679
FNUS76 KSTO 091525
FWSSTO
SPOT FORECAST FOR CAMP UNIT JJ...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
825 AM PDT THU APR 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
FRIDAY WILL SEE INCREASING CHANCES FOR RAIN SHOWERS AND THUNDERSTORMS
THROUGHOUT THE DAY NEAR THE BURN SITE. THUNDERSTORM CHANCES ARE BETWEEN
20 TO 45% FROM 11AM TO 9PM, BUT HIGHEST CHANCES OCCUR BETWEEN 2PM AND 7PM.
ANY THUNDERSTORMS THAT OCCUR WILL BRING GUSTY AND ERRATIC WINDS, LIGHTNING,
BRIEF, HEAVY RAIN, HAIL UP TO AN INCH IN DIAMETER, AND POTENTIAL FOR
FUNNEL CLOUDS OR A WEAK TORNADO. ON SATURDAY, THUNDERSTORM CHANCES CONTINUE,
THOUGH LOWER (AROUND 15 TO 25%) THAN ON FRIDAY, ESPECIALLY AS CLOUD COVER
INCREASES. MORE WIDESPREAD MODERATE RAINFALL IS EXPECTED IN THE AFTERNOON
AS WELL, WITH HIGHEST RAIN RATES BETWEEN 11AM AND 10PM. RAIN WILL CONTINUE
THROUGH SUNDAY. FORECASTED RAIN TOTALS NEAR THE BURN SITE ARE BETWEEN 3.75
TO 4.25 INCHES FROM FRIDAY TO SUNDAY. WINDS WILL BE MOSTLY LIGHT AND
SOUTHERLY ON FRIDAY, EXCEPT IN THE VICINITY OF ANY THUNDERSTORMS OR THEIR
OUTFLOWS WHERE WINDS WILL BE GUSTY AND ERRATIC. MID FLAME WIND SPEEDS ON
FRIDAY ARE EXPECTED TO REMAIN BELOW 5 MPH. SATURDAY IS SEEING INCREASING
CHANCES FOR GUSTY SOUTHERLY WINDS. STRONGEST GUSTS ARE EXPECTED IN THE
AFTERNOON, WITH MID FLAME WIND SPEEDS UP TO 8 MPH AT TIMES.
FRIDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS.
MAX TEMPERATURE.....57-61.
MIN HUMIDITY........77-81 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT SOUTHERLY WINDS. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS THROUGHOUT THE DAY.
RIDGETOP...........SOUTH 7 TO 12 MPH.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 12 MPH.
CWR.................71 PERCENT INCREASING TO 93 PERCENT LATE IN THE
MORNING.
CHANCE OF THUNDER...40 PERCENT.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
CWR.............70 70 70 90 90 90
CHC OF THDR (%).20 20 20 30 40 40
TEMP............50 50 49 53 57 57
RH..............100 100 100 93 78 77
SL/VL WIND......N 0 S 1 S 1 S 2 S 3 S 3
SL/VL WIND GUST.2 5 5 9 12 12
RIDGETOP WIND...S 7 S 8 S 8 S 9 S 12 S 12
MIX HGT (FT)....1300 1600 1600 2900 2600 2600
TRANSPORT WIND..S 7 S 8 S 8 S 9 S 12 S 12
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN
EARLY IN THE EVENING.
MIN TEMPERATURE.....43-47.
MAX HUMIDITY........98-100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT SOUTHERLY WINDS. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
RIDGETOP...........SOUTH 7 TO 16 MPH.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 16 MPH.
CWR.................93 PERCENT DECREASING TO 76 PERCENT LATE IN THE
EVENING, THEN INCREASING TO 90 PERCENT EARLY IN
THE MORNING.
CHANCE OF THUNDER...24 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
CWR.............90 90 90 80 80 80
CHC OF THDR (%).20 10 10 10 10 10
TEMP............55 50 49 49 48 47
RH..............84 93 94 95 96 97
SL/VL WIND......S 2 S 2 S 2 S 1 S 2 S 2
SL/VL WIND GUST.10 7 7 6 8 8
RIDGETOP WIND...S 7 S 8 S 8 S 9 S 12 S 12
MIX HGT (FT)....2500 1200 1200 1400 1400 1400
TRANSPORT WIND..S 7 S 8 S 8 S 9 S 12 S 12
SATURDAY
SKY/WEATHER.........CLOUDY. RAIN IN THE MORNING AND EARLY
AFTERNOON, THEN RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....49-54.
MIN HUMIDITY........83-87 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH UP TO 6 MPH WITH GUSTS UP TO 25 MPH
LATE IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS THROUGH THE DAY.
RIDGETOP...........SOUTH 14 TO 20 MPH.
MIXING HEIGHT.......3100 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 20 MPH.
CWR.................97 PERCENT.
CHANCE OF THUNDER...21 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY
CWR.............90 90 100 100
CHC OF THDR (%).10 10 10 20
TEMP............46 46 49 51
RH..............98 100 95 83
SL/VL WIND......S 2G10 S 3G15 S 6G18 S 7G21
RIDGETOP WIND...S 40 S 40 S 45 S 55
MIX HGT (FT)....1500 1700 2700 3100
TRANSPORT WIND..S 16 S 16 S 17 S 20
FORECASTER...SP
REQUESTED BY...KENNY REMMERT
TYPE OF REQUEST...PRESCRIBED
.TAG 2609818.0/STO
.DELDT 04/09/26
.FORMATTERVERSION 2.0.0
.EMAIL KENNETH.REMMERT@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page