Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ

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474
FNUS55 KTWC 311011
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
311 AM MST Thu Jul 31 2025

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
    TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

.DISCUSSION...

Minimum relative humidities mainly above 20 percent today across
southeastern Arizona. Scattered thunderstorms are expected this
afternoon and evening. Overall winds are expected to remain under
15 mph with occasional afternoon gustiness, however strong erratic
winds are possible with any thunderstorm. A drying trend is
expected through the weekend with high temperatures bumping up.

AZZ150-312215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
311 AM MST Thu Jul 31 2025

.TODAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
                           partly cloudy (30-40 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........99 to 109 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............18 to 28 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........South 10 to 15 mph.
* Mixing height............11442 ft AGL.
* Transport winds..........South 10 knots.
* Ventilation Category.....Excellent (114420 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........74 to 84 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............43 to 53 pct.
     24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
                           southeast after midnight.
* 10000 ft MSL Wind........South 10 to 15 mph.

.FRIDAY...
* Sky/Weather..............Mostly sunny (0-10 pct) then becoming
                           partly cloudy (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........101 to 111 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............13 to 23 pct.
     24 hr Trend...........Down 2 to 5 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............13027 ft AGL.
* Transport winds..........Southeast 8 knots shifting to the
                           southwest 9 knots in the afternoon.
* Ventilation Category.....Excellent (117243 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly clear. Lows 74 to 84. Highs 103 to 113. Light
winds. Minimum Humidity 8 to 16 pct.
.SUNDAY...Mostly clear. Lows 72 to 82. Highs 101 to 111. Light
winds. Minimum Humidity 9 to 19 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 72 to 82. Highs 100 to 110. Light winds.
Minimum Humidity 12 to 22 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 73 to 83. Highs 101 to 111.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 103 to 113.

NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)

$$

AZZ151-312215-
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-
311 AM MST Thu Jul 31 2025

.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
                           partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........92 to 102 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............21 to 31 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
                           southwest in the afternoon.
* Mixing height............11627 ft AGL.
* Transport winds..........Southeast 6 knots shifting to the
                           southwest 9 knots in the afternoon.
* Ventilation Category.....Excellent (104643 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........66 to 76 degs.
     24 hr Trend...........Little change.
* Max Humidity.............58 to 68 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
                           southeast after midnight.
* 10000 ft MSL Wind........West around 10 mph shifting to the north
                           after midnight.

.FRIDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........93 to 103 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............17 to 27 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming north around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........East around 5 mph shifting to the
                           northwest in the afternoon.
* Mixing height............12287 ft AGL.
* Transport winds..........East 7 knots.
* Ventilation Category.....Very good (86009 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 95 to 105. Light winds.
Minimum Humidity 12 to 22 pct.
.SUNDAY...Mostly clear. Lows 66 to 76. Highs 95 to 105. West wind
around 15 mph. Minimum Humidity 8 to 18 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 95 to 105. Light winds.
Minimum Humidity 12 to 22 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 95 to 105.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 97 to 107.

NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)

$$

AZZ152-312215-
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-
311 AM MST Thu Jul 31 2025

.TODAY...
* Sky/Weather..............Partly cloudy (25-35 pct) then becoming
                           mostly cloudy (50-60 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........90 to 100 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............22 to 32 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East around 5 mph shifting to the
                           southwest in the afternoon.
* Mixing height............7371 ft AGL.
* Transport winds..........East 10 knots shifting to the south 9
                           knots in the afternoon.
* Ventilation Category.....Good (66339 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
                           partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........65 to 75 degs.
     24 hr Trend...........Down 1 deg.
* Max Humidity.............60 to 70 pct.
     24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the north
                           after midnight.

.FRIDAY...
* 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..........92 to 102 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............18 to 28 pct.
     24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............9253 ft AGL.
* Transport winds..........East 8 to 9 knots.
* Ventilation Category.....Very good (83277 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly clear. Lows 67 to 77. Highs 94 to 104. Light
winds. Minimum Humidity 12 to 22 pct.
.SUNDAY...Mostly clear. Lows 66 to 76. Highs 95 to 105. West wind
around 15 mph. Minimum Humidity 6 to 16 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 95 to 105. West wind around
15 mph. Minimum Humidity 9 to 19 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 96 to 106.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. 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)

$$

AZZ153-312215-
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-
311 AM MST Thu Jul 31 2025

.TODAY...
* Sky/Weather..............Partly cloudy (25-35 pct) then becoming
                           mostly cloudy (60-70 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........80 to 90 degs.
     24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............30 to 40 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............9606 ft AGL.
* Transport winds..........Southeast 8 to 9 knots.
* Ventilation Category.....Very good (86454 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........56 to 66 degs.
     24 hr Trend...........Down 1 deg.
* Max Humidity.............60 to 70 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph.
* 10000 ft MSL Wind........West 5 to 10 mph.

.FRIDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
                           partly cloudy (45-55 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........81 to 91 degs.
     24 hr Trend...........Little change.
* Min Humidity.............25 to 35 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
                           in the afternoon.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
                           south in the afternoon.
* Mixing height............10542 ft AGL.
* Transport winds..........East 8 knots shifting to the south in
                           the afternoon.
* Ventilation Category.....Very good (84336 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Lows 59 to 69. Highs 83 to 93. Light
winds. Minimum Humidity 17 to 27 pct.
.SUNDAY...Mostly clear. Lows 58 to 68. Highs 85 to 95. Light
winds. Minimum Humidity 9 to 14 pct.
.MONDAY...Mostly clear. Lows 57 to 67. Highs 85 to 95. Light
winds. Minimum Humidity 9 to 17 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 86 to 96.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 86 to 96.

NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)

$$

AZZ154-312215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
311 AM MST Thu Jul 31 2025

.TODAY...
* Sky/Weather..............Partly cloudy (20-30 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..........80 to 90 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............34 to 44 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........South around 5 mph shifting to the
                           southwest in the afternoon.
* Mixing height............9448 ft AGL.
* Transport winds..........East 7 knots shifting to the southwest 8
                           knots in the afternoon.
* Ventilation Category.....Very good (75584 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct) then becoming
                           partly cloudy (25-35 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........61 to 71 degs.
     24 hr Trend...........Little change.
* Max Humidity.............57 to 67 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........West around 10 mph shifting to the north
                           after midnight.

.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
                           partly cloudy (40-50 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 deg.
* Min Humidity.............30 to 40 pct.
     24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............9992 ft AGL.
* Transport winds..........East 8 to 9 knots.
* Ventilation Category.....Very good (84932 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 83 to 93. Light winds.
Minimum Humidity 21 to 31 pct.
.SUNDAY...Mostly clear. Lows 62 to 72. Highs 84 to 94. West wind
around 15 mph. Minimum Humidity 10 to 20 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 85 to 95. Light winds.
Minimum Humidity 13 to 23 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 85 to 95.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. 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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