Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
804
FNUS55 KTWC 312157
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
257 PM MST Mon Aug 31 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Scattered showers and isolated thunderstorms into
this evening. Storms chances decrease a little Tuesday and Wednesday
with activity mainly from Tucson south and eastward. Then expect
another increase in storm chances Thursday into the weekend.
Temperatures will be around normal today through the coming work
week. Minimum relative humidity values mainly 20 to 45 percent in
the valleys and 30 to 60 percent in the mountains over the next
week. Winds will generally remain less than 15 mph and terrain
driven through the week.
AZZ150-011300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
257 PM MST Mon Aug 31 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 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 1 to 4 degs.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........West 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Up 9 to 13 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............7207 ft AGL.
* Transport winds..........Southwest 8 to 10 knots.
* Ventilation Category.....Very good (72070 knot-ft).
.TUESDAY NIGHT...
* Sky/Weather..............Mostly clear (15-25 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........69 to 79 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............66 to 76 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
.WEDNESDAY...
* 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..........92 to 102 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............30 to 40 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........Southwest 10 to 15 mph.
* Mixing height............7802 ft AGL.
* Transport winds..........Southwest 9 to 11 knots.
* Ventilation Category.....Very good (85822 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 70 to 80. Highs 91 to 101. Light winds. Minimum Humidity
31 to 41 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 70 to 80. Highs 89 to 99. South wind around 15 mph. Minimum
Humidity 35 to 45 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 69 to 79. Highs 88 to 98. Light winds. Minimum Humidity
36 to 46 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 91 to 101.
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 93 to 103.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-011300-
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-
257 PM MST Mon Aug 31 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............79 to 89 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........West around 15 mph becoming southwest
around 5 mph after midnight.
.TUESDAY...
* 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..........84 to 94 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............39 to 49 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........West 5 to 10 mph.
* Mixing height............6551 ft AGL.
* Transport winds..........Southwest 7 knots shifting to the west 9
knots in the afternoon.
* Ventilation Category.....Good (58959 knot-ft).
.TUESDAY NIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Little change.
* Max Humidity.............73 to 83 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West around 5 mph shifting to the
southwest after midnight.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............36 to 46 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 5 to 10 mph.
* Mixing height............6496 ft AGL.
* Transport winds..........West 6 to 9 knots.
* Ventilation Category.....Good (58464 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 84 to 94. Light winds. Minimum Humidity
40 to 50 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 82 to 92. Light winds. Minimum Humidity
46 to 56 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 83 to 93. Light winds. Minimum Humidity
43 to 53 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 85 to 95.
.LABOR DAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 88 to 98.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-011300-
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-
257 PM MST Mon Aug 31 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............75 to 85 pct.
24 hr Trend...........Up 14 to 18 pct.
* Wind (20 ft/10-min avg)..West around 15 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............6139 ft AGL.
* Transport winds..........West 6 to 11 knots.
* Ventilation Category.....Good (67529 knot-ft).
.TUESDAY NIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Down 38 to 42 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
south after midnight.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........87 to 97 degs.
24 hr Trend...........Little change.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............6753 ft AGL.
* Transport winds..........West 9 to 13 knots.
* Ventilation Category.....Very good (87789 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 87 to 97. West wind around 15 mph. Minimum
Humidity 30 to 40 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 85 to 95. Light winds. Minimum Humidity
37 to 47 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 86 to 96. Light winds. Minimum Humidity
34 to 44 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 88 to 98.
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 90 to 100.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-011300-
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-
257 PM MST Mon Aug 31 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............70 to 80 pct.
24 hr Trend...........Down 17 to 21 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Up 5 to 9 degs.
* Min Humidity.............28 to 38 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............7759 ft AGL.
* Transport winds..........West 7 to 12 knots.
* Ventilation Category.....Very good (93108 knot-ft).
.TUESDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Northwest around 10 mph shifting to the
southwest after midnight.
.WEDNESDAY...
* 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..........78 to 88 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
in the afternoon.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............8169 ft AGL.
* Transport winds..........West 9 to 13 knots.
* Ventilation Category.....Excellent (106197 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 78 to 88. West wind around 15 mph. Minimum
Humidity 27 to 37 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 77 to 87. Light winds. Minimum Humidity
36 to 46 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 77 to 87. Light winds. Minimum Humidity
33 to 43 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 78 to 88.
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 57 to 67. Highs 79 to 89.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-011300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
257 PM MST Mon Aug 31 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........55 to 65 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Down 7 to 11 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.
.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..........74 to 84 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............44 to 54 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........West 5 to 10 mph.
* Mixing height............7766 ft AGL.
* Transport winds..........West 6 to 9 knots.
* Ventilation Category.....Good (58245 knot-ft).
.TUESDAY NIGHT...
* Sky/Weather..............Partly cloudy (25-35 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............67 to 77 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
south after midnight.
.WEDNESDAY...
* 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..........75 to 85 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Down 5 to 9 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............7959 ft AGL.
* Transport winds..........West 7 to 10 knots.
* Ventilation Category.....Good (67651 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 75 to 85. Light winds. Minimum Humidity
43 to 53 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 73 to 83. Light winds. Minimum Humidity
50 to 60 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 74 to 84. Light winds. Minimum Humidity
48 to 58 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 76 to 86.
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 78 to 88.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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