456
FNUS76 KSTO 270037
FWSSTO
SPOT FORECAST FOR PENTZ...CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
537 PM PDT FRI JUN 26 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON JUNE 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PARTLY CLOUDY CONDITIONS THIS EVENING AS WORK ON THE PENTZ WILDFIRE
CONTINUES. A WEATHER SYSTEM IS MOVING THROUGH PORTIONS OF THE PACNW,
USHERING IN BREEZY SOUTH TO SOUTHWEST WINDS THIS EVENING. WIND GUSTS
OF AROUND 27 TO 30 MPH HAVE BEEN OBSERVED AT CHICO AIRPORT AND NEAR
LAKE OROVILLE. EXPECT BREEZY CONDITIONS TO CONTINUE THROUGH THE
EVENING AND OVERNIGHT HOURS. A SLIGHT CHANCE OF AN ISOLATED RAIN
SHOWER EXISTS TONIGHT THROUGH EARLY TOMORROW MORNING, THOUGH CONFIDENCE
LOW ON ANY RAIN SHOWERS DEVELOPING. SOUTH WINDS CONTINUE TOMORROW,
ALTHOUGH NOT AS STRONG WITH SUSTAINED WINDS BELOW 12 MPH. BY SATURDAY
NIGHT, NORTH WINDS WILL BEGIN TO DEVELOP AS THE WEATHER SYSTEM LEAVES
THE AREA. NORTH TO NORTHWEST WINDS ON SUNDAY COULD GUSTS UP TO AROUND
20 TO 25 MPH.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF LIGHT
RAIN SHOWERS THIS EVENING AND THROUGH THE
OVERNIGHT HOURS.
MIN TEMPERATURE.....58-62.
MAX HUMIDITY........86-90 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 16 MPH WITH GUSTS TO
AROUND 29 MPH.
RIDGETOP...........WEST 15 TO 24 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 16 TO 17 MPH.
CWR.................5 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY COVER.......MCLEAR PCLDY MCLEAR PCLDY
CWR.............10 10 0 0
CHC OF THDR (%).10 0 0 0
TEMP............84 77 70 65
RH..............43 56 72 81
SL/VL WIND......S 13G24 S 16G29 SE 15G26 SE 13G24
RIDGETOP WIND...W 18 W 16 SW 22 W 24
MIX HGT (FT)....5800 700 500 1800
TRANSPORT WIND..S 16 S 16 SE 16 SE 17
SATURDAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. SLIGHT CHANCE
OF RAIN IN THE MORNING.
MAX TEMPERATURE.....75-79.
MIN HUMIDITY........44-48 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 9 MPH.
RIDGETOP...........WEST 21 TO 26 MPH.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 16 MPH SHIFTING TO THE SOUTHWEST
AROUND 5 MPH LATE IN THE AFTERNOON.
CWR.................5 PERCENT INCREASING TO 21 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...4 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......MCLDY MCLDY MCLDY MCLEAR
CWR.............10 10 0 0
CHC OF THDR (%).0 0 0 0
TEMP............61 62 67 75
RH..............88 86 74 54
SL/VL WIND......SE 9G18 S 9G17 S 8G16 S 7G13
RIDGETOP WIND...W 23 W 21 W 22 NW 26
MIX HGT (FT)....1700 2500 3600 5100
TRANSPORT WIND..SE 16 S 15 S 13 S 8
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY THEN BECOMING CLEAR.
SLIGHT CHANCE OF RAIN.
MIN TEMPERATURE.....56-60.
MAX HUMIDITY........71-75 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH UP TO 5 MPH
EARLY IN THE MORNING.
RIDGETOP...........WEST 14 TO 23 MPH SHIFTING TO THE NORTHWEST
AROUND 16 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST 3
TO 5 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE NORTH AROUND 5 MPH OVERNIGHT.
CWR.................21 PERCENT DECREASING TO 4 PERCENT LATE IN THE
EVENING.
CHANCE OF THUNDER...7 PERCENT.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY COVER.......PCLDY MCLDY PCLDY MCLEAR
CWR.............20 20 0 0
CHC OF THDR (%).0 10 0 0
TEMP............77 71 66 61
RH..............46 56 66 70
SL/VL WIND......S 5G10 S 2G6 NE 1G5 N 2G5
RIDGETOP WIND...W 23 W 14 W 9 NW 12
MIX HGT (FT)....4700 700 400 400
TRANSPORT WIND..SW 5 E 5 NE 3 N 5
SUNDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........24-28 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST 5 TO 13 MPH LATE IN THE MORNING.
RIDGETOP...........NORTH 12 TO 18 MPH.
MIXING HEIGHT.......6400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 7 MPH SHIFTING TO THE NORTHWEST
10 TO 13 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 10 AM 2 PM
SKY COVER.......CLEAR CLEAR CLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............58 70 80
RH..............70 44 31
SL/VL WIND......N 5G7 N 5G9 W 13G23
RIDGETOP WIND...NW 17 N 18 N 12
MIX HGT (FT)....400 1400 6400
TRANSPORT WIND..NE 5 N 7 NW 13
FORECASTER...JW
REQUESTED BY...FC AUSTIN HALL
TYPE OF REQUEST...WILDFIRE
.TAG 2616281.0/STO
.DELDT 06/26/26
.FORMATTERVERSION 2.0.0
.EMAIL AUSTIN.HALL@FIRE.CA.GOV
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