936
FNUS76 KSTO 042141
FWSSTO
SPOT FORECAST FOR GANN...CAL FIRE TCU
NATIONAL WEATHER SERVICE SACRAMENTO CA
241 PM PDT TUE AUG 4 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE BUILDING INTO THE REGION WILL BRING HOT TEMPERATURES
AND LOW HUMIDITY TO THE FIRE AREA. HIGH TEMPERATURES WILL APPROACH
THE TRIPLE DIGITS WITH HUMIDITY DOWN INTO THE UPPER TEENS IN THE
AFTERNOONS WITH POOR OVERNIGHT RECOVERIES. BREEZY WEST TO NORTHWEST
WINDS DEVELOP EACH AFTERNOON AND EVENING WITH GUSTS 15 TO 20 MPH AT
TIMES. NO PRECIPITATION EXPECTED FOR AT LEAST THE NEXT 7 DAYS.
WEDNESDAY
SKY/WEATHER.........SUNNY WITH SMOKE/HAZE.
MAX TEMPERATURE.....96-100.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING WEST AFTER
1100 AROUND 5 TO 8 MPH WITH GUSTS 14 TO 16 MPH
LATE IN THE AFTERNOON.
RIDGETOP...........NORTH 3 TO 7 MPH IN THE MORNING BECOMING
WEST-NORTHWEST AFTER AROUND 6 TO 10 MPH WITH
GUSTS 15 TO 18 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4100 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 8 MPH SHIFTING TO THE SOUTHWEST 7 TO
9 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............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
TEMP............69 73 78 87 92 94 95 96 97 98 98
RH..............42 39 35 30 25 23 22 21 20 20 20
SL/VL WIND DIR..N N N W W W W W W W NW
SL/VL WIND SPD..1 2 2 2 3 6 7 8 8 8 8
SL/VL WIND GUST.7 7 7 8 10 13 15 15 16 15 15
RIDGE WIND DIR..N N N W W W W W W W NW
RIDGE WIND SPD..7 7 7 8 9 9 10 10 11 10 10
MIX HGT (KFT)...0.4 1.0 1.0 1.0 2.6 2.6 2.6 4.1 4.1 4.1 3.3
TRANSP WIND DIR.N NW NW NW SW SW SW SW SW SW W
TRANSP WIND SPD.8 2 2 2 7 7 7 8 8 8 9
WEDNESDAY NIGHT
SKY/WEATHER.........CLEAR WITH AREAS OF SMOKE.
MIN TEMPERATURE.....65-69.
MAX HUMIDITY........38-45 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 8 MPH WITH GUSTS 14 TO
16 MPH SHIFTING TO THE NORTH UP TO 5 MPH LATE
IN THE EVENING, THEN BECOMING LIGHT OVERNIGHT.
RIDGETOP...........NORTHWEST 6 TO 10 MPH WITH GUSTS 15 TO 18 MPH
SHIFTING TO THE NORTH 6 TO 9 MPH AFTER 2300.
MIXING HEIGHT.......DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 10 MPH SHIFTING TO THE NORTH 8
TO 9 MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
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
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............96 95 90 83 80 77 74 73 72 69 69 69
RH..............20 22 24 26 27 29 33 35 37 39 41 41
SL/VL WIND DIR..NW NW NW NW NW N N N N N N N
SL/VL WIND SPD..8 8 6 6 6 5 5 5 3 3 3 2
SL/VL WIND GUST.15 15 14 14 14 12 12 12 10 10 10 8
RIDGE WIND DIR..NW NW NW NW NW N N N N N N N
RIDGE WIND SPD..10 10 10 10 10 9 9 9 8 7 7 7
MIX HGT (KFT)...3.3 3.3 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W NW NW NW N N N N N N N
TRANSP WIND SPD.9 9 10 10 10 9 9 9 9 9 9 8
THURSDAY
SKY/WEATHER.........SUNNY WITH AREAS OF SMOKE/HAZE.
MAX TEMPERATURE.....98-102.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING WEST
AFTER 1100 AROUND 5 TO 8 MPH WITH GUSTS
14 TO 17 MPH LATE IN THE AFTERNOON.
RIDGETOP...........NORTH 3 TO 7 MPH IN THE MORNING BECOMING
WEST-NORTHWEST AFTER 1100 AROUND 6 TO 11 MPH
WITH GUSTS 15 TO 19 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4100 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 8 MPH SHIFTING TO THE WEST 6 TO 9
MPH LATE IN THE MORNING.
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............67 70 74 81 88 94 97 98 98 99 99 99
RH..............42 40 37 32 26 20 19 18 19 19 19 19
SL/VL WIND DIR..N N N N N W W W W W W W
SL/VL WIND SPD..2 2 2 2 2 5 5 5 8 8 8 9
SL/VL WIND GUST.8 8 8 8 8 10 10 10 16 16 16 17
RIDGE WIND DIR..N N N N N W W W W W W W
RIDGE WIND SPD..7 7 7 8 9 9 10 10 11 10 10 10
MIX HGT (KFT)...0.4 0.4 0.5 0.5 0.5 1.6 1.6 1.6 3.4 3.4 3.4 4.1
TRANSP WIND DIR.N N N N N W W W W W W W
TRANSP WIND SPD.8 8 7 7 7 6 6 6 8 8 8 9
FORECAST DAYS 3 THROUGH 5
FRIDAY
CLEAR. LOWS IN THE UPPER 60S. HIGHS AROUND 101. NORTH WINDS
AROUND 5 MPH.
SATURDAY
CLEAR. LOWS IN THE UPPER 60S. HIGHS AROUND 101. LIGHT WINDS.
SUNDAY
CLEAR. LOWS AROUND 70. HIGHS AROUND 101. LIGHT WINDS.
FORECASTER...DA
REQUESTED BY...ERIN NANIK
TYPE OF REQUEST...WILDFIRE
.TAG 2618934.1/STO
.DELDT 08/04/26
.FORMATTERVERSION 2.0.0
.EMAIL ERIN.NANIK@FIRE.CA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page