747
FNUS76 KSTO 110147
FWSSTO
SPOT FORECAST FOR CASA LOMA HAND PILES...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
547 PM PST TUE FEB 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON FEBRUARY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SCATTERED RAIN SHOWERS WILL CONTINUE INTO WEDNESDAY EVENING WITH
HEAVIEST ACCUMULATIONS EXPECTED IN THE AFTERNOON AND EVENING
HOURS, ALBEIT LIGHTER THAN TUESDAY-EARLY WEDNESDAY PERIOD OF
STORMS. THERE WILL ALSO BE A 15-25% CHANCE OF ISOLATED
THUNDERSTORMS WEDNESDAY AFTERNOON AND EVENING WITH BEST CHANCES
FROM NOON TO 9 PM. INCREASING WINDS FROM THE SOUTH EXPECTED WITH
GUSTS 15 TO 25 MPH IN AFTERNOON BEFORE DIMINISHING OVERNIGHT.
BRIEF DRYING TREND EXPECTED IN BETWEEN SYSTEM WITH MIN RH VALUES
IN THE 40S TO 50S THURSDAY AND FRIDAY.
CHANCE FOR 0.50" INCH OF RAIN (WEDNESDAY AM - THURSDAY AM):65-75%
CHANCE FOR 1 INCH OF RAIN (WEDNESDAY AM - THURSDAY AM): 25-35%
WEDNESDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
MAX TEMPERATURE.....42-46.
MIN HUMIDITY........74-78 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE LATE MORNING AND EARLY AFTERNOON.
RIDGETOP...........SOUTH 13 TO 21 MPH.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 21 MPH.
CWR.................68 PERCENT DECREASING TO 51 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
TIME (PST) 6 AM 10 AM 2 PM
SKY COVER.......CLOUDY MCLDY CLOUDY
CWR.............60 70 70
CHC OF THDR (%).10 20 20
TEMP............38 41 43
RH..............97 82 85
SL/VL WIND......SE 7G15 S 8G17 S 7G15
RIDGETOP WIND...SE 15 S 21 S 18
MIX HGT (FT)....500 2800 2300
TRANSPORT WIND..SE 15 S 21 S 18
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. RAIN
EARLY IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF SNOW OVERNIGHT.
MIN TEMPERATURE.....30-34.
MAX HUMIDITY........83-87 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........SOUTH 9 TO 13 MPH SHIFTING TO THE EAST 5 TO 10
MPH AFTER 3 AM.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 13 MPH SHIFTING TO THE EAST 5 TO 10
MPH AFTER 3 AM.
CWR.................51 PERCENT DECREASING TO 7 PERCENT IN THE LATE
EVENING AND OVERNIGHT.
CHANCE OF THUNDER...10 PERCENT.
TIME (PST) 6 PM 10 PM 2 AM
SKY COVER.......MCLDY MCLDY MCLDY
CWR.............50 10 10
CHC OF THDR (%).10 0 0
TEMP............42 41 39
RH..............84 78 74
SL/VL WIND......S 5G9 E 1G3 E 1G3
RIDGETOP WIND...S 13 S 8 SE 7
MIX HGT (FT)....1100 500 BLW100
TRANSPORT WIND..S 13 S 10 SE 7
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SNOW EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN IN THE
MORNING AND EARLY AFTERNOON.
MAX TEMPERATURE.....49-53.
MIN HUMIDITY........58-62 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 7 TO 10 MPH SHIFTING TO THE NORTH 5
TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 9 MPH SHIFTING TO THE NORTH 5 TO 8
MPH IN THE AFTERNOON.
CWR.................5 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PST) 6 AM 10 AM 2 PM
SKY COVER.......PCLDY PCLDY PCLDY
CWR.............0 10 10
CHC OF THDR (%).0 0 0
TEMP............33 44 50
RH..............84 63 61
SL/VL WIND......NE 1G3 N 2G5 NW 3G8
RIDGETOP WIND...E 10 E 10 NE 10
MIX HGT (FT)....BLW100 1000 4200
TRANSPORT WIND..E 9 NE 7 N 6
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. LIGHT
WINDS.
SATURDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE MID 30S. HIGHS IN
THE UPPER 40S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH RAIN AND CHANCE OF SNOW. LOWS IN THE UPPER
30S. HIGHS IN THE MID 40S. LIGHT WINDS.
FORECASTER...DA
REQUESTED BY...TAHOE/AMERICAN RIVER
TYPE OF REQUEST...PRESCRIBED
.TAG 2601914.2/STO
.DELDT 02/11/26
.FORMATTERVERSION 2.0.0
.EMAIL ERIC.HUSMANN@USDA.GOV,MIKE.DUROCHER@USDA.GOV,JEREMY.HIERONIMUS@USDA.GOV,GLEN.HAYDON@USDA.GOV,JAMES.BOLLINGER@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page