555
FNUS76 KSTO 300200
FWSSTO
SPOT FORECAST FOR PLUMAS CAL-TREX FRC...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 PM PDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS CONTINUE THURSDAY AND FRIDAY AS HIGH PRESSURE
BUILDS ALOFT AND A CLOSED LOW DEVELOPS OFFSHORE. DAYTIME RELATIVE
HUMIDITIES WILL BE IN THE UPPER TEENS TO LOW 20S ON THURSDAY AND
FRIDAY AS WELL. WINDS WILL REMAIN LIGHT AND DIURNALLY DRIVEN WITH
PERIODS OF BREEZY EAST WINDS DURING THE LATE MORNING/EARLY
AFTERNOON ON THURSDAY. WINDS THEN TURN OUT OF THE SOUTH TO
SOUTHWEST ON FRIDAY AND INTO THE WEEKEND AS THE CLOSED LOW MOVES
ONSHORE. THUNDERSTORM CHANCES INCREASE TO 10-20% OVER THE
WEEKEND, WITH INCREASED DAYTIME HUMIDITIES.
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 3 TO 8 MPH.
MIXING HEIGHT.......8700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 8 MPH.
CWR.................1 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR MCR MCR MCR MCR MCR PC MCR PC
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............38 40 42 46 55 61 66 70 72 74 74 74
RH..............91 85 78 63 50 39 31 26 22 21 21 21
SL/VL WIND DIR..SE W NW NE E E E NE NE N N W
SL/VL WIND SPD..1 1 1 1 1 2 2 2 2 3 2 3
SL/VL WIND GUST.2 3 3 3 5 7 7 7 7 8 8 7
RIDGE WIND DIR..NE NE E E E E E E N N N NE
RIDGE WIND SPD..6 6 8 8 8 7 7 7 3 3 3 3
MIX HGT (KFT)...1.1 1.1 2.3 2.3 2.3 7.3 7.3 7.3 8.7 8.7 8.7 7.1
TRANSP WIND DIR.NE NE E E E E E E N N N NE
TRANSP WIND SPD.6 6 8 8 8 7 7 7 3 3 3 3
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR.
MIN TEMPERATURE.....39-43.
MAX HUMIDITY........72-76 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST AROUND 3 MPH SHIFTING TO THE WEST
AROUND 6 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE EAST AROUND 7 MPH LATE IN THE
EVENING.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 7 MPH SHIFTING TO THE WEST AROUND 6
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE
EAST AROUND 7 MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC MCR MCR MCR CLR CLR CLR 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............72 68 64 60 55 51 48 46 44 43 42 41
RH..............25 33 43 51 58 63 67 69 70 72 73 73
SL/VL WIND DIR..W W NW NW NW E E E E E E E
SL/VL WIND SPD..3 3 2 2 2 1 1 1 1 1 1 1
SL/VL WIND GUST.7 7 3 3 3 3 3 3 2 2 2 2
RIDGE WIND DIR..NE NE W W W E E E E E E E
RIDGE WIND SPD..3 3 6 6 6 7 7 7 7 7 7 7
MIX HGT (KFT)...7.1 7.1 1.0 1.0 1.0 1.1 1.1 1.1 1.1 1.1 1.1 1.1
TRANSP WIND DIR.NE NE W W W E E E E E E E
TRANSP WIND SPD.3 3 6 6 6 7 7 7 7 7 7 7
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75-79.
MIN HUMIDITY........18-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 5 MPH LATE
IN THE AFTERNOON.
RIDGETOP...........EAST 6 TO 8 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 8 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
CWR.................1 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR 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 0 0 0 0 0 0 0
TEMP............41 42 45 51 57 64 69 73 75 77 77 75
RH..............73 72 67 56 43 32 25 22 20 19 20 23
SL/VL WIND DIR..E E N N N E E E S S S SW
SL/VL WIND SPD..1 1 0 0 0 1 1 1 3 3 3 5
SL/VL WIND GUST.2 2 2 2 2 5 5 5 8 8 8 10
RIDGE WIND DIR..E E E E E E E E SE SE SE SW
RIDGE WIND SPD..7 7 7 7 7 8 8 8 6 6 6 8
MIX HGT (KFT)...1.1 1.1 1.3 1.3 1.3 6.9 6.9 6.9 9.5 9.5 9.5 8.4
TRANSP WIND DIR.E E E E E E E E SE SE SE SW
TRANSP WIND SPD.7 7 7 7 7 8 8 8 6 6 6 8
FORECASTER...KF
REQUESTED BY...MICHAEL SPRINKLE
TYPE OF REQUEST...PRESCRIBED
.TAG 2611714.2/STO
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.SPRINKLE@USDA.GOV
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