169
FNUS55 KTWC 240926
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
226 AM MST WED JUN 24 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
ISOLATED THUNDERSTORMS SOUTH AND EAST OF TUCSON
POSSIBLE TODAY AND THURSDAY, SLIGHT CHANCE IN THE WHITE
MOUNTAINS FRIDAY, WITH DRY CONDITIONS RETURNING OVER THE
WEEKEND. HIGH TEMPERATURES WILL BE SEVERAL DEGREES ABOVE NORMAL
THROUGH FRIDAY, RESULTING IN MODERATE TO MAJOR HEATRISK.
SUSTAINED WIND SPEEDS WILL GENERALLY BE 15 MPH OR LESS THROUGH
WEDNESDAY, EXCEPT FOR THE LOWER ELEVATIONS OF GRAHAM COUNTY
WHERE STRONGER SPEEDS OF 15-20 MPH ARE EXPECTED. AFTERNOON AND
EARLY EVENING GUSTS TO 25-30 MPH ARE EXPECTED AREAWIDE DUE TO
THE STRONG SURFACE HEATING. ANY THUNDERSTORMS THAT DEVELOP
WEDNESDAY THOUGH FRIDAY WILL HAVE THE POTENTIAL TO HAVE WIND
GUSTS TO 40+ MPH. MINIMUM RELATIVE HUMIDITY LEVELS WILL BE IN
THE 10-20 PERCENT RANGE WITH AREAS ALONG THE INTERNATIONAL
BORDER ON THE HIGHER END OF THAT RANGE.
SOUTHWEST WINDS INCREASE THURSDAY AFTERNOON IN ADVANCE OF A SYSTEM
MOVING TO OUR NORTH, WITH NEAR CRITICAL FIRE WEATHER CONDITIONS
FRIDAY THROUGH SUNDAY. AT THIS TIME, SATURDAY AND SUNDAY
APPEAR TO BE THE BREEZIEST DAYS WITH SOME LOCATIONS SEEING
BRIEF RED FLAG CONDITIONS IN THE AFTERNOON AND EVENING.
SOUTHWEST WINDS OF 15-20 MPH AND GUSTS TO 30-35 MPH ARE EXPECTED
FRIDAY, SATURDAY, AND SUNDAY AFTERNOON/EVENINGS.
AZZ150-242215-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
226 AM MST WED JUN 24 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........101 TO 111 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............12 TO 20 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 10 TO 15 MPH.
* MIXING HEIGHT............11070 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 9 TO 12 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (132840 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (20-30 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........74 TO 84 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............30 TO 40 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 20 MPH BECOMING SOUTH AROUND
10 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT) THEN BECOMING
MOSTLY SUNNY (20-30 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........101 TO 111 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............12 TO 21 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............13441 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 10 TO 16 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (215056 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 73 TO 83. HIGHS 99 TO 109. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 11 TO 17 PCT.
SATURDAY
CLEAR. LOWS 70 TO 80. HIGHS 97 TO 107. SOUTHWEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 10 TO 17 PCT.
SUNDAY
CLEAR. LOWS 68 TO 78. HIGHS 94 TO 104. SOUTHWEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 10 TO 20 PCT.
MONDAY
CLEAR. LOWS 65 TO 75. HIGHS 93 TO 103.
TUESDAY
MOSTLY CLEAR. LOWS 64 TO 74. HIGHS 93 TO 103.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-242215-
ARIZONA FIRE WEATHER ZONE 151
WESTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO
5500 FEET IN SOUTHEAST CORNER OF PINAL COUNTY-
EXTREME EASTERN PIMA COUNTY-WESTERN THIRD OF COCHISE COUNTY-
SANTA CRUZ COUNTY-TDC-
226 AM MST WED JUN 24 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). PATCHY
BLOWING DUST. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
* CHANCE OF PRECIP.........15 PCT.
* CHANCE OF THUNDER........15 PCT.
* MAX TEMPERATURE..........96 TO 106 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............13 TO 21 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH INCREASING TO
WEST AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........EAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* MIXING HEIGHT............10701 FT AGL.
* TRANSPORT WINDS..........WEST 8 TO 16 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (171216 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........67 TO 77 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............38 TO 48 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. SOUTHWEST AROUND 25 MPH BECOMING
SOUTH AROUND 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........NORTHWEST AROUND 15 MPH BECOMING WEST
AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........95 TO 105 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............14 TO 24 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH INCREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............11518 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 10 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (195806 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 66 TO 76. HIGHS 94 TO 104. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 11 TO 20 PCT.
