807
FNUS75 KTWC 271348
FWSTWC
SPOT FORECAST FOR YELLOWJACKET...SAN CARLOS
NATIONAL WEATHER SERVICE TUCSON AZ
648 AM MST SAT JUN 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MST ON JUNE 27.
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST
SUNDAY...
DISCUSSION
A WEATHER SYSTEM MOVING INTO THE GREAT BASIN THIS
WEEKEND WILL BRING GUSTY SOUTHWEST WINDS TO THE AREA. EXPECT
SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DURING
THE AFTERNOON AND EARLY EVENING HOURS THIS WEEKEND. MINIMUM RH
VALUES BOTH AFTERNOONS WILL BE IN THE 10 TO 15 PERCENT RANGE.
THE GUSTY WINDS AND LOW RH VALUES WILL RESULT IN CRITICAL FIRE
WEATHER CONDITIONS THIS WEEKEND WHERE A RED FLAG WARNING IS IN
EFFECT.
TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....100-103 DEGREES.
MIN HUMIDITY........12-15 PERCENT.
20-FOOT WINDS.......BREEZY. EAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST AFTER 8 AM, THEN SHIFTING TO THE
WEST 12 TO 17 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
SMOKE DISPERSAL.....POOR (2100 KNOT-FT) INCREASING TO EXCELLENT
(217100 KNOT-FT).
MIXING HEIGHT.......2300 FT AGL INCREASING TO 11600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 4 KNOTS SHIFTING TO THE SOUTHWEST 6
TO 15 KNOTS AFTER 8 AM, THEN INCREASING TO 18 TO
22 KNOTS LATE IN THE MORNING.
TIME (MST) 7 AM 10 AM 1 PM 4 PM
SKY (%).........2 1 0 7
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
TEMP............84 92 99 100
RH..............26 20 15 13
20 FT WIND......S 4G7 SW 7G13 W 16G25 W 18G28
MIX HGT (FT)....2300 6900 11600 10800
TRANSPORT WIND..SW 6 SW 15 SW 22 W 22
VRATE KT-FT/1K..14 103 255 239
VENTRATE CAT....MRGL EXNT EXNT EXNT
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....73-76 DEGREES.
MAX HUMIDITY........21-24 PERCENT.
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
30 MPH DECREASING TO 8 TO 13 MPH AFTER SUNSET,
THEN SHIFTING TO THE NORTH UP TO 5 MPH AFTER
MIDNIGHT.
SMOKE DISPERSAL.....EXCELLENT (208300 KNOT-FT) DECREASING TO POOR
(2400 KNOT-FT).
MIXING HEIGHT.......9500 FT AGL DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 22 KNOTS DECREASING TO 6 TO 11 KNOTS
LATE IN THE EVENING, THEN SHIFTING TO THE NORTH
AROUND 5 KNOTS AFTER 3 AM.
TIME (MST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........14 10 11 6
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
TEMP............97 88 82 75
RH..............15 17 18 21
20 FT WIND......W 18G29 W 16G26 NW 6G14 N 4G7
MIX HGT (FT)....9500 800 500 500
TRANSPORT WIND..W 22 W 17 W 10 NW 6
VRATE KT-FT/1K..208 13 5 3
VENTRATE CAT....EXNT MRGL POOR POOR
SUNDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....98-101 DEGREES.
MIN HUMIDITY........9-12 PERCENT.
20-FOOT WINDS.......BREEZY. EAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTH AFTER 8 AM, THEN INCREASING TO SOUTHWEST
15 TO 20 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT) INCREASING TO EXCELLENT
(182900 KNOT-FT).
MIXING HEIGHT.......1600 FT AGL INCREASING TO 10900 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 5 KNOTS SHIFTING TO THE
SOUTHWEST 6 TO 15 KNOTS EARLY IN THE MORNING,
THEN INCREASING TO 16 TO 21 KNOTS IN THE
AFTERNOON.
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........7 0 0 3
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
TEMP............74 87 96 99
RH..............22 16 12 10
20 FT WIND......NE 3G6 S 6G10 SW 13G23 W 17G26
MIX HGT (FT)....500 5100 9400 10400
TRANSPORT WIND..NE 5 SW 15 SW 19 SW 19
VRATE KT-FT/1K..3 76 178 197
VENTRATE CAT....POOR VYGD EXNT EXNT
FORECASTER...FIRE WX FORECASTER
REQUESTED BY...CHARLES PATTERSON JR.
TYPE OF REQUEST...WILDFIRE
.TAG 2616285.1/TWC
.DELDT 06/27/26
.FORMATTERVERSION 2.0.0
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