360
FNUS76 KSTO 211858
FWSSTO
SPOT FORECAST FOR SHU BROOK INC...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1158 AM PDT TUE JUL 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 1740 PDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ABOVE NORMAL TEMPERATURES THIS AFTERNOON AND EVENING, BEFORE CLOSER
TO NORMAL TEMPERATURES RETURN FOR THE REMAINDER OF THE WEEK AND INTO
THE WEEKEND. DAYTIME HUMIDITIES WILL BE RELATIVELY HIGH FOR THE TIME
OF YEAR THROUGH WEDNESDAY, UP TO 30%, THEN A DRYING TREND BRINGS VALUES
BACK TO THE TEENS THE REST OF THE WEEK AND WEEKEND. OVERNIGHT RECOVERIES
WILL BE MODERATE THROUGHOUT THE FORECAST PERIOD. WINDS WILL BE STRONGEST
IN THE AFTERNOONS AND EVENINGS, ESPECIALLY ON WEDNESDAY WHEN ONSHORE
FLOW WILL BRING SOUTHWEST GUSTS UP TO 25 TO 30 MPH IN THE AFTERNOON AND
EVENING. OTHERWISE, WINDS WILL FOLLOW A TYPICAL TERRAIN DRIVEN PATTERN.
NON-ZERO CHANCES FOR ISOALTED THUNDERSTORMS TODAY, THOUGH CHANCES ARE 5%
OR LESS WITHIN 20 MILES OF THE FIRE.
REST OF TODAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....97-101.
MIN HUMIDITY........22-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS UP TO 5 MPH.
RIDGETOP...........SOUTH AROUND 9 MPH.
MIXING HEIGHT.......7700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
TIME (PDT) 5PM
SKY COVER.......MCR
CWR.............0
CHC OF THDR (%).0
TEMP............98
RH..............25
SL/VL WIND DIR..S
SL/VL WIND SPD..5
SL/VL WIND GUST.9
RIDGE WIND DIR..S
RIDGE WIND SPD..9
MIX HGT (KFT)...7.7
TRANSP WIND DIR.S
TRANSP WIND SPD.8
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....71-75.
MAX HUMIDITY........52-56 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE.
RIDGETOP...........SOUTH TO SOUTHEAST 8 TO 16 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHEAST 3 TO 9 MPH SHIFTING TO THE
WEST AROUND 7 MPH OVERNIGHT.
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR CLR CLR CLR
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............98 98 95 91 87 84 82 81 80 80 78 78
RH..............26 27 30 35 41 46 51 53 54 54 54 53
SL/VL WIND DIR..S S S S E E E NE W W W NW
SL/VL WIND SPD..5 5 3 3 3 3 3 3 2 2 2 2
SL/VL WIND GUST.8 8 7 6 5 7 6 5 5 3 3 3
RIDGE WIND DIR..S S S S SE SE SE SE SE SE SE SE
RIDGE WIND SPD..8 9 10 12 14 15 16 16 16 16 16 16
MIX HGT (KFT)...7.7 7.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.S S S S S SE SE SE W W W W
TRANSP WIND SPD.7 7 9 9 9 3 3 3 6 6 6 7
WEDNESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....94-98.
MIN HUMIDITY........25-29 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST 7 TO 12 MPH WITH GUSTS TO AROUND 15 TO
25 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHEAST 17 TO 25 MPH SHIFTING TO THE SOUTH 24
TO 32 MPH IN THE AFTERNOON.
MIXING HEIGHT.......6800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH INCREASING TO 15 TO 20 MPH
IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............76 74 78 79 83 85 88 91 93 94 96 96
RH..............54 54 50 49 47 43 41 37 34 31 29 27
SL/VL WIND DIR..N NW W W SW SW SW S S S S S
SL/VL WIND SPD..2 2 3 5 6 7 7 8 8 9 10 12
SL/VL WIND GUST.5 5 7 8 10 13 14 16 17 20 22 24
RIDGE WIND DIR..SE SE SE S S S S S S S S S
RIDGE WIND SPD..17 18 20 22 23 25 28 30 31 30 28 24
MIX HGT (KFT)...0.5 0.5 2.2 2.2 2.2 4.5 4.5 4.5 6.6 6.6 6.6 6.8
TRANSP WIND DIR.W W SW SW SW S S S S S S S
TRANSP WIND SPD.7 7 6 6 6 9 9 9 15 15 15 18
FORECASTER...SP
REQUESTED BY...JASON POBURKO
TYPE OF REQUEST...WILDFIRE
.TAG 2617845.1/STO
.DELDT 07/21/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.POBURKO@FIRE.CA.GOV
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