Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
790
FNUS55 KTWC 172132
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
232 PM MST Fri Jul 17 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Daily chances for thunderstorms will continue
each afternoon and evening through the next 7 days with day to
day variability. 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.
AZZ150-181300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
232 PM MST Fri Jul 17 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 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 deg.
* Max Humidity.............59 to 69 pct.
24 hr Trend...........Down 22 to 26 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........South 15 to 20 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............8223 ft AGL.
* Transport winds..........Southwest 9 to 10 knots.
* Ventilation Category.....Very good (82230 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........South 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............8184 ft AGL.
* Transport winds..........Southwest 9 to 10 knots.
* Ventilation Category.....Very good (81840 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 71 to 81. Highs 91 to 101. Light winds.
Minimum Humidity 29 to 39 pct.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 71 to 81. Highs 90 to 100. Light winds.
Minimum Humidity 32 to 42 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 71 to 81. Highs 93 to 103. Light winds.
Minimum Humidity 27 to 37 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 73 to 83. Highs 96 to 106.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 73 to 83. Highs 96 to 106.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-181300-
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-
232 PM MST Fri Jul 17 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............7752 ft AGL.
* Transport winds..........West 6 to 9 knots.
* Ventilation Category.....Good (69768 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct) then becoming
partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........63 to 73 degs.
24 hr Trend...........Little change.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Down 28 to 32 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........83 to 93 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............36 to 46 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............7196 ft AGL.
* Transport winds..........West 7 to 9 knots.
* Ventilation Category.....Good (64764 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 82 to 92. Light winds.
Minimum Humidity 39 to 49 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 82 to 92. Light winds. Minimum Humidity
41 to 51 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity
33 to 43 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 89 to 99.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. 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)
$$
AZZ152-181300-
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-
232 PM MST Fri Jul 17 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............75 to 85 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........83 to 93 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............5629 ft AGL.
* Transport winds..........West 10 to 12 knots.
* Ventilation Category.....Good (67548 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Little change.
* Max Humidity.............73 to 83 pct.
24 hr Trend...........Down 30 to 34 pct.
* Wind (20 ft/10-min avg)..West around 15 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............38 to 48 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............6464 ft AGL.
* Transport winds..........West 8 to 9 knots.
* Ventilation Category.....Good (58176 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 61 to 71. Highs 83 to 93. Light winds.
Minimum Humidity 39 to 49 pct.
.TUESDAY...Showers and thunderstorms likely. Lows 61 to 71. Highs
83 to 93. Light winds. Minimum Humidity 39 to 49 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 87 to 97. Light winds.
Minimum Humidity 30 to 40 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 89 to 99.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. 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)
$$
AZZ153-181300-
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-
232 PM MST Fri Jul 17 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........55 to 65 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Down 15 to 19 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (30-40 pct) then becoming
mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........75 to 85 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............42 to 52 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............6146 ft AGL.
* Transport winds..........West 10 to 12 knots.
* Ventilation Category.....Very good (73752 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........55 to 65 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............73 to 83 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (80-90 pct). Showers and
slight chance of thunderstorms.
* Chance of Precip.........80 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........75 to 85 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............42 to 52 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............6135 ft AGL.
* Transport winds..........Northwest 8 knots shifting to the
southwest 9 knots in the afternoon.
* Ventilation Category.....Good (55215 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Thunderstorms with showers likely. Lows 55 to 65. Highs
74 to 84. Light winds. Minimum Humidity 45 to 55 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 75 to 85. Light winds. Minimum Humidity
43 to 53 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 77 to 87. Light winds. Minimum Humidity
34 to 44 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 79 to 89.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 81 to 91.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-181300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
232 PM MST Fri Jul 17 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Down 14 to 18 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (55-65 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........72 to 82 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............55 to 65 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............7279 ft AGL.
* Transport winds..........West 8 to 10 knots.
* Ventilation Category.....Good (65511 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (30-40 pct) then becoming
mostly cloudy (55-65 pct). Chance of
thunderstorms and slight chance of
showers.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........73 to 83 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............53 to 63 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............8140 ft AGL.
* Transport winds..........West 8 to 9 knots.
* Ventilation Category.....Good (69190 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 57 to 67. Highs 72 to 82. Light winds.
Minimum Humidity 49 to 59 pct.
.TUESDAY...Thunderstorms likely and chance of showers. Lows 57 to
67. Highs 72 to 82. Light winds. Minimum Humidity 51 to 61 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 76 to 86. Light winds. Minimum Humidity
40 to 50 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 79 to 89.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. 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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