Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
197
FNUS55 KTWC 042034
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
134 PM MST Fri Sep 4 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Expect daily isolated to scattered thunderstorms
each afternoon and evening into early next week. There will be
some variation in coverage day to day, but expect the bulk of the
activity from central Pima County eastward. Heavy rainfall leading
to flash flooding will be the main threat. Temperatures will be
around normal to a few degrees below normal into early next week.
Minimum relative humidity values mainly 20 to 45 percent in the
valleys and 30 to 60 percent in the mountains over the next week.
Winds will generally remain less than 15 mph and terrain driven
through the week.
AZZ150-051415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
134 PM MST Fri Sep 4 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........69 to 79 degs.
24 hr Trend...........Up 3 to 6 degs.
* Max Humidity.............56 to 66 pct.
24 hr Trend...........Down 15 to 19 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
.SATURDAY...
* 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...........Little change.
* Min Humidity.............28 to 38 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............8040 ft AGL.
* Transport winds..........South 8 knots shifting to the southwest
in the afternoon.
* Ventilation Category.....Good (64320 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............50 to 60 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........Southwest 5 to 10 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........93 to 103 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Down 2 to 5 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............8883 ft AGL.
* Transport winds..........West 5 to 9 knots.
* Ventilation Category.....Very good (79947 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 73 to 83. Highs 95 to 105. Light winds.
Minimum Humidity 22 to 32 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 74 to 84. Highs 95 to 105. Light winds.
Minimum Humidity 22 to 32 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 73 to 83. Highs 92 to 102. Light winds. Minimum Humidity
28 to 38 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 71 to 81. Highs 88 to 98.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 69 to 79. Highs 86 to 96.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-051415-
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-
134 PM MST Fri Sep 4 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Little change.
* Max Humidity.............73 to 83 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West around 5 mph shifting to the
southeast after midnight.
.SATURDAY...
* 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..........84 to 94 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Down 1 to 4 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............7248 ft AGL.
* Transport winds..........North 5 knots shifting to the west in
the afternoon.
* Ventilation Category.....Very good (72480 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Partly cloudy (25-35 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.............64 to 74 pct.
24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........North around 5 mph shifting to the
southeast after midnight.
.SUNDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............7893 ft AGL.
* Transport winds..........Northwest 6 to 10 knots.
* Ventilation Category.....Very good (78930 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.LABOR DAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows 64 to 74. Highs 87 to 97. Light winds.
Minimum Humidity 30 to 40 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 88 to 98. Light winds. Minimum Humidity
30 to 40 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 85 to 95. Light winds. Minimum Humidity
35 to 45 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 82 to 92.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 81 to 91.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-051415-
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-
134 PM MST Fri Sep 4 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Little change.
* Max Humidity.............70 to 80 pct.
24 hr Trend...........Down 17 to 21 pct.
* Wind (20 ft/10-min avg)..West around 15 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 15 to 19 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 15
mph in the afternoon.
* 10000 ft MSL Wind........South around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............5830 ft AGL.
* Transport winds..........Northwest 6 to 12 knots.
* Ventilation Category.....Good (69960 knot-ft).
.SATURDAY NIGHT...
* 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..........63 to 73 degs.
24 hr Trend...........Little change.
* Max Humidity.............58 to 68 pct.
24 hr Trend...........Down 25 to 29 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........North around 5 mph shifting to the east
after midnight.
.SUNDAY...
* Sky/Weather..............Partly cloudy (25-35 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 2 to 5 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............7633 ft AGL.
* Transport winds..........West 6 to 11 knots.
* Ventilation Category.....Very good (83963 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.LABOR DAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows 65 to 75. Highs 88 to 98. Northwest wind
around 15 mph. Minimum Humidity 26 to 36 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 88 to 98. Light winds. Minimum Humidity
26 to 36 pct.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 86 to 96. East wind around 15 mph. Minimum
Humidity 29 to 39 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 84 to 94.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 83 to 93.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-051415-
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-
134 PM MST Fri Sep 4 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........53 to 63 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............68 to 78 pct.
24 hr Trend...........Down 35 to 39 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph in the evening
becoming light.
.SATURDAY...
* 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..........78 to 88 degs.
24 hr Trend...........Up 5 to 9 degs.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..North around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........South around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............7878 ft AGL.
* Transport winds..........North 7 knots shifting to the west 11
knots in the afternoon.
* Ventilation Category.....Very good (86658 knot-ft).
.SATURDAY NIGHT...
* 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..........56 to 66 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............56 to 66 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........North around 5 mph shifting to the
southeast after midnight.
.SUNDAY...
* 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..........79 to 89 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............26 to 36 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........South 5 to 10 mph.
* Mixing height............8949 ft AGL.
* Transport winds..........Northeast 7 knots shifting to the
southwest 11 knots in the afternoon.
* Ventilation Category.....Very good (98439 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.LABOR DAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows 59 to 69. Highs 78 to 88. Light winds.
Minimum Humidity 31 to 41 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 78 to 88. Light winds. Minimum Humidity
31 to 41 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 77 to 87. Light winds. Minimum Humidity
34 to 44 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 74 to 84.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 73 to 83.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-051415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
134 PM MST Fri Sep 4 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Down 30 to 34 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the east
after midnight.
.SATURDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........74 to 84 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..North around 10 mph.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............7648 ft AGL.
* Transport winds..........North 6 knots shifting to the northwest
9 knots in the afternoon.
* Ventilation Category.....Good (68832 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Partly cloudy (25-35 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 to 4 degs.
* Max Humidity.............59 to 69 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........North around 5 mph shifting to the east
after midnight.
.SUNDAY...
* 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..........77 to 87 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............34 to 44 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............9810 ft AGL.
* Transport winds..........Northwest 6 knots shifting to the west 9
knots in the afternoon.
* Ventilation Category.....Very good (88290 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.LABOR DAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows 59 to 69. Highs 77 to 87. Light winds.
Minimum Humidity 37 to 47 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 77 to 87. Light winds. Minimum Humidity
37 to 47 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 75 to 85. Light winds. Minimum Humidity
41 to 51 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 73 to 83.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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