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

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546
FNUS55 KTWC 041002
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
302 AM MST Mon Aug 4 2025

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

.DISCUSSION...Dry weather and light winds will continue today,
with very hot temperatures this week. Temperatures will continue to
rise and peak at 8 to 14 degrees above normal Wednesday and
Thursday.  A return to a very low grade monsoon pattern starts
Tuesday through Thursday, mainly along the Intenrational border
south to southwest of Tucson, then expands to the rest of southeast
Arizona by Friday and the weekend as more typical monsoon
precipitation chances return. Min RH values areawide will continue
around 8 to 15 percent through Thursday then 15 to 25 percent
starting Friday. Mountain readings climb into the lower 30 percent
range Saturday and Sunday.


AZZ150-050045-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
302 AM MST Mon Aug 4 2025

.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........102 to 112 degs.
     24 hr Trend...........Little change.
* Min Humidity.............11 to 21 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
                           in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............13150 ft AGL.
* Transport winds..........Southwest 12 to 14 knots.
* Ventilation Category.....Excellent (184100 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........75 to 85 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............29 to 39 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........Southwest around 10 mph shifting to the
                           southeast after midnight.

.TUESDAY...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........104 to 114 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............11 to 18 pct.
     24 hr Trend...........Down 1 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............11783 ft AGL.
* Transport winds..........Southwest 9 to 10 knots.
* Ventilation Category.....Excellent (117830 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Slight chance of showers. Lows 77 to
87. Highs 107 to 117. Light winds. Minimum Humidity 9 to 14 pct.
.THURSDAY...Partly cloudy. Lows 78 to 88. Highs 106 to 116. Light
winds. Minimum Humidity 8 to 17 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 102 to 112. Light winds.
Minimum Humidity 14 to 24 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 74 to 84. Highs 99 to 109.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 74 to 84. Highs 100 to 110.

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

$$

AZZ151-050045-
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-
302 AM MST Mon Aug 4 2025

.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (25-35 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........96 to 106 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............10 to 18 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
                           mph in the afternoon.
* 10000 ft MSL Wind........West around 15 mph decreasing to around
                           5 mph in the afternoon.
* Mixing height............13645 ft AGL.
* Transport winds..........West 9 to 10 knots.
* Ventilation Category.....Excellent (136450 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........68 to 78 degs.
     24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............36 to 46 pct.
     24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           northeast after midnight.

.TUESDAY...
* 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..........97 to 107 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............11 to 19 pct.
     24 hr Trend...........Up 1 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............13569 ft AGL.
* Transport winds..........West 6 to 9 knots.
* Ventilation Category.....Excellent (122121 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 99 to 109. Light winds.
Minimum Humidity 9 to 17 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. Highs 99 to 109. Light winds.
Minimum Humidity 8 to 16 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 96 to 106. West wind around 15 mph. Minimum
Humidity 13 to 23 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 93 to 103.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 93 to 103.

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

$$

AZZ152-050045-
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-
302 AM MST Mon Aug 4 2025

.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........95 to 105 degs.
     24 hr Trend...........Little change.
* Min Humidity.............8 to 16 pct.
     24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............11463 ft AGL.
* Transport winds..........West 10 to 12 knots.
* Ventilation Category.....Excellent (137556 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........66 to 76 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............31 to 41 pct.
     24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           southwest after midnight.

.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........97 to 107 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............8 to 18 pct.
     24 hr Trend...........Little change.
* 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............12224 ft AGL.
* Transport winds..........Northwest 6 to 9 knots.
* Ventilation Category.....Excellent (110016 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 69 to 79. Highs 99 to 109. Light
winds. Minimum Humidity 8 to 16 pct.
.THURSDAY...Mostly clear. Lows 69 to 79. Highs 98 to 108. Light
winds. Minimum Humidity 7 to 14 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 96 to 106. West wind around
15 mph. Minimum Humidity 10 to 20 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 94 to 104.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 93 to 103.

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

$$

AZZ153-050045-
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-
302 AM MST Mon Aug 4 2025

.TODAY...
* Sky/Weather..............Mostly sunny (5-15 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........86 to 96 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............8 to 14 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............11497 ft AGL.
* Transport winds..........West 13 to 14 knots.
* Ventilation Category.....Excellent (160958 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........59 to 69 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............29 to 39 pct.
     24 hr Trend...........Up 13 to 17 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the north
                           after midnight.
* 10000 ft MSL Wind........West 10 to 15 mph.

.TUESDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
                           partly cloudy (30-40 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........87 to 97 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............10 to 19 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..North around 10 mph shifting to the west
                           in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............13151 ft AGL.
* Transport winds..........Northwest 10 to 11 knots.
* Ventilation Category.....Excellent (144661 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Lows 60 to 70. Highs 88 to 98. Light
winds. Minimum Humidity 10 to 18 pct.
.THURSDAY...Partly cloudy. Lows 61 to 71. Highs 88 to 98. Light
winds. Minimum Humidity 9 to 18 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 87 to 97. Light winds.
Minimum Humidity 11 to 19 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 85 to 95.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. 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)

$$

AZZ154-050045-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
302 AM MST Mon Aug 4 2025

.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
                           partly cloudy (25-35 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........85 to 95 degs.
     24 hr Trend...........Up 1 deg.
* Min Humidity.............11 to 21 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........West around 15 mph decreasing to around
                           5 mph in the afternoon.
* Mixing height............12599 ft AGL.
* Transport winds..........West 9 to 10 knots.
* Ventilation Category.....Excellent (119690 knot-ft).

.TONIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........64 to 74 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............29 to 39 pct.
     24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
                           northeast after midnight.

.TUESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........87 to 97 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............13 to 23 pct.
     24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming north around 10 mph
                           in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............13356 ft AGL.
* Transport winds..........Northwest 7 knots.
* Ventilation Category.....Very good (93492 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 65 to 75. Highs 89 to 99. Light
winds. Minimum Humidity 11 to 19 pct.
.THURSDAY...Mostly clear. Lows 65 to 75. Highs 88 to 98. Light
winds. Minimum Humidity 10 to 18 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 85 to 95. West wind around 15 mph. Minimum
Humidity 15 to 25 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 83 to 93.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 82 to 92.

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

$$


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