631
FNUS76 KSTO 290319
FWSSTO
SPOT FORECAST FOR PLUMAS TREX BUTTERFLY VALLEY...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
819 PM PDT TUE APR 28 2026
FORECAST IS BASED ON IGNITION TIME OF 1800 PDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY CLEAR CONDITIONS TONIGHT, WITH LINGERING SHOWERS CONTINUING
THROUGH AROUND 10PM. MOSTLY LIGHT, TERRAIN DRIVEN WINDS THE NEXT
FEW DAYS AS HIGH PRESSURE BUILDS IN TO OUR NORTH, AND A LOW PRESSURE
MOVES INTO BAJA CALIFORNIA. THIS PATTERN SHOULD BRING MOSTLY CALM
WEATHER AND CONTINUED DRYING CONDITIONS THE NEXT FEW DAYS. OUR NEXT
SHOT AT PRECIPITATION WILL BE LATER IN THE WEEKEND, WITH MINIMAL
IMPACTS AND ACCUMULATIONS EXPECTED AT THIS TIME.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....37-41.
MAX HUMIDITY........87-91 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........WEST 3 TO 9 MPH SHIFTING TO THE NORTHEAST 5 TO
6 MPH OVERNIGHT.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 9 MPH DECREASING TO 3 TO 9 MPH IN
THE EVENING AND OVERNIGHT, THEN SHIFTING TO THE
NORTHEAST 5 TO 6 MPH OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
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............71 68 61 56 53 50 47 45 43 41 40 39
RH..............31 40 52 61 68 74 79 82 85 88 89 89
SL/VL WIND DIR..W W W W W N N N N N N N
SL/VL WIND SPD..5 5 2 2 2 0 0 0 0 0 0 0
SL/VL WIND GUST.8 8 3 3 3 1 1 1 1 1 1 1
RIDGE WIND DIR..W W W W W W W W N N N NE
RIDGE WIND SPD..9 9 7 7 7 3 3 3 5 5 5 6
MIX HGT (KFT)...6.3 6.3 1.6 1.6 1.6 1.4 1.4 1.4 1.4 1.4 1.4 1.5
TRANSP WIND DIR.W W W W W W W W N N N NE
TRANSP WIND SPD.9 9 7 7 7 3 3 3 5 5 5 6
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....76-80.
MIN HUMIDITY........18-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 6 TO 8 MPH.
MIXING HEIGHT.......9400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR 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............39 41 44 49 56 63 69 73 76 78 78 76
RH..............87 83 76 63 49 36 28 24 21 18 18 20
SL/VL WIND DIR..N N NE NE NE NE NE NE NE NE NE N
SL/VL WIND SPD..0 0 1 1 1 2 2 2 2 2 2 3
SL/VL WIND GUST.1 1 2 2 2 6 6 6 7 7 7 8
RIDGE WIND DIR..NE NE E E E NE NE NE NE NE NE NE
RIDGE WIND SPD..6 6 8 8 8 8 8 8 6 6 6 8
MIX HGT (KFT)...1.5 1.5 2.0 2.0 2.0 8.5 8.5 8.5 9.4 9.4 9.4 8.8
TRANSP WIND DIR.NE NE E E E NE NE NE NE NE NE NE
TRANSP WIND SPD.6 6 8 8 8 8 8 8 6 6 6 8
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....39-43.
MAX HUMIDITY........70-74 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 5 TO 8 MPH.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 8 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR CLR CLR CLR CLR CLR CLR 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............74 69 65 61 57 53 50 47 45 43 42 42
RH..............25 32 39 45 52 57 62 66 69 71 72 71
SL/VL WIND DIR..N N N N N E E E E E E N
SL/VL WIND SPD..3 3 2 2 2 1 1 1 1 1 1 0
SL/VL WIND GUST.8 8 5 5 5 2 2 2 1
RIDGE WIND DIR..NE NE N N N NE NE NE NE NE NE E
RIDGE WIND SPD..8 8 8 8 8 5 5 5 7 7 7 7
MIX HGT (KFT)...8.8 8.8 1.6 1.6 1.6 1.4 1.4 1.4 1.4 1.4 1.4 1.4
TRANSP WIND DIR.NE NE N N N NE NE NE NE NE NE E
TRANSP WIND SPD.8 8 8 8 8 5 5 5 7 7 7 7
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....80-84.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE
IN THE AFTERNOON.
RIDGETOP...........EAST AROUND 7 MPH SHIFTING TO THE SOUTH 8 TO 10
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 7 MPH SHIFTING TO THE SOUTH 8 TO 10
MPH LATE IN THE AFTERNOON.
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 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 PC PC PC PC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 M M M 0 0 0 0
TEMP............42 43 46 52 60 67 73 77 80 81 80 78
RH..............71 70 65 55 42 31 25 21 20 19 20 23
SL/VL WIND DIR..N N N N N E E E SW SW SW SW
SL/VL WIND SPD..0 0 0 0 0 1 1 1 3 3 3 6
SL/VL WIND GUST.1 1 1 1 1 3 3 3 8 8 8 12
RIDGE WIND DIR..E E E E E E E E S S S S
RIDGE WIND SPD..7 7 7 7 7 7 7 7 10 10 10 8
MIX HGT (KFT)...1.4 1.4 1.8 1.8 1.8 7.8 7.8 7.8 10 10 10 8.5
TRANSP WIND DIR.E E E E E E E E S S S S
TRANSP WIND SPD.7 7 7 7 7 7 7 7 10 10 10 8
FORECASTER...JW
REQUESTED BY...MICHAEL SPRINKLE
TYPE OF REQUEST...PRESCRIBED
.TAG 2611887.1/STO
.DELDT 04/28/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.SPRINKLE@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page