510
FNUS76 KSTO 270139
FWSSTO
SPOT FORECAST FOR PLUMAS CAL-TREX FRC...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
639 PM PDT SUN APR 26 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SLIGHT CHANCE OF A LINGERING MORNING RAIN SHOWER MONDAY, BUT OTHERWISE
MOSTLY CLOUDY SKIES EXPECTED TO PREVAIL MOST OF THE DAY. LIGHT SURFACE
WINDS BELOW 7 MPH EXPECTED THROUGHOUT THE FORECAST PERIOD, MOSTLY
TERRAIN DRIVEN. HUMIDITY VALUES WILL BEGIN TO FALL SLIGHTLY BY
TUESDAY WITH LIGHT NORTH WINDS DEVELOPING BEHIND AN EXITING WEATHER
SYSTEM. HUMIDITY VALUES LOOK TO BE IN THE LOW TO MID 30S BY TUESDAY
AS DRIER AIR MOVES INTO THE REGION.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF RAIN LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....56-60.
MIN HUMIDITY........42-46 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST UP TO 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........WEST 3 TO 9 MPH.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 9 MPH.
CWR.................4 PERCENT.
CHANCE OF THUNDER...14 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC MC PC PC MCR MCR MCR MC MC MC MC PC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 10 10 10 10 10 10 10
TEMP............33 32 34 36 41 46 51 55 56 58 56 56
RH..............100 99 100 94 78 66 56 47 45 45 49 51
SL/VL WIND DIR..N N N N N N W W W W W W
SL/VL WIND SPD..0 0 0 0 0 0 1 2 2 3 5 5
SL/VL WIND GUST.1 1 1 1 2 3 5 7 8 9 9 9
RIDGE WIND DIR..W W NW NW NW NW NW NW W W W W
RIDGE WIND SPD..3 3 3 3 3 5 5 5 9 9 9 8
MIX HGT (KFT)...1.4 1.4 3.0 3.0 3.0 5.4 5.4 5.4 5.4 5.4 5.4 4.8
TRANSP WIND DIR.W W NW NW NW NW NW NW W W W W
TRANSP WIND SPD.3 3 3 3 3 5 5 5 9 9 9 8
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....30-34.
MAX HUMIDITY........98-100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........WEST 7 TO 8 MPH SHIFTING TO THE SOUTHWEST
AROUND 5 MPH LATE IN THE EVENING, THEN SHIFTING
TO THE EAST 5 TO 6 MPH OVERNIGHT.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....WEST AROUND 8 MPH SHIFTING TO THE SOUTHWEST 7
TO 8 MPH IN THE EVENING, THEN DECREASING TO
AROUND 5 MPH LATE IN THE EVENING SHIFTING TO
THE EAST 5 TO 6 MPH OVERNIGHT.
CWR.................4 PERCENT.
CHANCE OF THUNDER...8 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC PC PC MCR MCR MCR MCR MCR MCR PC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............55 51 47 44 42 40 38 37 36 35 34 33
RH..............58 67 77 86 94 100 100 100 100 100 100 100
SL/VL WIND DIR..W W SW SW SW 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.9 9 5 5 5 2 2 2 1 1 1 1
RIDGE WIND DIR..W W SW SW SW SW SW SW E E E NE
RIDGE WIND SPD..8 8 7 7 7 5 5 5 5 5 5 6
MIX HGT (KFT)...4.8 4.8 1.2 1.2 1.2 1.7 1.7 1.7 1.1 1.1 1.1 1.1
TRANSP WIND DIR.W W SW SW SW SW SW SW E E E NE
TRANSP WIND SPD.8 8 7 7 7 5 5 5 5 5 5 6
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........32-36 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST UP TO 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........NORTHEAST AROUND 6 MPH SHIFTING TO THE WEST
AROUND 7 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE WEST
AROUND 7 MPH LATE IN THE AFTERNOON.
CWR.................4 PERCENT.
CHANCE OF THUNDER...12 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC PC 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 10 10 10 10 10 10 0
TEMP............33 34 36 41 46 52 57 61 64 65 66 64
RH..............100 100 99 87 71 56 46 38 34 32 33 37
SL/VL WIND DIR..N N N N N N N N W W W W
SL/VL WIND SPD..0 0 0 0 0 0 0 0 1 1 1 5
SL/VL WIND GUST.1 1 1 1 1 3 3 3 6 6 6 8
RIDGE WIND DIR..NE NE NE NE NE SE SE SE S S S W
RIDGE WIND SPD..6 6 6 6 6 7 7 7 8 8 8 7
MIX HGT (KFT)...1.1 1.1 1.6 1.6 1.6 6.6 6.6 6.6 8.5 8.5 8.5 5.2
TRANSP WIND DIR.NE NE NE NE NE SE SE SE S S S W
TRANSP WIND SPD.6 6 6 6 6 7 7 7 8 8 8 7
FORECASTER...JW
REQUESTED BY...MICHAEL SPRINKLE
TYPE OF REQUEST...PRESCRIBED
.TAG 2611714.1/STO
.DELDT 04/27/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.SPRINKLE@USDA.GOV
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