626
FNUS76 KSTO 070722
FWSSTO
SPOT FORECAST FOR HAMILTON BRANCH RX...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1222 AM PDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY AND WARM CONDITIONS EXPECTED WITH DIURNAL WINDS, WEST-
SOUTHWEST WINDS IN THE AFTERNOON AND EVENINGS WITH NORTH-NORTHEAST
WINDS OVERNIGHT. SLIGHT DRYING TREND LEADING INTO FRIDAY WITH
FURTHER LOWERING OF RH VALUES INTO EARLY NEXT WEEK, INTO THE UPPER
TEENS, LOW 20S OVER THE WEEKEND. WARMEST TEMPERATURES AND DRIEST
CONDITIONS CURRENTLY ANTICIPATED LATE WEEKEND INTO EARLY NEXT
WEEK.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST-SOUTHWEST 6 TO 9 MPH
LATE IN THE MORNING.
RIDGETOP...........WEST 6 TO 13 MPH.
MIXING HEIGHT.......RISING TO AROUND 6700 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 13 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 10 AM NOON 2 PM 4 PM
SKY COVER.......PCLDY MCLEAR MCLEAR MCLEAR
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............59 67 73 74
RH..............61 42 29 26
SL/VL WIND......SW 1 SW 6 W 9 W 9
SL/VL WIND GUST.7 13 17 17
RIDGETOP WIND...SW 6 W 10 W 13 W 13
MIX HGT (FT)....1800 5800 6700 6700
TRANSPORT WIND..SW 6 W 10 W 13 W 13
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........73-78 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH UP TO 6 MPH
LATE IN THE EVENING.
RIDGETOP...........WEST 7 TO 12 MPH SHIFTING TO THE NORTH 6 TO 9
MPH LATE IN THE EVENING.
MIXING HEIGHT.......FALLING TO AROUND 400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 12 MPH DECREASING TO 7 TO 12 MPH IN
THE EVENING, THEN SHIFTING TO THE NORTH 6 TO 9
MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 10 PM 2 AM
SKY COVER.......MCLEAR MCLEAR CLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............73 56 46
RH..............26 56 72
SL/VL WIND......W 9G17 W 3G6 N 6G7
RIDGETOP WIND...W 12 W 7 N 9
MIX HGT (FT)....4900 600 500
TRANSPORT WIND..W 12 W 7 N 9
SATURDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS 5 TO 6 MPH EARLY IN THE MORNING
BECOMING EAST UP TO 5 MPH LATE IN THE MORNING
THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.
RIDGETOP...........NORTHEAST 8 TO 9 MPH SHIFTING TO THE SOUTH 7 TO
8 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......RISING TO AROUND 7800 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 9 MPH SHIFTING TO THE SOUTH 7 TO 8
MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............43 54 70 80
RH..............72 52 28 18
SL/VL WIND......N 6G8 NE 3G6 SE 5G8 SW 3G7
RIDGETOP WIND...N 9 NE 8 SE 8 S 7
MIX HGT (FT)....400 900 4600 7500
TRANSPORT WIND..N 9 NE 8 SE 8 S 7
FORECAST DAYS 3 THROUGH 5
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 80S. LIGHT
WINDS BECOMING SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER 80S. LIGHT
WINDS BECOMING SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 80S. LIGHT
WINDS BECOMING SOUTHWEST UP TO 9 MPH IN THE AFTERNOON.
FORECASTER...NR
REQUESTED BY...NICHOLAS PARK
TYPE OF REQUEST...PRESCRIBED
.TAG 2612960.0/STO
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.PARK@FIRE.CA.GOV
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