Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
898
FNUS55 KTWC 111304
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
604 AM MST Tue Aug 11 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Expect daily afternoon and evening showers and
thunderstorms through Thursday with less coverage Friday into
next weekend. Minimum relative humidity will be 20-40 percent
Monday through Thursday lowering to around 15-30 percent
thereafter. Temperatures will be near normal through Tuesday,
dropping to below normal Wednesday and Thursday, then warming
again next weekend. Outside of thunderstorms, winds terrain
driven to around 10 mph with occasional afternoon gusts to 20
mph.
AZZ150-112200-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
604 AM MST Tue Aug 11 2026
.TODAY...
* 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..........93 to 103 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............6952 ft AGL.
* Transport winds..........South 11 knots shifting to the west in
the afternoon.
* Ventilation Category.....Very good (76472 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........70 to 80 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
after midnight.
* 10000 ft MSL Wind........North around 10 mph shifting to the
northeast after midnight.
.WEDNESDAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........90 to 100 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............37 to 47 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........East around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............5833 ft AGL.
* Transport winds..........South 10 to 12 knots.
* Ventilation Category.....Good (69996 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 slight chance of
thunderstorms. Lows 69 to 79. Highs 91 to 101. Light winds.
Minimum Humidity 32 to 42 pct.
.FRIDAY...Partly cloudy. Lows 68 to 78. Highs 92 to 102. Light
winds. Minimum Humidity 24 to 34 pct.
.SATURDAY...Partly cloudy. Lows 71 to 81. Highs 95 to 105. Light
winds. Minimum Humidity 20 to 30 pct.
.SUNDAY...Partly cloudy. Lows 73 to 83. Highs 97 to 107.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 75 to 85. Highs 99 to 109.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-112200-
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-
604 AM MST Tue Aug 11 2026
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........North 5 to 10 mph.
* Mixing height............6296 ft AGL.
* Transport winds..........West 10 to 13 knots.
* Ventilation Category.....Very good (81848 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........63 to 73 degs.
24 hr Trend...........Little change.
* Max Humidity.............79 to 89 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..West around 15 mph shifting to the south
after midnight.
* 10000 ft MSL Wind........North 5 to 10 mph.
.WEDNESDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............45 to 55 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............6384 ft AGL.
* Transport winds..........West 8 to 10 knots.
* Ventilation Category.....Good (63840 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 62 to 72. Highs 80 to 90. Light winds.
Minimum Humidity 46 to 56 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 83 to 93. Light winds.
Minimum Humidity 36 to 46 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds.
Minimum Humidity 29 to 39 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 89 to 99.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 90 to 100.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-112200-
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-
604 AM MST Tue Aug 11 2026
.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 10 mph shifting to the
northwest in the afternoon.
* Mixing height............6665 ft AGL.
* Transport winds..........West 12 to 15 knots.
* Ventilation Category.....Very good (99975 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........63 to 73 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Up 32 to 36 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............38 to 48 pct.
24 hr Trend...........Up 16 to 20 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............4574 ft AGL.
* Transport winds..........West 11 to 12 knots.
* Ventilation Category.....Good (54888 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Showers likely and slight chance of thunderstorms.
Lows 62 to 72. Highs 81 to 91. Light winds. Minimum Humidity
43 to 53 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 84 to 94. Light winds.
Minimum Humidity 34 to 44 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 87 to 97. Light winds.
Minimum Humidity 28 to 38 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 90 to 100.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. 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)
$$
AZZ153-112200-
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-
604 AM MST Tue Aug 11 2026
.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........82 to 92 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............28 to 38 pct.
24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............8048 ft AGL.
* Transport winds..........Northwest 10 to 13 knots.
* Ventilation Category.....Excellent (104624 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............74 to 84 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........North 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........78 to 88 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............37 to 47 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........East around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............7515 ft AGL.
* Transport winds..........Northwest 11 knots shifting to the west
in the afternoon.
* Ventilation Category.....Very good (82665 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 56 to 66. Highs 72 to 82. Light winds.
Minimum Humidity 46 to 56 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 75 to 85. Light winds.
Minimum Humidity 37 to 47 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 78 to 88. Light winds.
Minimum Humidity 28 to 38 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 79 to 89.
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 80 to 90.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-112200-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
604 AM MST Tue Aug 11 2026
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........North 5 to 10 mph.
* Mixing height............9970 ft AGL.
* Transport winds..........Northwest 10 to 14 knots.
* Ventilation Category.....Excellent (119640 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............80 to 90 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........North 5 to 10 mph.
.WEDNESDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........72 to 82 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............53 to 63 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............6856 ft AGL.
* Transport winds..........West 10 to 11 knots.
* Ventilation Category.....Very good (71988 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Showers and thunderstorms likely. Lows 56 to 66.
Highs 70 to 80. Light winds. Minimum Humidity 56 to 66 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 73 to 83. Light winds.
Minimum Humidity 45 to 55 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 57 to 67. Highs 76 to 86. Light winds.
Minimum Humidity 37 to 47 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 78 to 88.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 79 to 89.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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