169
FNUS76 KSTO 122151
FWSSTO
SPOT FORECAST FOR DENNIS...ELDORADO NATIONAL FOREST USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
251 PM PDT WED AUG 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..RED FLAG WARNING IN EFFECT FROM 5 AM TO 9 PM PDT THURSDAY
DISCUSSION
THURSDAY WILL SEE A 10-20% CHANCE OF THUNDERSTORM DEVELOPMENT WITH
BEST CHANCES EAST/SOUTHEAST OF THE FIRE. CONFIDENCE IS LOW IN
EXACT PLACEMENT AND STORM MODE AT THIS TIME WITH THE MORNING
INTO EARLY AFTERNOON WILL BE THE BEST WINDOW TO SEE THUNDERSTORM
DEVELOPMENT BEFORE INITIATIONS FORM FURTHER EAST BY THE LATE
AFTERNOON.
OTHERWISE TEMPERATURES COOL INTO 70S INTO WEEKEND WITH INCREASING
HUMIDITY TRENDS AS AFTERNOON VALUES NEAR 50% THURSDAY AND 40S INTO
SATURDAY. OUTSIDE OF ANY ERRATIC WINDS FROM THUNDERSTORMS WINDS IN
AFTERNOONS WILL BE SOUTHWEST WITH GUSTS UP TO 15-25 MPH, WEAKENING
OVERNIGHT.
THURSDAY: 10-15% CHANCE OF WETTING RAIN (GREATER THAN 0.10")
THURSDAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY SUNNY. SLIGHT
CHANCE OF RAIN EARLY IN THE MORNING BECOMING
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
INTO THE AFTERNOON.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........48-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH WITH
GUSTS 15 TO 25 MPH BY THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE MORNING.
RIDGETOP...........SOUTH 15 TO 23 MPH.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH.
CWR.................6 PERCENT.
CHANCE OF THUNDER...19 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC MC MC MC MC MC MC PC MCR PC MCR MCR
CWR.............10 10 10 10 10 10 10 10 10 10 10 0
CHC OF THDR (%).10 10 10 10 10 20 20 20 10 10 10 0
TEMP............56 54 58 63 69 70 72 72 72 72 73 72
RH..............87 95 86 68 57 53 53 52 53 51 49 50
SL/VL WIND DIR..S S S S S S SW SW SW SW SW SW
SL/VL WIND SPD..3 3 5 6 8 8 8 8 8 9 8 7
SL/VL WIND GUST.7 7 9 13 16 17 17 20 20 21 21 20
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..17 18 20 20 20 20 21 22 23 23 22 22
MIX HGT (KFT)...0.6 0.6 2.7 2.7 2.7 4.6 4.6 4.6 5.1 5.1 5.1 4.1
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.10 10 13 13 13 16 16 16 18 18 18 14
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....47-51.
MAX HUMIDITY........91-95 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO
15-20 MPH IN THE EVENING BECOMING LIGHT.
RIDGETOP...........SOUTH TO SOUTHEAST 7 TO 15 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHEAST 5 TO 14 MPH.
CWR.................1 PERCENT.
CHANCE OF THUNDER...0-5 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR PC PC PC 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............71 69 65 59 57 55 55 54 53 52 51 51
RH..............51 54 61 76 84 89 89 89 91 92 92 93
SL/VL WIND DIR..SW SW S S S E E E E E E E
SL/VL WIND SPD..7 7 5 5 5 3 3 3 3 3 3 2
SL/VL WIND GUST.20 20 10 10 10 6 6 6 6 6 6 6
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..22 23 24 25 25 26 26 26 26 26 26 26
MIX HGT (KFT)...4.1 4.1 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 SE SE SE SE
TRANSP WIND SPD.14 14 5 5 5 7 7 7 8 8 8 9
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....71-75.
MIN HUMIDITY........47-51 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH LATE
IN THE MORNING WITH GUSTS AROUND 15-20 MPH.
RIDGETOP...........SOUTH 8 TO 14 MPH.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR 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............50 52 55 59 65 69 71 71 71 72 72 71
RH..............91 86 78 68 57 49 47 49 51 50 49 50
SL/VL WIND DIR..E E S S S SW SW SW SW SW SW SW
SL/VL WIND SPD..2 2 2 2 2 8 8 8 8 8 8 7
SL/VL WIND GUST.6 6 6 6 6 15 15 15 17 17 17 15
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..26 26 25 24 22 21 21 21 21 20 20 20
MIX HGT (KFT)...0.5 0.5 1.9 1.9 1.9 5.6 5.6 5.6 5.6 5.6 5.6 4.8
TRANSP WIND DIR.SE SE S S S S S S S S S S
TRANSP WIND SPD.9 9 8 8 8 13 13 13 14 14 14 10
FORECAST DAYS 3 THROUGH 5
SATURDAY
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S. LIGHT WINDS.
FORECASTER...JS
REQUESTED BY...CAMINO ECC
TYPE OF REQUEST...WILDFIRE
.TAG 2619491.3/STO
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL EARL.WYLIE@USDA.GOV,CACICC@FIRENET.GOV
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