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

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310
FNUS55 KTWC 312110
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
210 PM MST Sun Aug 31 2025

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

.DISCUSSION...Moisture increases east of Tucson today and
across southeastern Arizona Monday, with minimum relative humidity
values above 20 percent becoming widespread Monday. Daily chances
for thunderstorms through this week with this increase in
moisture, with day to day variability. Gusty outflow winds
possible with any thunderstorm. East to southeast winds of 12-17
mph develop Monday, potentially lingering through Tuesday.


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-
210 PM MST Sun Aug 31 2025

.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
                           mostly cloudy (45-55 pct). Slight chance
                           of showers and thunderstorms in the evening.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........74 to 84 degs.
     24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............46 to 56 pct.
     24 hr Trend...........Up 12 to 16 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the
                           southeast after midnight.
* 10000 ft MSL Wind........East 10 to 15 mph.

.LABOR DAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
                           mostly cloudy (50-60 pct). Chance of
                           showers and slight chance of
                           thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........97 to 107 degs.
     24 hr Trend...........Little change.
* Min Humidity.............19 to 29 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Northeast 15 to 20 mph.
* Mixing height............11730 ft AGL.
* Transport winds..........Southeast 12 knots.
* Ventilation Category.....Excellent (140760 knot-ft).

.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
                           showers and slight chance of
                           thunderstorms in the evening.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........74 to 84 degs.
     24 hr Trend...........Little change.
* Max Humidity.............52 to 62 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
                           mostly cloudy (45-55 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........94 to 104 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............21 to 31 pct.
     24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............12176 ft AGL.
* Transport winds..........East 12 to 14 knots.
* Ventilation Category.....Excellent (170464 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 72 to 82. Highs 92 to 102. Light winds.
Minimum Humidity 26 to 36 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 70 to 80. Highs 90 to 100. Light winds. Minimum Humidity
29 to 39 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 87 to 97. Light winds. Minimum Humidity
31 to 41 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 86 to 96.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 89 to 99.

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-
210 PM MST Sun Aug 31 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct). Slight chance
                           of showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........65 to 75 degs.
     24 hr Trend...........Up 1 deg.
* Max Humidity.............65 to 75 pct.
     24 hr Trend...........Up 16 to 20 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 10 mph increasing to
                           around 20 mph after midnight.

.LABOR DAY...
* Sky/Weather..............Mostly cloudy (50-60 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 deg.
* Min Humidity.............24 to 34 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............10261 ft AGL.
* Transport winds..........East 14 to 15 knots.
* Ventilation Category.....Excellent (153915 knot-ft).

.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........65 to 75 degs.
     24 hr Trend...........Little change.
* Max Humidity.............63 to 73 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
                           mostly cloudy (45-55 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........87 to 97 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............23 to 33 pct.
     24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............11758 ft AGL.
* Transport winds..........East 16 to 17 knots.
* Ventilation Category.....Excellent (199886 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity
27 to 37 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 85 to 95. Light winds. Minimum Humidity
31 to 41 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 82 to 92. Light winds. Minimum Humidity
35 to 45 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 81 to 91.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 83 to 93.

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-
210 PM MST Sun Aug 31 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........64 to 74 degs.
     24 hr Trend...........Little change.
* Max Humidity.............65 to 75 pct.
     24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.

.LABOR DAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........86 to 96 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............24 to 34 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............8056 ft AGL.
* Transport winds..........East 15 to 16 knots.
* Ventilation Category.....Excellent (128896 knot-ft).

.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........64 to 74 degs.
     24 hr Trend...........Little change.
* Max Humidity.............60 to 70 pct.
     24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
                           of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........86 to 96 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............20 to 30 pct.
     24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............9103 ft AGL.
* Transport winds..........East 16 to 17 knots.
* Ventilation Category.....Excellent (154751 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 86 to 96. Light winds.
Minimum Humidity 20 to 30 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 87 to 97. Light winds. Minimum Humidity
22 to 32 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 83 to 93. Light winds. Minimum Humidity
26 to 36 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 82 to 92.
.SUNDAY...Partly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 61 to 71. Highs 84 to 94.

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-
210 PM MST Sun Aug 31 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........56 to 66 degs.
     24 hr Trend...........Little change.
* Max Humidity.............68 to 78 pct.
     24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........North around 10 mph shifting to the east
                           after midnight.

.LABOR DAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........77 to 87 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............33 to 43 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............9738 ft AGL.
* Transport winds..........East 10 to 13 knots.
* Ventilation Category.....Excellent (126594 knot-ft).

.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........55 to 65 degs.
     24 hr Trend...........Little change.
* Max Humidity.............66 to 76 pct.
     24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
                           mostly cloudy (55-65 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........75 to 85 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............28 to 38 pct.
     24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............9713 ft AGL.
* Transport winds..........Southeast 12 knots.
* Ventilation Category.....Excellent (116556 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 54 to 64. Highs 76 to 86. Light winds.
Minimum Humidity 24 to 34 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 77 to 87. Light winds. Minimum Humidity
23 to 33 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 75 to 85. Light winds. Minimum Humidity
26 to 36 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 73 to 83.
.SUNDAY...Partly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 53 to 63. Highs 73 to 83.

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-
210 PM MST Sun Aug 31 2025

.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........58 to 68 degs.
     24 hr Trend...........Down 1 deg.
* Max Humidity.............67 to 77 pct.
     24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 10 mph increasing to
                           east around 20 mph after midnight.

.LABOR DAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
                           showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........76 to 86 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............34 to 44 pct.
     24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.
* Mixing height............9219 ft AGL.
* Transport winds..........East 15 to 16 knots.
* Ventilation Category.....Excellent (142894 knot-ft).

.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
                           showers and thunderstorms in the evening.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........58 to 68 degs.
     24 hr Trend...........Little change.
* Max Humidity.............63 to 73 pct.
     24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 20 to 25 mph.

.TUESDAY...
* Sky/Weather..............Partly cloudy (40-50 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...........Down 1 deg.
* Min Humidity.............28 to 38 pct.
     24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 25 to 30 mph.
* Mixing height............10373 ft AGL.
* Transport winds..........East 18 to 19 knots.
* Ventilation Category.....Excellent (191900 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 76 to 86. Light winds. Minimum Humidity
29 to 39 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 76 to 86. Light winds. Minimum Humidity
31 to 41 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 73 to 83. Light winds. Minimum Humidity
37 to 47 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 72 to 82.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 73 to 83.

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

$$


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