386
FNUS76 KSTO 140038
FWSSTO
SPOT FORECAST FOR WOODS FIRE...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
538 PM PDT THU AUG 13 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY AND MOSTLY CLEAR CONDITIONS ARE EXPECTED THROUGH THE MORNING
AND EARLY AFTERNOON. THERE IS A 10-15% CHANCE OF THUNDERSTORMS
THIS AFTERNOON/EARLY EVENING, HOWEVER CONFIDENCE REMAINS LOW ON
ANYTHING DEVELOPING IN THE VICINITY OF THE FIRE, AS MOST OF THE
ACTIVITY WILL REMAIN EAST OF THE CREST. THAT BEING SAID, THERE MAY
BE CUMULUS BUILD UPS TO THE NORTH AND EAST OF THE FIRE. GUSTY
OUTFLOW WINDS AND LIGHTNING WILL BE POSSIBLE WITH ANY
THUNDERSTORMS THAT DEVELOP IN AND AROUND THE FIRE. THUNDERSTORM
CHANCES WILL DROP OFF AS THE EVENING CONTINUES. WEEKEND
THUNDERSTORM CHANCES DROP TO LESS THAN 10% AS DRIER WEATHER
PREVAILS.
TEMPERATURES WILL TREND COOLER TODAY WITH IMPROVED HUMIDITIES.
WINDS WILL BE OUT OF THE SOUTH TO SOUTHWEST DURING THE
AFTERNOON/EVENING WITH GUSTS TO 15 TO 20 MPH AT TIMES. OVERNIGHT,
WEAKER WINDS OUT OF THE SOUTH ARE EXPECTED WITH GUSTS LESS THAN 10
MPH. WARMER CONDITIONS RETURN OVER THE WEEKEND WITH LOWER DAYTIME
AND OVERNIGHT HUMIDITIES COMPARED TO PREVIOUS DAYS.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....61-65.
MIN HUMIDITY........45-49 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH IN
THE LATE MORNING AND AFTERNOON WITH GUSTS 10 TO 20 MPH. STRONGEST GUSTS
TO 20 MPH EXPECTED IN THE AFTERNOON.
RIDGETOP...........SOUTH AROUND 12 MPH.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH.
CWR.................5 PERCENT.
CHANCE OF THUNDER...10-15 PERCENT.
TIME (PDT) 7 AM 10 AM 1 PM 4 PM
SKY COVER.......MCLEAR MCLEAR MCLEAR CLEAR
CWR.............0 0 0 0
CHC OF THDR (%).0 0 15 10
TEMP............49 59 63 63
RH..............72 52 48 48
SL/VL WIND......SE 2G5 SW 6G13 SW 9G17 SW 10G18
RIDGETOP WIND...S 12 S 10 S 10 S 10
MIX HGT (FT)....500 2900 5800 5700
TRANSPORT WIND..S 8 S 12 S 16 S 17
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....46-50.
MAX HUMIDITY........74-78 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........SOUTH AROUND 10 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH SHIFTING TO THE SOUTHEAST
AROUND 7 MPH EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 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 MCR MCR MCR
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............60 58 55 53 51 51 51 50 50 50 50 49
RH..............60 65 73 76 76 76 71 67 64 62 59 55
SL/VL WIND DIR..SW SW S S S SE SE SE SE SE SE E
SL/VL WIND SPD..8 8 5 5 5 3 3 3 2 2 2 2
SL/VL WIND GUST.17 17 9 9 9 8 8 8 6 6 6 6
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 10 10
MIX HGT (KFT)...3.7 3.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW SW S S S S S S S S S SE
TRANSP WIND SPD.14 14 6 6 6 7 7 7 7 7 7 7
SATURDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........32-36 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH LATE
IN THE MORNING, WITH AFTERNOON/EVENING GUSTS 15-20 MPH.
RIDGETOP...........SOUTH AROUND 10 MPH.
MIXING HEIGHT.......6800 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH INCREASING TO AROUND 16 MPH
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR 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 5 5 0 0 0
TEMP............48 49 51 54 58 61 63 65 66 66 65 64
RH..............55 53 50 45 38 34 33 35 37 39 41 45
SL/VL WIND DIR..E E S S S SW SW SW SW SW SW SW
SL/VL WIND SPD..2 2 3 3 3 7 7 7 9 9 9 9
SL/VL WIND GUST.6 6 7 7 7 14 14 14 17 17 17 17
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.8 0.8 0.8 5.8 5.8 5.8 6.8 6.8 6.8 6.0
TRANSP WIND DIR.SE SE S S S S S S S S S S
TRANSP WIND SPD.7 7 6 6 6 13 13 13 14 14 14 16
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. 5% CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
SOUTH WINDS AROUND 5-10 MPH WITH GUSTS 15 TO 20 MPH IN THE AFTERNOON/EARLY EVENING.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
FORECASTER...KF
REQUESTED BY...AMY WINZER
TYPE OF REQUEST...WILDFIRE
.TAG 2619656.0/STO
.DELDT 08/13/26
.FORMATTERVERSION 2.0.0
.EMAIL AMY.WINZER@USDA.GOV
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