951
FNUS76 KSTO 211802
FWSSTO
SPOT FORECAST FOR BEAR RX...USDA FS ENF
NATIONAL WEATHER SERVICE SACRAMENTO CA
1102 AM PDT TUE OCT 21 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWER AND ISOLATED THUNDERSTORM CHANCES ARE EXPECTED TO INCREASE
EARLY WEDNESDAY MORNING INTO THE AFTERNOON AS A QUICK MOVING
WEATHER SYSTEM PASSES THROUGH THE REGION. PRIMARY HAZARDS WITH ANY
THUNDERSTORMS WILL BE BRIEF HEAVY RAIN, LIGHTNING, AND GUSTY
WINDS. HIGHEST CHANCES FOR WETTING RAIN AND ISOLATED THUNDERSTORMS
ARE EXPECTED LATE MORNING INTO THE AFTERNOON. OTHERWISE,
SEASONABLE TEMPERATURES AND TERRAIN DRIVEN WINDS ANTICIPATED NEAR
THE BURN SITE ACROSS THE FORECAST PERIOD.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AND ISOLATED THUNDERSTORMS THROUGH THE MORNING
AND EARLY AFTERNOON.
MAX TEMPERATURE.....49-53.
MIN HUMIDITY........66-70 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 7 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 4 TO 6 MPH
LATE IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
RIDGETOP...........EAST 6 TO 7 MPH SHIFTING TO THE NORTHWEST 7 TO
8 MPH LATE IN THE MORNING.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH SHIFTING TO THE EAST
AROUND 6 MPH EARLY IN THE MORNING, THEN
SHIFTING TO THE NORTHWEST 7 TO 8 MPH LATE IN
THE MORNING.
CWR.................10 PERCENT IN THE MORNING, INCREASING TO 20
PERCENT IN THE AFTERNOON.
CHANCE OF THUNDER...5 PERCENT IN THE MORNING, INCREASING TO 14
PERCENT IN THE AFTERNOON.
TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY COVER.......CLOUDY MCLDY MCLDY MCLDY MCLDY MCLDY
CWR.............0 10 10 15 20 10
CHC OF THDR (%).0 3 8 12 14 4
TEMP............46 47 48 48 48 46
RH..............57 61 65 74 83 89
SL/VL WIND......E 5 NE 3 W 5 W 5 W 6 W 4
SL/VL WIND GUST.7 7 8 8 12 9
RIDGETOP WIND...SE 7 E 6 NW 7 NW 7 W 8 NW 7
MIX HGT (FT)....BLW100 BLW100 2500 2500 3900 2000
TRANSPORT WIND..SE 7 E 6 NW 7 NW 7 W 8 NW 7
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
MIN TEMPERATURE.....38-42.
MAX HUMIDITY........80-84 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT NORTHWEST WINDS BECOMING NORTHEAST
5 TO 7 MPH LATE IN THE EVENING.
RIDGETOP...........NORTHWEST AROUND 7 MPH SHIFTING TO THE
NORTHEAST 6 TO 9 MPH EARLY IN THE EVENING.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH SHIFTING TO THE
NORTHEAST 6 TO 9 MPH EARLY IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......MCLDY PCLDY PCLDY MCLEAR MCLEAR MCLEAR
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............45 42 42 42 42 42
RH..............93 97 86 76 71 68
SL/VL WIND......W 3 N 3 N 3 NE 6 NE 6 NE 6
SL/VL WIND GUST.9 7 7 9 9 9
RIDGETOP WIND...NW 7 N 6 N 6 NE 7 NE 8 NE 8
MIX HGT (FT)....2000 BLW100 BLW100 BLW100 BLW100 BLW100
TRANSPORT WIND..NW 7 N 6 N 6 NE 7 NE 8 NE 8
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....54-58.
MIN HUMIDITY........48-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 6 MPH IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST UP TO 5 MPH
LATE IN THE AFTERNOON BECOMING LIGHT.
RIDGETOP...........NORTHEAST 7 TO 9 MPH SHIFTING TO THE WEST 6 TO
8 MPH LATE IN THE MORNING.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 9 MPH DECREASING TO 7 TO 9 MPH
IN THE MORNING, THEN SHIFTING TO THE WEST 6 TO
8 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 10 AM 2 PM
SKY COVER.......MCLEAR MCLEAR MCLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............41 47 54
RH..............69 56 49
SL/VL WIND......NE 6G9 NE 6G9 W 5G10
RIDGETOP WIND...NE 9 NE 7 W 8
MIX HGT (FT)....BLW100 BLW100 3700
TRANSPORT WIND..NE 9 NE 7 W 8
FORECASTER...NR
REQUESTED BY...MATTHEW KETEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2524111.0/STO
.DELDT 10/21/25
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.KETEL@USDA.GOV
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