SATURDAY
CLEAR. LOWS 64 TO 74. HIGHS 92 TO 102. SOUTHWEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 11 TO 21 PCT.
SUNDAY
CLEAR. LOWS 62 TO 72. HIGHS 90 TO 100. SOUTHWEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 11 TO 20 PCT.
MONDAY
CLEAR. LOWS 60 TO 70. HIGHS 89 TO 99.
TUESDAY
MOSTLY CLEAR. LOWS 60 TO 70. HIGHS 89 TO 99.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-242215-
ARIZONA FIRE WEATHER ZONE 152
EASTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO
5500 FEET IN SOUTHWEST GRAHAM COUNTY AND EASTERN TWO THIRDS OF
COCHISE COUNTY-SOUTHERN SAN CARLOS RESERVATION-
SOUTHERN GREENLEE COUNTY BELOW 5000 FEET-TDC-
226 AM MST WED JUN 24 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT). PATCHY
BLOWING DUST. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........98 TO 108 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............10 TO 19 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. WEST AROUND 10 MPH INCREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........EAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............12339 FT AGL.
* TRANSPORT WINDS..........WEST 10 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (234441 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). PATCHY
BLOWING DUST. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........15 PCT.
* CHANCE OF THUNDER........15 PCT.
* MIN TEMPERATURE..........67 TO 77 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............37 TO 47 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. SOUTHWEST AROUND 25 MPH
DECREASING TO AROUND 10 MPH AFTER
MIDNIGHT.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........95 TO 105 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............13 TO 23 PCT.
24 HR TREND...........UP 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH INCREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............13074 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (248406 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 65 TO 75. HIGHS 94 TO 104. SOUTHWEST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 64 TO 74. HIGHS 93 TO 103.
SOUTHWEST WIND AROUND 25 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
SUNDAY
CLEAR. LOWS 62 TO 72. HIGHS 92 TO 102. SOUTHWEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
MONDAY
MOSTLY CLEAR. LOWS 60 TO 70. HIGHS 90 TO 100.
TUESDAY
MOSTLY CLEAR. LOWS 61 TO 71. HIGHS 90 TO 100.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-242215-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-
SOUTHERN SAN CARLOS RESERVATION ABOVE 5000 FEET-SDC-
226 AM MST WED JUN 24 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........87 TO 97 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............11 TO 21 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO
SOUTHWEST AROUND 20 MPH IN THE
AFTERNOON.
* 10000 FT MSL WIND........EAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............13513 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 12 KNOTS SHIFTING TO THE
SOUTHWEST 15 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (202695 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (20-30 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........83 TO 93 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
* MIXING HEIGHT............10957 FT AGL.
* TRANSPORT WINDS..........WEST 16 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (197226 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 58 TO 68. HIGHS 82 TO 92. WEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 14 TO 23 PCT.
SATURDAY
CLEAR. LOWS 57 TO 67. HIGHS 81 TO 91. WEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 12 TO 20 PCT.
SUNDAY
CLEAR. LOWS 55 TO 65. HIGHS 80 TO 90. WEST WIND AROUND
20 MPH. MINIMUM HUMIDITY 11 TO 19 PCT.
MONDAY
CLEAR. LOWS 53 TO 63. HIGHS 79 TO 89.
TUESDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 80 TO 90.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-242215-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
226 AM MST WED JUN 24 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........87 TO 97 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........EAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............14604 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (189852 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........15 PCT.
* CHANCE OF THUNDER........15 PCT.
* MIN TEMPERATURE..........63 TO 73 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............36 TO 46 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 20 MPH BECOMING SOUTHWEST
AROUND 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........WEST AROUND 15 MPH DECREASING TO AROUND
5 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........85 TO 95 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............20 TO 30 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH INCREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............13922 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (194908 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 61 TO 71. HIGHS 84 TO 94. SOUTHWEST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 70. HIGHS 82 TO 92.
SOUTHWEST WIND AROUND 25 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS 81 TO 91. SOUTHWEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
MONDAY
MOSTLY CLEAR. LOWS 57 TO 67. HIGHS 80 TO 90.
TUESDAY
MOSTLY CLEAR. LOWS 57 TO 67. HIGHS 79 TO 89.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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