Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
707
FNUS55 KTWC 032128
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
228 PM MST Wed Sep 3 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Driest minimum relative humidities today will be
in the Gila River Valley with 15-18 percent values this
afternoon. Otherwise humidities generally above 20-30 percent
across southeastern Arizona. Winds today will be light and terrain
driven. Scattered thunderstorms with chances for wetting rain
possible for Santa Cruz, Pima, and Pinal counties, as well as the
White Mountains. Moisture will increase further over the coming
days bringing daily widespread chances for showers and
thunderstorms through Saturday.
AZZ150-041300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
228 PM MST Wed Sep 3 2025
.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..........69 to 79 degs.
24 hr Trend...........Little change.
* Max Humidity.............69 to 79 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........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........83 to 93 degs.
24 hr Trend...........Down 6 to 10 degs.
* Min Humidity.............46 to 56 pct.
24 hr Trend...........Up 16 to 20 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............5616 ft AGL.
* Transport winds..........South 11 to 14 knots.
* Ventilation Category.....Very good (78624 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........65 to 75 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
.FRIDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........78 to 88 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............58 to 68 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............2573 ft AGL.
* Transport winds..........East 15 to 17 knots.
* Ventilation Category.....Good (43741 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 65 to 75. Highs 83 to 93. Light winds.
Minimum Humidity 44 to 54 pct.
.SUNDAY...Mostly clear. Lows 67 to 77. Highs 87 to 97. Light
winds. Minimum Humidity 32 to 42 pct.
.MONDAY...Clear. Lows 68 to 78. Highs 91 to 101. Light winds.
Minimum Humidity 21 to 31 pct.
.TUESDAY...Clear. Lows 68 to 78. Highs 93 to 103.
.WEDNESDAY...Clear. Lows 68 to 78. Highs 92 to 102.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-041300-
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-
228 PM MST Wed Sep 3 2025
.TONIGHT...
* 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...........Down 1 deg.
* Max Humidity.............71 to 81 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Down 8 to 12 degs.
* Min Humidity.............47 to 57 pct.
24 hr Trend...........Up 24 to 28 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............4122 ft AGL.
* Transport winds..........South 8 to 14 knots.
* Ventilation Category.....Good (57708 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Mostly cloudy (80-90 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Down 3 to 6 degs.
* Max Humidity.............82 to 92 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly cloudy (75-85 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........71 to 81 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............62 to 72 pct.
24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........East around 15 mph increasing to
southeast around 25 mph in the
afternoon.
* Mixing height............2492 ft AGL.
* Transport winds..........East 13 to 17 knots.
* Ventilation Category.....Good (42364 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 76 to 86. Light winds. Minimum Humidity
52 to 62 pct.
.SUNDAY...Mostly clear. Lows 59 to 69. Highs 82 to 92. Light
winds. Minimum Humidity 37 to 47 pct.
.MONDAY...Mostly clear. Lows 60 to 70. Highs 85 to 95. Light
winds. Minimum Humidity 25 to 35 pct.
.TUESDAY...Mostly clear. Lows 61 to 71. Highs 87 to 97.
.WEDNESDAY...Mostly clear. Lows 61 to 71. Highs 87 to 97.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-041300-
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-
228 PM MST Wed Sep 3 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........62 to 72 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)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Down 6 to 10 degs.
* Min Humidity.............37 to 47 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............4564 ft AGL.
* Transport winds..........Southwest 9 to 16 knots.
* Ventilation Category.....Very good (73024 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Mostly cloudy (80-90 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Up 21 to 25 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly cloudy (75-85 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........71 to 81 degs.
24 hr Trend...........Down 6 to 10 degs.
* Min Humidity.............56 to 66 pct.
24 hr Trend...........Up 19 to 23 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............2652 ft AGL.
* Transport winds..........East 11 to 13 knots.
* Ventilation Category.....Fair (34476 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 58 to 68. Highs 77 to 87. Light winds.
Minimum Humidity 46 to 56 pct.
.SUNDAY...Mostly clear. Lows 58 to 68. Highs 82 to 92. Light
winds. Minimum Humidity 32 to 42 pct.
.MONDAY...Mostly clear. Lows 60 to 70. Highs 85 to 95. Light
winds. Minimum Humidity 22 to 32 pct.
.TUESDAY...Mostly clear. Lows 61 to 71. Highs 87 to 97.
.WEDNESDAY...Mostly clear. Lows 61 to 71. Highs 87 to 97.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-041300-
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-
228 PM MST Wed Sep 3 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
north after midnight.
* 10000 ft MSL Wind........South 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........74 to 84 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............9659 ft AGL.
* Transport winds..........East 8 knots shifting to the south in
the afternoon.
* Ventilation Category.....Excellent (125567 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Mostly cloudy (80-90 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........50 to 60 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Up 23 to 27 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........65 to 75 degs.
24 hr Trend...........Down 7 to 11 degs.
* Min Humidity.............56 to 66 pct.
24 hr Trend...........Up 30 to 34 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............3528 ft AGL.
* Transport winds..........Southeast 11 to 12 knots.
* Ventilation Category.....Good (42336 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 50 to 60. Highs 68 to 78. Light winds.
Minimum Humidity 51 to 61 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 60. Highs 73 to 83. Light winds.
Minimum Humidity 36 to 46 pct.
.MONDAY...Mostly clear. Lows 52 to 62. Highs 75 to 85. Light
winds. Minimum Humidity 24 to 34 pct.
.TUESDAY...Mostly clear. Lows 52 to 62. Highs 76 to 86.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 53 to 63. Highs 76 to 86.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-041300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
228 PM MST Wed Sep 3 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Little change.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (75-85 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........67 to 77 degs.
24 hr Trend...........Down 7 to 11 degs.
* Min Humidity.............49 to 59 pct.
24 hr Trend...........Up 25 to 29 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............6584 ft AGL.
* Transport winds..........South 8 to 15 knots.
* Ventilation Category.....Very good (75716 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Cloudy (85-95 pct). Chance of showers
and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........52 to 62 degs.
24 hr Trend...........Down 3 to 7 degs.
* Max Humidity.............83 to 93 pct.
24 hr Trend...........Up 18 to 22 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly cloudy (80-90 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........60 to 70 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............72 to 82 pct.
24 hr Trend...........Up 22 to 26 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East around 15 mph increasing to
southeast around 25 mph in the
afternoon.
* Mixing height............3075 ft AGL.
* Transport winds..........East 12 to 14 knots.
* Ventilation Category.....Fair (39975 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Showers likely and chance of thunderstorms. Lows
52 to 62. Highs 66 to 76. Light winds. Minimum Humidity 63 to
73 pct.
.SUNDAY...Mostly clear. Lows 53 to 63. Highs 72 to 82. Light
winds. Minimum Humidity 44 to 54 pct.
.MONDAY...Mostly clear. Lows 55 to 65. Highs 75 to 85. Light
winds. Minimum Humidity 29 to 39 pct.
.TUESDAY...Mostly clear. Lows 56 to 66. Highs 77 to 87.
.WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 77 to 87.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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