241
FNUS55 KTWC 170934
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
234 AM MST WED JUN 17 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
WINDS WILL REMAIN WEST/NORTHWEST THROUGH THIS WEEK WITH SPEEDS
OF 10-20 MPH AND GUSTS 25-30 MPH ACROSS MUCH OF THE AREA WITH
STRONGER SPEEDS OF 15-25 MPH AND GUSTS TO 35 MPH IN LOWER
ELEVATIONS OF GRAHAM COUNTY. MOISTURE LEVELS WILL REMAIN
SLIGHTLY ELEVATED THROUGH THURSDAY, WITH MINIMUM RELATIVE
HUMIDITY 15-30 PERCENT IN LOWER ELEVATIONS AND 30-40 PERCENT IN
THE MOUNTAINS. THIS WILL BRING BRING CHANCES (20-30 PERCENT) FOR
SHOWERS AND THUNDERSTORMS FROM TUCSON SOUTH AND EASTWARD, ALONG
WITH THE WHITE MOUNTAINS WEDNESDAY. PRECIPITATION CHANCES
REMAIN IN THE WHITE MOUNTAINS THURSDAY BUT OTHERWISE RETREAT TO
THE INT'L BORDER ONCE AGAIN. DRY CONDITIONS AREA-WIDE FRIDAY AND
BEYOND WITH MINIMUM RELATIVE HUMIDITY LOWERING THIS WEEKEND TO
5 TO 15 PERCENT IN THE VALLEYS AND 10 TO 20 PERCENT IN THE
MOUNTAINS. FOR WEDNESDAY AND THURSDAY ELEVATED TO NEAR CRITICAL
FIRE WEATHER CONDITIONS WILL BE POSSIBLE IN THE GILA RIVER
VALLEY AS WINDS INCREASE AND RH DROPS BELOW 15 PERCENT.
AZZ150-172215-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
234 AM MST WED JUN 17 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........96 TO 106 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............13522 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 13 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (189308 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........69 TO 79 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............50 TO 60 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........94 TO 104 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............13131 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (183834 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
JUNETEENTH
CLEAR. LOWS 66 TO 76. HIGHS 95 TO 105. SOUTH WIND
AROUND 15 MPH. MINIMUM HUMIDITY 8 TO 15 PCT.
SATURDAY
CLEAR. LOWS 64 TO 74. HIGHS 95 TO 105. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 10 PCT.
SUNDAY
CLEAR. LOWS 64 TO 74. HIGHS 95 TO 105. LIGHT WINDS.
MINIMUM HUMIDITY 5 TO 11 PCT.
MONDAY
CLEAR. LOWS 64 TO 74. HIGHS 97 TO 107.
TUESDAY
CLEAR. LOWS 68 TO 78. HIGHS 100 TO 110.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-172215-
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-
234 AM MST WED JUN 17 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........90 TO 100 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........UP 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 15 TO 20 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
* MIXING HEIGHT............11606 FT AGL.
* TRANSPORT WINDS..........WEST 15 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (208908 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........62 TO 72 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............63 TO 73 PCT.
24 HR TREND...........UP 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT) THEN BECOMING
PARTLY CLOUDY (20-30 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........88 TO 98 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............10753 FT AGL.
* TRANSPORT WINDS..........WEST 13 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (139789 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
JUNETEENTH
CLEAR. LOWS 61 TO 71. HIGHS 90 TO 100. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 11 TO 21 PCT.
SATURDAY
CLEAR. LOWS 60 TO 70. HIGHS 90 TO 100. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 6 TO 13 PCT.
SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS 90 TO 100. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 6 TO 11 PCT.
MONDAY
CLEAR. LOWS 59 TO 69. HIGHS 93 TO 103.
TUESDAY
CLEAR. LOWS 63 TO 73. HIGHS 95 TO 105.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-172215-
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-
234 AM MST WED JUN 17 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........91 TO 101 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........UP 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. WEST 15 TO 25 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............11364 FT AGL.
* TRANSPORT WINDS..........WEST 19 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (227280 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............58 TO 68 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 15 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........90 TO 100 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............14 TO 24 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............10057 FT AGL.
* TRANSPORT WINDS..........WEST 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (170969 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
JUNETEENTH
CLEAR. LOWS 62 TO 72. HIGHS 91 TO 101. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
SATURDAY
CLEAR. LOWS 61 TO 71. HIGHS 91 TO 101. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 14 PCT.
SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS 91 TO 101. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 5 TO 10 PCT.
MONDAY
CLEAR. LOWS 59 TO 69. HIGHS 94 TO 104.
TUESDAY
MOSTLY CLEAR. LOWS 62 TO 72. HIGHS 96 TO 106.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-172215-
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-
234 AM MST WED JUN 17 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........82 TO 92 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........UP 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............11444 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 18 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (217436 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............48 TO 58 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 25 TO 30 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........81 TO 91 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........DOWN 1 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............9469 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 17 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (170442 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
JUNETEENTH
MOSTLY CLEAR. LOWS 56 TO 66. HIGHS 82 TO 92. WEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 11 TO 19 PCT.
SATURDAY
CLEAR. LOWS 54 TO 64. HIGHS 82 TO 92. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 7 TO 12 PCT.
SUNDAY
CLEAR. LOWS 51 TO 61. HIGHS 82 TO 92. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 9 PCT.
MONDAY
CLEAR. LOWS 51 TO 61. HIGHS 85 TO 95.
TUESDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 87 TO 97.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-172215-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
234 AM MST WED JUN 17 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (20-30 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........80 TO 90 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............25 TO 35 PCT.
24 HR TREND...........UP 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............12518 FT AGL.
* TRANSPORT WINDS..........WEST 18 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (231583 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MAX HUMIDITY.............58 TO 68 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 20 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........79 TO 89 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............21 TO 31 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
* MIXING HEIGHT............11462 FT AGL.
* TRANSPORT WINDS..........WEST 15 TO 16 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (177661 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
JUNETEENTH
CLEAR. LOWS 58 TO 68. HIGHS 80 TO 90. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
SATURDAY
CLEAR. LOWS 57 TO 67. HIGHS 81 TO 91. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 7 TO 17 PCT.
SUNDAY
CLEAR. LOWS 55 TO 65. HIGHS 81 TO 91. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 7 TO 13 PCT.
MONDAY
CLEAR. LOWS 56 TO 66. HIGHS 83 TO 93.
TUESDAY
MOSTLY CLEAR. LOWS 59 TO 69. HIGHS 86 TO 96.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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