Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
168
FNUS55 KTWC 052040
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
140 PM MST Fri Sep 5 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...
Minimum relative humidities well above 30 percent through the
weekend. Scattered showers and thunderstorm chances each day
through Saturday, with drier conditions Sunday onwards. Surface
winds mainly light through the forecast period, except gusty and
erratic in or near any thunderstorms. High temperatures will be
below normal through the weekend then warming back to near to
slightly above normal next week
AZZ150-061430-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
140 PM MST Fri Sep 5 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............78 to 88 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Little change.
* Min Humidity.............42 to 52 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............6509 ft AGL.
* Transport winds..........South 8 to 10 knots.
* Ventilation Category.....Good (65090 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........68 to 78 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............78 to 88 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.SUNDAY...
* Sky/Weather..............Mostly sunny (20-30 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........88 to 98 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............8552 ft AGL.
* Transport winds..........Southeast 7 knots shifting to the west 6
knots in the afternoon.
* Ventilation Category.....Good (51312 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 70 to 80. Highs 92 to 102. Light
winds. Minimum Humidity 23 to 33 pct.
.TUESDAY...Mostly clear. Lows 70 to 80. Highs 94 to 104. Light
winds. Minimum Humidity 18 to 28 pct.
.WEDNESDAY...Mostly clear. Lows 69 to 79. Highs 92 to 102. South
wind around 15 mph. Minimum Humidity 18 to 28 pct.
.THURSDAY...Mostly clear. Lows 66 to 76. Highs 91 to 101.
.FRIDAY...Mostly clear. Lows 65 to 75. 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)
$$
AZZ151-061430-
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-
140 PM MST Fri Sep 5 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........59 to 69 degs.
24 hr Trend...........Little change.
* Max Humidity.............83 to 93 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (55-65 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............45 to 55 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
south in the afternoon.
* Mixing height............5171 ft AGL.
* Transport winds..........Southeast 7 knots shifting to the
southwest 8 knots in the afternoon.
* Ventilation Category.....Good (41368 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Little change.
* Max Humidity.............81 to 91 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........North around 5 mph shifting to the east
after midnight.
.SUNDAY...
* Sky/Weather..............Mostly sunny (20-30 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........83 to 93 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............36 to 46 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............7716 ft AGL.
* Transport winds..........North 5 knots shifting to the northwest
7 knots in the afternoon.
* Ventilation Category.....Good (54012 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 62 to 72. Highs 87 to 97. Light
winds. Minimum Humidity 26 to 36 pct.
.TUESDAY...Mostly clear. Lows 63 to 73. Highs 88 to 98. Light
winds. Minimum Humidity 21 to 31 pct.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 87 to 97. South wind around
15 mph. Minimum Humidity 22 to 32 pct.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 86 to 96.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 85 to 95.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-061430-
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-
140 PM MST Fri Sep 5 2025
.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..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............79 to 89 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........North 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............40 to 50 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........East around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............5057 ft AGL.
* Transport winds..........Southwest 6 to 8 knots.
* Ventilation Category.....Good (40456 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (25-35 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........59 to 69 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
northeast after midnight.
.SUNDAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............28 to 38 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........South around 5 mph shifting to the west
in the afternoon.
* Mixing height............7581 ft AGL.
* Transport winds..........Northwest 6 to 8 knots.
* Ventilation Category.....Good (60648 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 61 to 71. Highs 87 to 97. Light
winds. Minimum Humidity 22 to 32 pct.
.TUESDAY...Mostly clear. Lows 62 to 72. Highs 88 to 98. Light
winds. Minimum Humidity 20 to 30 pct.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 87 to 97. South wind around
15 mph. Minimum Humidity 20 to 30 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 86 to 96.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 86 to 96.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-061430-
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-
140 PM MST Fri Sep 5 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........50 to 60 degs.
24 hr Trend...........Little change.
* Max Humidity.............82 to 92 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (65-75 pct). Showers and
thunderstorms likely.
* Chance of Precip.........70 pct.
* Chance of Thunder........70 pct.
* Max Temperature..........70 to 80 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............49 to 59 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............6194 ft AGL.
* Transport winds..........West 6 to 10 knots.
* Ventilation Category.....Good (61940 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
mostly clear (20-30 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........51 to 61 degs.
24 hr Trend...........Little change.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Down 4 to 8 pct.
* 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..............Mostly sunny (10-20 pct) then becoming
partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........75 to 85 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............9292 ft AGL.
* Transport winds..........North 7 knots shifting to the west 8
knots in the afternoon.
* Ventilation Category.....Very good (74336 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 53 to 63. Highs 77 to 87. Light
winds. Minimum Humidity 22 to 32 pct.
.TUESDAY...Mostly clear. Lows 54 to 64. Highs 77 to 87. Light
winds. Minimum Humidity 21 to 31 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 54 to 64. Highs 76 to 86. Southeast wind
around 15 mph. Minimum Humidity 25 to 35 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 53 to 63. Highs 75 to 85.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 52 to 62. Highs 74 to 84.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-061430-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
140 PM MST Fri Sep 5 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........53 to 63 degs.
24 hr Trend...........Little change.
* Max Humidity.............84 to 94 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........68 to 78 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............56 to 66 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........East around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............5085 ft AGL.
* Transport winds..........Southwest 6 to 8 knots.
* Ventilation Category.....Fair (35595 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (25-35 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............81 to 91 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
east after midnight.
.SUNDAY...
* Sky/Weather..............Partly cloudy (20-30 pct) then becoming
mostly sunny (20-30 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........73 to 83 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............43 to 53 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............8246 ft AGL.
* Transport winds..........Northwest 6 to 7 knots.
* Ventilation Category.....Good (53599 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 56 to 66. Highs 76 to 86. Light
winds. Minimum Humidity 31 to 41 pct.
.TUESDAY...Mostly clear. Lows 58 to 68. Highs 78 to 88. Light
winds. Minimum Humidity 25 to 35 pct.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 56 to 66. Highs 77 to 87. South wind around
15 mph. Minimum Humidity 27 to 37 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 56 to 66. Highs 76 to 86.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 75 to 85.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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