170
FNUS76 KSTO 260529
FWSSTO
SPOT FORECAST FOR D54 PILE BURN...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
929 PM PST SUN JAN 25 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON JANUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY SKIES ARE EXPECTED AT THE BURN SITE OVER THE NEXT
SEVERAL DAYS. WINDS WILL BE GENERALLY 10 MPH OR LESS FOLLOWING
DIURNAL PATTERNS. A WEAK DISTURBANCE WILL MOVE THROUGH NORTHERN
CALIFORNIA TUESDAY EVENING, HOWEVER NO PRECIPITATION IS EXPECTED.
DRY CONDITIONS CONTINUE WITH DAYTIME HUMIDITIES TRENDING LOWER
THROUGH MID WEEK AS RIDING BUILDS OVERHEAD.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........30-34 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 4 TO 7 MPH.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.
CHANCE OF THUNDER...0 PERCENT.
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC MCR MCR MCR PC PC
CHC OF THDR (%).0 0 0 0 0 0 0 0 0
TEMP............42 45 47 48 49 50 48 48 45
RH..............35 33 34 36 34 35 37 38 38
20 FT WIND DIR..SE S S S S S S S S
20 FT WIND SPD..6 6 6 7 7 7 6 6 6
MIX HGT (KFT)...0.1 1.3 1.3 1.3 1.8 1.8 1.8 0.1 0.1
TRANSP WIND DIR.SE S S S S S S SE SE
TRANSP WIND SPD.8 10 10 10 9 9 9 6 6
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....36-40.
MAX HUMIDITY........36-40 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 4 TO 6 MPH SHIFTING TO THE EAST 5
TO 10 MPH.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 10 MPH.
CHANCE OF THUNDER...0 PERCENT.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC PC MCR MCR MCR MCR MCR MCR MCR MCR
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............42 41 40 40 40 40 40 40 40 39 39 39
RH..............38 38 38 38 37 35 33 31 31 31 31 31
20 FT WIND DIR..S E E E E E E E E E E E
20 FT WIND SPD..6 7 7 7 9 9 9 10 10 10 10 10
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SE E E E E E E E E E SE SE
TRANSP WIND SPD.6 7 7 7 9 9 9 10 10 10 10 10
TUESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....51-55.
MIN HUMIDITY........29-33 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH.
CHANCE OF THUNDER...0 PERCENT.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 40 42 44 47 49 51 52 52 51 50 48
RH..............31 31 31 31 31 31 30 31 33 35 38 40
20 FT WIND DIR..E NE NE NE SE SE SE SW SW SW W W
20 FT WIND SPD..10 9 9 9 6 6 6 6 6 6 6 6
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.4 0.4 0.4 2.1 2.1 2.1 0.5 0.5
TRANSP WIND DIR.SE E E E SE SE SE S S S S S
TRANSP WIND SPD.10 9 9 9 6 6 6 7 7 7 6 6
FORECASTER...KF
REQUESTED BY...BRADLEY WALKER
TYPE OF REQUEST...PRESCRIBED
.TAG 2600916.0/STO
.DELDT 01/26/26
.FORMATTERVERSION 2.0.0
.EMAIL DAVID.REYNOLDS@USDA.GOV,BRADLEY.WALKER@USDA.GOV
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