622
FNUS76 KSTO 181410
FWSSTO
SPOT FORECAST FOR NORTH 49...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
610 AM PST THU DEC 18 2025
FORECAST IS BASED ON IGNITION TIME OF 1200 PST ON DECEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PRIMARILY DRY CONDITIONS ARE ANTICIPATED TODAY AMIDST A BRIEF
LULL BETWEEN SYSTEMS. BREEZY SOUTH WINDS THROUGHOUT THE DAY, THEN
BECOME GUSTY BY THE EVENING, WITH STRONGEST GUSTS UP TO 30 MPH
CURRENTLY EXPECTED THROUGH THE EVENING AND OVERNIGHT HOURS BEFORE
GRADUALLY DECREASING LATE IN THE DAY FRIDAY. MORE WIDESPREAD
PRECIPITATION CHANCES THEN LOOK TO RESUME BY OVERNIGHT INTO FRIDAY
MORNING AS PERIODS OF MODERATE TO HEAVY RAINFALL CONTINUE INTO
THE WEEKEND. CURRENT PROBABILITY OF PRECIPITATION GREATER THAN 2
INCHES THROUGH FRIDAY EVENING SIT AROUND 40-60% AT THIS TIME.
A SIGNIFICANTLY STRONGER AND WETTER SYSTEM IS EXPECTED TO BRING
MUCH HEAVIER PRECIPITATION TOTALS AND GUSTY WINDS TO THE BURN
LOCATION FROM THE LATE WEEKEND INTO NEXT WEEK. CHANCES FOR
PRECIPITATION GREATER THAN 5 INCHES SUNDAY-WEDNESDAY SIT AROUND
20-40% WITH SOME POTENTIAL FOR ACCUMULATING SNOWFALL IN THE BURN
VICINITY AS WELL.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON.
MAX TEMPERATURE.....43-48.
MIN HUMIDITY........83-88 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 8 TO 10 MPH WITH GUSTS TO AROUND
22 MPH.
RIDGETOP...........SOUTHWEST 21 TO 22 MPH.
MIXING HEIGHT.......RISING TO NEAR 1400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 22 MPH.
CWR.................9 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PST) 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC MC MC
CWR.............10 10 10 10 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............45 46 46 45 43 43
RH..............86 86 86 93 100 99
SL/VL WIND DIR..SW SW SW SW SW SW
SL/VL WIND SPD..8 8 8 8 9 9
SL/VL WIND GUST.22 22 22 21 22 22
RIDGE WIND DIR..SW SW SW SW SW SW
RIDGE WIND SPD..21 22 22 22 22 22
MIX HGT (KFT)...1.1 1.4 1.4 1.4 0.9 0.9
TRANSP WIND DIR.SW SW SW SW SW SW
TRANSP WIND SPD.21 22 22 22 22 22
TONIGHT
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY EARLY IN THE
EVENING, THEN RAIN SHOWERS IN THE LATE EVENING
AND OVERNIGHT.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 14 MPH WITH GUSTS TO
AROUND 28 MPH.
RIDGETOP...........SOUTHWEST 22 TO 29 MPH.
MIXING HEIGHT.......FALLING TO AROUND 600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 22 TO 29 MPH.
CWR................5 PERCENT INCREASING TO 88 PERCENT AFTER 3 AM.
CHANCE OF THUNDER...1 PERCENT.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC MC MC MC MC MC MC CDY CDY
CWR.............0 0 0 0 0 0 0 0 0 0 90 90
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............41 40 39 39 38 38 38 36 36 35 34 34
RH..............99 99 100 99 99 98 99 100 100 100 100 100
SL/VL WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
SL/VL WIND SPD..9 10 10 10 12 12 12 14 14 14 14 14
SL/VL WIND GUST.22 24 24 24 25 25 25 28 28 28 28 28
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
RIDGE WIND SPD..22 25 25 25 28 28 28 29 29 29 28 28
MIX HGT (KFT)...0.9 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.22 25 25 25 28 28 28 29 29 29 28 28
FRIDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS.
MAX TEMPERATURE.....40-45.
MIN HUMIDITY........95-100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 14 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGETOP...........SOUTHWEST 21 TO 29 MPH.
MIXING HEIGHT.......RISING TO NEAR 1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 29 MPH.
CWR.................97 PERCENT DECREASING TO 81 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...9 PERCENT.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY
CWR.............90 90 90 90 100 100 100 100 100 100 80 80
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 10 10
TEMP............35 35 36 38 39 40 41 41 42 42 41 41
RH..............100 100 100 100 100 100 100 100 100 100 100 100
SL/VL WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
SL/VL WIND SPD..14 14 14 14 13 13 13 10 10 10 9 9
SL/VL WIND GUST.28 30 30 30 30 30 30 28 28 28 24 24
RIDGE WIND DIR..SW S S S SW SW SW SW SW SW SW SW
RIDGE WIND SPD..28 29 29 29 28 28 28 24 24 24 21 21
MIX HGT (KFT)...0.6 1.2 1.2 1.2 1.5 1.5 1.5 1.1 1.1 1.1 0.8 0.8
TRANSP WIND DIR.SW S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.28 29 29 29 28 28 28 24 24 24 21 21
FORECASTER...NR
REQUESTED BY...TRAVIS SCHNEIDER
TYPE OF REQUEST...PRESCRIBED
.TAG 2527727.2/STO
.DELDT 12/18/25
.FORMATTERVERSION 2.0.0
.EMAIL TRAVIS.SCHNEIDER@USDA.GOV
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