10 10 10
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS IN THE LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTHWEST 0 TO 5 MPH SHIFTING TO THE WEST
AROUND 5 MPH LATE IN THE AFTERNOON.
CWR.................15 PERCENT.
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 55 55 55 61 61 61 61 61 61 69 69
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............45 48 46 47 51 50 47 50 46 49 50 50
RH..............89 82 81 83 79 83 85 86 90 90 84 82
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..1 1 1 2 2 2 2 3 3 3 3 3
20 FT WIND GUST.5 4 6 6 6 6 6 6 7 7 8
EYE LVL WND DIR.NW NW W W W W W W W W W W
EYE LVL WND SPD.1 1 1 1 1 1 1 2 2 2 2 2
EYE LVL WND GST.2 2 3 3 3 3 3 3 3 3 4
RIDGE WIND DIR..SW SW SW SW SW SW W W W W W M
RIDGE WIND SPD..0 0 0 5 5 5 5 5 5 5 5 M
CWR.............10 10 10 10 20 20 20 20 20 20 20 20
FORECASTER...KYLE WHEELER
REQUESTED BY...MIKE HOWARD
TYPE OF REQUEST...PRESCRIBED
.TAG 2600805.0/SGX
.DELDT 01/21/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
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