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

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542
FNUS55 KTWC 312005
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
105 PM 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.

AZZ150-011415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
105 PM MST Thu Jul 31 2025

.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..........74 to 84 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............40 to 50 pct.
     24 hr Trend...........Down 1 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 (5-15 pct) then becoming
                           partly cloudy (25-35 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.............12 to 22 pct.
     24 hr Trend...........Down 4 to 8 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............12992 ft AGL.
* Transport winds..........Southeast 8 knots shifting to the
                           southwest 11 knots in the afternoon.
* Ventilation Category.....Excellent (142912 knot-ft).

.FRIDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........74 to 84 degs.
     24 hr Trend...........Little change.
* Max Humidity.............24 to 34 pct.
     24 hr Trend...........Down 14 to 18 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
                           after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.

.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........103 to 113 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............9 to 19 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........Southwest 10 to 15 mph.
* Mixing height............13149 ft AGL.
* Transport winds..........South 8 knots shifting to the southwest
                           11 knots in the afternoon.
* Ventilation Category.....Excellent (144639 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 72 to 82. Highs 101 to 111. Light
winds. Minimum Humidity 7 to 17 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 74 to 84. Highs 101 to 111. Light winds. Minimum Humidity
12 to 21 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 104 to 114.
.THURSDAY...Partly cloudy. Lows 76 to 86. Highs 104 to 114.

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

$$

AZZ151-011415-
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-
105 PM MST Thu Jul 31 2025

.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..........67 to 77 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............54 to 64 pct.
     24 hr Trend...........Down 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
                           northeast after midnight.

.FRIDAY...
* Sky/Weather..............Mostly sunny (5-15 pct) then becoming
                           partly cloudy (25-35 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........94 to 104 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............16 to 26 pct.
     24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
                           mph in the afternoon.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
                           southwest in the afternoon.
* Mixing height............12727 ft AGL.
* Transport winds..........East 7 knots shifting to the west in the
                           afternoon.
* Ventilation Category.....Very good (89089 knot-ft).

.FRIDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........68 to 78 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............42 to 52 pct.
     24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
                           south after midnight.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           east after midnight.

.SATURDAY...
* 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..........95 to 105 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............12 to 22 pct.
     24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southeast around 5 mph shifting to the
                           south in the afternoon.
* Mixing height............13621 ft AGL.
* Transport winds..........Northeast 6 knots shifting to the west 9
                           knots in the afternoon.
* Ventilation Category.....Excellent (122589 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 66 to 76. Highs 95 to 105. West wind
around 15 mph. Minimum Humidity 7 to 16 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 96 to 106. Light winds. Minimum Humidity
13 to 23 pct.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 69 to 79. Highs 97 to 107.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 98 to 108.

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

$$

AZZ152-011415-
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-
105 PM MST Thu Jul 31 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 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..........66 to 76 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............58 to 68 pct.
     24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the east
                           after midnight.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           north after midnight.

.FRIDAY...
* 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..........92 to 102 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............17 to 27 pct.
     24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East around 5 mph shifting to the south
                           in the afternoon.
* Mixing height............9174 ft AGL.
* Transport winds..........Southeast 8 knots.
* Ventilation Category.....Very good (73392 knot-ft).

.FRIDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........67 to 77 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............47 to 57 pct.
     24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........South 5 to 10 mph.

.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........94 to 104 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............14 to 24 pct.
     24 hr Trend...........Down 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 5 to 10 mph.
* Mixing height............9916 ft AGL.
* Transport winds..........East 5 knots shifting to the southwest 9
                           knots in the afternoon.
* Ventilation Category.....Very good (89244 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 66 to 76. Highs 95 to 105. Northwest
wind around 15 mph. Minimum Humidity 6 to 16 pct.
.MONDAY...Mostly clear. Lows 65 to 75. Highs 95 to 105. Light
winds. Minimum Humidity 8 to 18 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 96 to 106. Light winds.
Minimum Humidity 9 to 19 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 97 to 107.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 97 to 107.

NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)

$$

AZZ153-011415-
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-
105 PM MST Thu Jul 31 2025

.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..........57 to 67 degs.
     24 hr Trend...........Little change.
* Max Humidity.............62 to 72 pct.
     24 hr Trend...........Up 1 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 (15-25 pct) then becoming
                           partly cloudy (40-50 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........80 to 90 degs.
     24 hr Trend...........Little change.
* Min Humidity.............26 to 36 pct.
     24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........East around 5 mph shifting to the south
                           in the afternoon.
* Mixing height............9184 ft AGL.
* Transport winds..........East 7 knots shifting to the southwest 8
                           knots in the afternoon.
* Ventilation Category.....Very good (73472 knot-ft).

.FRIDAY NIGHT...
* 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..........59 to 69 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............52 to 62 pct.
     24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northeast around 10
                           mph after midnight.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.

.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (25-35 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........84 to 94 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............17 to 27 pct.
     24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
                           mph in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............11683 ft AGL.
* Transport winds..........East 6 knots shifting to the southwest
                           10 knots in the afternoon.
* Ventilation Category.....Excellent (116830 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 58 to 68. Highs 85 to 95. Northwest
wind around 15 mph. Minimum Humidity 8 to 12 pct.
.MONDAY...Mostly clear. Lows 57 to 67. Highs 85 to 95. Light
winds. Minimum Humidity 9 to 16 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 86 to 96. Light winds.
Minimum Humidity 10 to 18 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 87 to 97.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 87 to 97.

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

$$

AZZ154-011415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
105 PM MST Thu Jul 31 2025

.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..........61 to 71 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............54 to 64 pct.
     24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
                           northeast after midnight.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           northeast after midnight.

.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
                           partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........82 to 92 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............28 to 38 pct.
     24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East around 5 mph shifting to the south
                           in the afternoon.
* Mixing height............10366 ft AGL.
* Transport winds..........East 7 to 8 knots.
* Ventilation Category.....Very good (77745 knot-ft).

.FRIDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........63 to 73 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............44 to 54 pct.
     24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           east after midnight.

.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (25-35 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 1 to 4 degs.
* Min Humidity.............24 to 34 pct.
     24 hr Trend...........Down 4 to 8 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............11916 ft AGL.
* Transport winds..........Northeast 6 knots shifting to the west 7
                           knots in the afternoon.
* Ventilation Category.....Very good (83412 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.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 84 to 94. Light winds.
Minimum Humidity 13 to 23 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 86 to 96. Light winds. Minimum Humidity
14 to 24 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 87 to 97.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 87 to 97.

NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE

$$


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