312
FNUS55 KTWC 150943
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
243 AM MST WED JUL 15 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
DAILY CHANCES FOR THUNDERSTORMS WILL CONTINUE
EACH AFTERNOON AND EVENING THROUGH THE COMING WEEK WITH DAY TO
DAY VARIABILITY. MORE WIDESPREAD CHANCES FOR SHOWERS AND
THUNDERSTORMS ARE LIKELY THURSDAY AND POTENTIALLY FRIDAY.
MINIMUM RELATIVE HUMIDITY 25-30 PERCENT IN THE LOWER DESERT
LOCATIONS AND ABOVE 40 PERCENT IN THE MOUNTAINS THIS WEEK. WINDS
THIS WEEK WILL REMAIN MAINLY LIGHT AND UNDER 15 MPH, THOUGH
STRONG AND ERRATIC WINDS WILL BE POSSIBLE WITH ANY
THUNDERSTORM.
AZZ150-152215-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
243 AM MST WED JUL 15 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 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...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............30 TO 40 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........NORTHEAST 5 TO 10 MPH.
* MIXING HEIGHT............7466 FT AGL.
* TRANSPORT WINDS..........SOUTH 11 KNOTS SHIFTING TO THE NORTHWEST
7 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (52262 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............59 TO 69 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........NORTH AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........90 TO 100 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH IN THE MORNING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............7348 FT AGL.
* TRANSPORT WINDS..........SOUTH 9 KNOTS.
* VENTILATION CATEGORY.....GOOD (66132 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
70 TO 80. HIGHS 85 TO 95. LIGHT WINDS. MINIMUM HUMIDITY 45 TO
55 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 68 TO 78. HIGHS 87 TO 97. LIGHT WINDS.
MINIMUM HUMIDITY 37 TO 47 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 69 TO 79. HIGHS 89 TO 99. LIGHT WINDS.
MINIMUM HUMIDITY 32 TO 42 PCT.
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 70 TO 80. HIGHS 90 TO 100.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 70 TO 80. HIGHS 90 TO 100.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-152215-
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-
243 AM MST WED JUL 15 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........86 TO 96 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............35 TO 45 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............7415 FT AGL.
* TRANSPORT WINDS..........EAST 7 TO 8 KNOTS.
* VENTILATION CATEGORY.....GOOD (59320 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............72 TO 82 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........SOUTHEAST 5 TO 10 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT) THEN BECOMING
MOSTLY CLOUDY (70-80 PCT). CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........80 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........82 TO 92 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............47 TO 57 PCT.
24 HR TREND...........UP 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............7417 FT AGL.
* TRANSPORT WINDS..........SOUTH 7 TO 9 KNOTS.
* VENTILATION CATEGORY.....GOOD (66753 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 62 TO 72. HIGHS 79 TO 89. LIGHT WINDS. MINIMUM HUMIDITY
55 TO 65 PCT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 60 TO 70. HIGHS 80 TO 90. LIGHT WINDS.
MINIMUM HUMIDITY 49 TO 59 PCT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 62 TO 72. HIGHS 81 TO 91. LIGHT WINDS. MINIMUM HUMIDITY
43 TO 53 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 62 TO 72. HIGHS 81 TO 91.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 62 TO 72. HIGHS 83 TO 93.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-152215-
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-
243 AM MST WED JUL 15 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........87 TO 97 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............31 TO 41 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHEAST 5 TO 10 MPH.
* MIXING HEIGHT............8436 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 10 TO 11 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (92796 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............68 TO 78 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..NORTH AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTH AROUND 10 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........83 TO 93 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............43 TO 53 PCT.
24 HR TREND...........UP 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH 5 TO 10 MPH.
* MIXING HEIGHT............6473 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 9 TO 12 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (77676 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
SHOWERS AND THUNDERSTORMS LIKELY. LOWS 61 TO 71. HIGHS
82 TO 92. LIGHT WINDS. MINIMUM HUMIDITY 46 TO 56 PCT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 60 TO 70. HIGHS 81 TO 91. LIGHT WINDS.
MINIMUM HUMIDITY 45 TO 55 PCT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 60 TO 70. HIGHS 82 TO 92. LIGHT WINDS.
MINIMUM HUMIDITY 40 TO 50 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 61 TO 71. HIGHS 83 TO 93.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 61 TO 71. HIGHS 84 TO 94.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-152215-
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-
243 AM MST WED JUL 15 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SHOWERS AND
THUNDERSTORMS LIKELY.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........70 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............42 TO 52 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH 10 TO 15 MPH.
* MIXING HEIGHT............6755 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 9 TO 12 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (81060 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........60 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........57 TO 67 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............71 TO 81 PCT.
24 HR TREND...........UP 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHEAST AROUND 10
MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............49 TO 59 PCT.
24 HR TREND...........UP 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH 10 TO 15 MPH.
* MIXING HEIGHT............7099 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 9 TO 11 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (78089 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 73 TO 83. LIGHT WINDS.
MINIMUM HUMIDITY 46 TO 56 PCT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 65. HIGHS 74 TO 84. LIGHT WINDS. MINIMUM HUMIDITY
46 TO 56 PCT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 65. HIGHS 75 TO 85. LIGHT WINDS. MINIMUM HUMIDITY
45 TO 55 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 65. HIGHS 74 TO 84.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 56 TO 66. HIGHS 75 TO 85.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-152215-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
243 AM MST WED JUL 15 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........77 TO 87 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............42 TO 52 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............9939 FT AGL.
* TRANSPORT WINDS..........EAST 10 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (99390 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............67 TO 77 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHEAST 5 TO 10 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........80 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............55 TO 65 PCT.
24 HR TREND...........UP 25 TO 29 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH IN THE MORNING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTH 5 TO 10 MPH.
* MIXING HEIGHT............8257 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 7 TO 9 KNOTS.
* VENTILATION CATEGORY.....GOOD (66056 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
THUNDERSTORMS LIKELY AND CHANCE OF SHOWERS. LOWS 57 TO
67. HIGHS 70 TO 80. LIGHT WINDS. MINIMUM HUMIDITY 63 TO 73 PCT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 70 TO 80. LIGHT WINDS.
MINIMUM HUMIDITY 59 TO 69 PCT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 71 TO 81. LIGHT WINDS.
MINIMUM HUMIDITY 53 TO 63 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 57 TO 67. HIGHS 72 TO 82.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 57 TO 67. HIGHS 73 TO 83.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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