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

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442
FNUS55 KTWC 010939
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
239 AM MST Fri Aug 1 2025

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

.DISCUSSION...Isolated thunderstorms this afternoon into this
evening, then drying this weekend with slight chances of showers and
thunderstorms mainly south and east of Tucson Saturday with dry
conditions areawide Sunday. Overall winds are expected to remain
under 15 mph with occasional afternoon gustiness, however strong
erratic winds are possible with any thunderstorm. Hot temperatures
will continue into next week with a low grade monsoon pattern early
next week.


AZZ150-012300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
239 AM MST Fri Aug 1 2025

.TODAY...
* 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 deg.
* Min Humidity.............14 to 24 pct.
     24 hr Trend...........Down 3 to 7 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............13068 ft AGL.
* Transport winds..........South 10 to 12 knots.
* Ventilation Category.....Excellent (156816 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........74 to 84 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............25 to 35 pct.
     24 hr Trend...........Down 20 to 24 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
                           after midnight.
* 10000 ft MSL Wind........Southeast 5 to 10 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 4 to 8 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............12381 ft AGL.
* Transport winds..........South 8 knots shifting to the southwest
                           10 knots in the afternoon.
* Ventilation Category.....Excellent (123810 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 102 to 112. Light
winds. Minimum Humidity 6 to 15 pct.
.MONDAY...Mostly clear. Lows 72 to 82. Highs 101 to 111. Light
winds. Minimum Humidity 11 to 21 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 75 to 85. Highs 102 to 112. Light winds.
Minimum Humidity 12 to 20 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 75 to 85. Highs 104 to 114.
.THURSDAY...Mostly clear. Lows 76 to 86. Highs 105 to 115.

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

$$

AZZ151-012300-
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-
239 AM MST Fri Aug 1 2025

.TODAY...
* Sky/Weather..............Mostly sunny (5-15 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..........93 to 103 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)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............12493 ft AGL.
* Transport winds..........East 7 knots.
* Ventilation Category.....Very good (87451 knot-ft).

.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..........68 to 78 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............43 to 53 pct.
     24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Northwest 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 (5-15 pct) then becoming
                           partly cloudy (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 deg.
* Min Humidity.............13 to 23 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........Southeast around 5 mph shifting to the
                           south in the afternoon.
* Mixing height............12756 ft AGL.
* Transport winds..........East 6 knots shifting to the southwest 9
                           knots in the afternoon.
* Ventilation Category.....Excellent (114804 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 96 to 106. West wind
around 15 mph. Minimum Humidity 6 to 15 pct.
.MONDAY...Mostly clear. Lows 65 to 75. Highs 95 to 105. Light
winds. Minimum Humidity 10 to 20 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 96 to 106. Light winds. Minimum Humidity
12 to 21 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 98 to 108.
.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)

$$

AZZ152-012300-
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-
239 AM MST Fri Aug 1 2025

.TODAY...
* 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..........91 to 101 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)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............8868 ft AGL.
* Transport winds..........Southeast 7 to 8 knots.
* Ventilation Category.....Very good (70944 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           showers and slight chance of
                           thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........67 to 77 degs.
     24 hr Trend...........Up 3 to 6 degs.
* Max Humidity.............47 to 57 pct.
     24 hr Trend...........Down 23 to 27 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
                           east after midnight.
* 10000 ft MSL Wind........South 5 to 10 mph.

.SATURDAY...
* Sky/Weather..............Mostly sunny (5-15 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 7 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............9679 ft AGL.
* Transport winds..........East 6 knots shifting to the southwest 9
                           knots in the afternoon.
* Ventilation Category.....Very good (87111 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 5 to 15 pct.
.MONDAY...Mostly clear. Lows 65 to 75. Highs 95 to 105. Northwest
wind around 15 mph. Minimum Humidity 8 to 17 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 97 to 107. Light winds.
Minimum Humidity 9 to 18 pct.
.WEDNESDAY...Partly cloudy. Lows 68 to 78. Highs 98 to 108.
.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)

$$

AZZ153-012300-
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-
239 AM MST Fri Aug 1 2025

.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (35-45 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.............28 to 38 pct.
     24 hr Trend...........Little change.
* 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............10183 ft AGL.
* Transport winds..........East 7 knots shifting to the southwest 8
                           knots in the afternoon.
* Ventilation Category.....Very good (81464 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Chance of
                           thunderstorms and slight chance of
                           showers.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........59 to 69 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............52 to 62 pct.
     24 hr Trend...........Down 18 to 22 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..........83 to 93 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............18 to 28 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............10103 ft AGL.
* Transport winds..........Southeast 7 knots shifting to the
                           southwest 11 knots in the afternoon.
* Ventilation Category.....Excellent (111133 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 7 to 12 pct.
.MONDAY...Mostly clear. Lows 57 to 67. Highs 86 to 96. Light
winds. Minimum Humidity 8 to 14 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 87 to 97. Light winds.
Minimum Humidity 10 to 18 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 88 to 98.
.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)

$$

AZZ154-012300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
239 AM MST Fri Aug 1 2025

.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
                           partly cloudy (30-40 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........81 to 91 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............29 to 39 pct.
     24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming east around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............10100 ft AGL.
* Transport winds..........East 7 knots.
* Ventilation Category.....Very good (70700 knot-ft).

.TONIGHT...
* Sky/Weather..............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..........63 to 73 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............44 to 54 pct.
     24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.

.SATURDAY...
* Sky/Weather..............Mostly sunny (15-25 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.............23 to 33 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............10311 ft AGL.
* Transport winds..........East 6 knots shifting to the southwest 8
                           knots in the afternoon.
* Ventilation Category.....Very good (82488 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 85 to 95. West wind
around 15 mph. Minimum Humidity 9 to 19 pct.
.MONDAY...Mostly clear. Lows 61 to 71. Highs 85 to 95. West wind
around 15 mph. Minimum Humidity 11 to 21 pct.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds.
Minimum Humidity 13 to 23 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. 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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