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

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959
FNUS55 KTWC 212008
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
108 PM MST Mon Jul 21 2025

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

.DISCUSSION...Below normal high temperatures through Tuesday
then heating up into next weekend. Typical monsoon activity
continues through Tuesday, then more pronounced drying and warming
Wednesday into the weekend. Afternoon winds will remain
southwesterly to westerly at 10-15 mph, with occasional gusts at or
above 25 mph. Afternoon RH values in the valleys will be 20-40%
through Tuesday and higher in the mountains before drying
considerably with Min RH values of 10-20% in the valleys and 15-30%
in the mountains.


AZZ150-221415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
108 PM MST Mon Jul 21 2025

.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
                           mostly cloudy (45-55 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........70 to 80 degs.
     24 hr Trend...........Little change.
* Max Humidity.............62 to 72 pct.
     24 hr Trend...........Up 11 to 15 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........88 to 98 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............31 to 41 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............6795 ft AGL.
* Transport winds..........South 11 to 15 knots.
* Ventilation Category.....Excellent (101925 knot-ft).

.TUESDAY NIGHT...
* 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..........67 to 77 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............42 to 52 pct.
     24 hr Trend...........Down 18 to 22 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.

.WEDNESDAY...
* Sky/Weather..............Mostly sunny (15-25 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........92 to 102 degs.
     24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............12 to 22 pct.
     24 hr Trend...........Down 15 to 19 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............11493 ft AGL.
* Transport winds..........South 8 to 10 knots.
* Ventilation Category.....Excellent (114930 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly clear. Lows 68 to 78. Highs 95 to 105. Light
winds. Minimum Humidity 9 to 16 pct.
.FRIDAY...Mostly clear. Lows 69 to 79. Highs 98 to 108. Light
winds. Minimum Humidity 7 to 14 pct.
.SATURDAY...Mostly clear. Lows 69 to 79. Highs 98 to 108. Light
winds. Minimum Humidity 7 to 12 pct.
.SUNDAY...Partly cloudy. Lows 70 to 80. Highs 100 to 110.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 74 to 84. Highs 101 to 111.

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

$$

AZZ151-221415-
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-
108 PM MST Mon Jul 21 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
     24 hr Trend...........Little change.
* Max Humidity.............74 to 84 pct.
     24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southwest around 10 mph shifting to the
                           southeast after midnight.

.TUESDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........81 to 91 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............42 to 52 pct.
     24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
                           southwest in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............7426 ft AGL.
* Transport winds..........South 10 to 11 knots.
* Ventilation Category.....Very good (81686 knot-ft).

.TUESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 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..........61 to 71 degs.
     24 hr Trend...........Down 1 deg.
* Max Humidity.............62 to 72 pct.
     24 hr Trend...........Down 18 to 22 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
                           south after midnight.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.

.WEDNESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........86 to 96 degs.
     24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............16 to 26 pct.
     24 hr Trend...........Down 21 to 25 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
                           southwest in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............10235 ft AGL.
* Transport winds..........Southwest 9 to 11 knots.
* Ventilation Category.....Excellent (112585 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly clear. Lows 62 to 72. Highs 89 to 99. Light
winds. Minimum Humidity 11 to 21 pct.
.FRIDAY...Mostly clear. Lows 63 to 73. Highs 92 to 102. West wind
around 15 mph. Minimum Humidity 10 to 20 pct.
.SATURDAY...Mostly clear. Lows 64 to 74. Highs 93 to 103. West
wind around 15 mph. Minimum Humidity 8 to 17 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 95 to 105.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 95 to 105.

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

$$

AZZ152-221415-
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-
108 PM MST Mon Jul 21 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct) then becoming
                           partly cloudy (45-55 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........63 to 73 degs.
     24 hr Trend...........Little change.
* Max Humidity.............69 to 79 pct.
     24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..Southwest 10 to 15 mph.
* 10000 ft MSL Wind........West around 10 mph shifting to the north
                           after midnight.

.TUESDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
                           mostly cloudy (55-65 pct). Showers and
                           thunderstorms likely.
* Chance of Precip.........60 pct.
* Chance of Thunder........60 pct.
* Max Temperature..........82 to 92 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............39 to 49 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............5797 ft AGL.
* Transport winds..........Southwest 8 to 12 knots.
* Ventilation Category.....Good (69564 knot-ft).

.TUESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct) then becoming
                           partly cloudy (35-45 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........62 to 72 degs.
     24 hr Trend...........Down 1 deg.
* Max Humidity.............64 to 74 pct.
     24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
                           becoming light.
* 10000 ft MSL Wind........West 5 to 10 mph.

.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........86 to 96 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............16 to 26 pct.
     24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............9865 ft AGL.
* Transport winds..........West 8 to 11 knots.
* Ventilation Category.....Excellent (108515 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly clear. Lows 62 to 72. Highs 90 to 100. Light
winds. Minimum Humidity 9 to 19 pct.
.FRIDAY...Mostly clear. Lows 63 to 73. Highs 92 to 102. West wind
around 15 mph. Minimum Humidity 8 to 17 pct.
.SATURDAY...Mostly clear. Lows 64 to 74. Highs 94 to 104. West
wind around 15 mph. Minimum Humidity 7 to 16 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 95 to 105.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 94 to 104.

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

$$

AZZ153-221415-
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-
108 PM MST Mon Jul 21 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..........55 to 65 degs.
     24 hr Trend...........Little change.
* Max Humidity.............66 to 76 pct.
     24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
                           mostly cloudy (70-80 pct). Showers and
                           thunderstorms likely.
* Chance of Precip.........70 pct.
* Chance of Thunder........70 pct.
* Max Temperature..........74 to 84 degs.
     24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............37 to 47 pct.
     24 hr Trend...........Up 9 to 13 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Light winds becoming southwest around 5
                           mph in the afternoon.
* Mixing height............6773 ft AGL.
* Transport winds..........West 7 to 10 knots.
* Ventilation Category.....Good (67730 knot-ft).

.TUESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........54 to 64 degs.
     24 hr Trend...........Little change.
* Max Humidity.............70 to 80 pct.
     24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
                           becoming light.
* 10000 ft MSL Wind........North 5 to 10 mph.

.WEDNESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
                           mostly cloudy (50-60 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........75 to 85 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............26 to 36 pct.
     24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
                           mph in the afternoon.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           west in the afternoon.
* Mixing height............8242 ft AGL.
* Transport winds..........West 8 to 11 knots.
* Ventilation Category.....Very good (90662 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly clear. Lows 53 to 63. Highs 80 to 90. Light
winds. Minimum Humidity 11 to 21 pct.
.FRIDAY...Mostly clear. Lows 55 to 65. Highs 83 to 93. Light
winds. Minimum Humidity 10 to 17 pct.
.SATURDAY...Mostly clear. Lows 57 to 67. Highs 84 to 94. Light
winds. Minimum Humidity 10 to 19 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 84 to 94.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 84 to 94.

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

$$

AZZ154-221415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
108 PM MST Mon Jul 21 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
                           thunderstorms and slight chance of
                           showers.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........56 to 66 degs.
     24 hr Trend...........Little change.
* Max Humidity.............75 to 85 pct.
     24 hr Trend...........Up 13 to 17 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........West around 10 mph shifting to the east
                           after midnight.

.TUESDAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Showers and
                           thunderstorms likely.
* Chance of Precip.........60 pct.
* Chance of Thunder........60 pct.
* Max Temperature..........71 to 81 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............53 to 63 pct.
     24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............6873 ft AGL.
* Transport winds..........Southwest 8 to 12 knots.
* Ventilation Category.....Good (68730 knot-ft).

.TUESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct) then becoming
                           partly cloudy (30-40 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........55 to 65 degs.
     24 hr Trend...........Little change.
* Max Humidity.............66 to 76 pct.
     24 hr Trend...........Down 15 to 19 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.

.WEDNESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
                           partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........75 to 85 degs.
     24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............23 to 33 pct.
     24 hr Trend...........Down 25 to 29 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............10155 ft AGL.
* Transport winds..........Southwest 8 to 11 knots.
* Ventilation Category.....Very good (96472 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly clear. Lows 57 to 67. Highs 79 to 89. Light
winds. Minimum Humidity 14 to 24 pct.
.FRIDAY...Mostly clear. Lows 58 to 68. Highs 82 to 92. Light
winds. Minimum Humidity 12 to 22 pct.
.SATURDAY...Mostly clear. Lows 59 to 69. Highs 83 to 93. Light
winds. Minimum Humidity 11 to 21 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 84 to 94.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 84 to 94.

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

$$


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