362
FNUS76 KSTO 302239
FWSSTO
SPOT FORECAST FOR HAPPY FIRE...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
339 PM PDT TUE JUN 30 2026
FORECAST IS BASED ON FORECAST START TIME OF 1600 PDT ON JUNE 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SUNNY WITH NEAR NORMAL HIGHER TEMPERATURES TODAY AND WEDNESDAY
FOR THE FIRE AREA, PEAKING IN THE LOW TO MID 80S AROUND 4 PM PDT.
MINIMUM HUMIDITY THIS AFTERNOON IS EXPECTED TO BE 25-30 PERCENT.
WINDS 5 TO 6 MPH WITH GUSTS TO 13 MPH THIS AFTERNOON, THEN
DECREASING THIS EVENING WITH LIGHT EAST/DOWNSLOPE WINDS OVERNIGHT.
SIMILAR TEMPERATURES AND HUMIDITY ON WEDNESDAY, ALONG WITH THE SAME
GENERAL DIURNAL WINDS.
REST OF TODAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 6 MPH, WITH GUSTS TO 13 MPH.
RIDGETOP...........SOUTHWEST AROUND 7 MPH.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 4 PM
SKY COVER.......CLEAR
CWR.............0
CHC OF THDR (%).0
TEMP............83
RH..............31
SL/VL WIND......W 6
SL/VL WIND GUST.13
RIDGETOP WIND...SW 7
MIX HGT (FT)....7300
TRANSPORT WIND..W 8
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....55-59.
MAX HUMIDITY........52-56 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT EAST AFTER MIDNIGHT.
RIDGETOP...........SOUTHWEST 7 TO 12 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 7 MPH SHIFTING TO THE EAST 7 TO
8 MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......CLEAR CLEAR MCLEAR CLEAR CLEAR CLEAR
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............82 78 68 63 62 60
RH..............28 31 42 50 52 53
SL/VL WIND......W 5 W 3 SE 1 E 2 E 2 E 2
SL/VL WIND GUST.10 8 3 5 5 3
RIDGETOP WIND...SW 7 SW 8 SW 7 SW 8 S 10 S 12
MIX HGT (FT)....6100 500 500 400 300 300
TRANSPORT WIND..W 7 SW 3 SW 3 E 7 E 8 E 8
WEDNESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-84.
MIN HUMIDITY........26-30 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT EAST WINDS BECOMING SOUTHWEST UP TO 6 MPH
LATE IN THE MORNING, THEN WEST 5 TO 6 MPH WITH GUSTS
TO 13 MPH.
RIDGETOP...........SOUTH 13 TO 16 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 7 MPH SHIFTING TO THE SOUTH 5 TO 8
MPH EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLEAR CLEAR CLEAR MCLEAR
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............58 71 79 82
RH..............52 36 36 31
SL/VL WIND......E 1G3 SW 1G3 W 6G13 SW 6G13
RIDGETOP WIND...S 13 S 14 S 14 S 15
MIX HGT (FT)....300 2000 4800 6000
TRANSPORT WIND..E 7 S 5 S 8 SW 8
FORECASTER...EK
REQUESTED BY...LAURA SPELLMAN
TYPE OF REQUEST...WILDFIRE
.TAG 2616549.0/STO
.DELDT 06/30/26
.FORMATTERVERSION 2.0.0
.EMAIL LAURA.SPELLMAN@FIRE.CA.GOV
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