690
FNUS76 KSTO 120335
FWSSTO
SPOT FORECAST FOR LOWER RX...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
835 PM PDT SUN OCT 11 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON OCTOBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY AND CLEAR SKIES NEAR THE BURN SITE THROUGH THE FORECAST PERIOD.
HIGHS EXPECTED TO BE IN THE 70S ON TUESDAY AND THE 80S BY WEDNESDAY,
AS A WARMING TREND CONTINUES ACROSS NORCAL. DAYTIME HUMIDITIES WILL
BE LOW, LIKELY IN THE TEENS, WITH LIMITED OVERNIGHT RECOVERIES.
OVERNIGHT RECOVERIES BECOME WORSE FURTHER INTO THE FOOTHILLS, ONLY
REACHING THE LOW 40S. WINDS WILL BE NORTHERLY, WITH GUSTS UP TO
20 MPH LINGERING ON TUESDAY MORNING, BEFORE BECOMING LIGHTER TUESDAY
AFTERNOON AND THROUGH WEDNESDAY. NO PRECIPITATION OR THUNDERSTORM
CHANCES ARE FORECASTED TO OCCUR NEAR THE BURN SITE WITHIN THE
FORECAST PERIOD.
TUESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75-79.
MIN HUMIDITY........16-20 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS UP TO 6 MPH, WITH GUSTS UP
TO 20 MPH IN THE MORNING AND EARLY
AFTERNOON.
RIDGETOP...........NORTH 5 TO 12 MPH.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 12 MPH.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR PC PC PC CLR
TEMP............46 53 62 67 70 74 75 76 77 76
RH..............49 39 30 25 22 19 18 17 17 18
SL/VL WIND DIR..N N N N N N N N N N
SL/VL WIND SPD..6 6 6 6 6 6 3 3 3 2
SL/VL WIND GUST.18 18 18 17 17 17 12 12 12 7
RIDGE WIND DIR..N N N N N N N N N N
RIDGE WIND SPD..12 12 12 8 8 8 6 6 6 5
MIX HGT (KFT)...1.3 1.3 1.3 3.9 3.9 3.9 4.1 4.1 4.1 1.7
TRANSP WIND DIR.N N N N N N N N N N
TRANSP WIND SPD.12 12 12 8 8 8 6 6 6 5
TUESDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....47-51.
MAX HUMIDITY........46-50 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS UP TO 6 MPH.
RIDGETOP...........NORTH TO NORTHWEST 5 TO 9 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH TO NORTHWEST 5 TO 9 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
TEMP............75 71 66 63 61 59 57 56 55 53 52 51
RH..............20 23 26 29 33 36 39 41 43 45 47 48
SL/VL WIND DIR..N N NW NW NW NW NW NW NW NW NW NW
SL/VL WIND SPD..2 2 6 6 6 2 2 2 2 2 2 1
SL/VL WIND GUST.7 7 7 7 7 6 6 6 5 5 5 3
RIDGE WIND DIR..N N NW NW NW NW NW NW NW NW NW N
RIDGE WIND SPD..5 5 7 7 7 7 7 7 8 8 8 9
MIX HGT (KFT)...1.7 1.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N N NW NW NW NW NW NW NW NW NW N
TRANSP WIND SPD.5 5 7 7 7 7 7 7 8 8 8 9
WEDNESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS LESS THAN 5 MPH, WITH GUSTS UP TO
12 MPH IN THE AFTERNOON.
RIDGETOP...........NORTH 9 TO 14 MPH.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 9 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR
TEMP............49 49 51 57 65 73 78 81 82 84 84 82
RH..............49 49 47 40 31 24 21 19 19 19 19 20
SL/VL WIND DIR..NW NW NW NW NW N N N N N N N
SL/VL WIND SPD..1 1 2 2 2 3 3 3 3 3 3 2
SL/VL WIND GUST.3 3 5 5 5 10 10 10 12 12 12 7
RIDGE WIND DIR..N N N N N N N N N N N N
RIDGE WIND SPD..9 9 9 9 9 12 12 12 14 14 14 10
MIX HGT (KFT)...0.4 0.4 0.2 0.2 0.2 2.4 2.4 2.4 4.4 4.4 4.4 2.9
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.9 9 9 9 9 7 7 7 7 7 7 7
FORECASTER...SP
REQUESTED BY...NICK CIAPPONI
TYPE OF REQUEST...PRESCRIBED
.TAG 2623499.0/STO
.DELDT 10/12/26
.FORMATTERVERSION 2.0.0
.EMAIL NICK.CIAPPONI@FIRE.CA.GOV
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