Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
668
FNUS55 KTWC 220852
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
152 AM MST Sat Aug 22 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Isolated to scattered thunderstorms expected
this weekend with daily but gradually reduced chances as next week
progresses. Temperatures will remain above normal through the coming
week. Minimum relative humidity values mainly 15-30 percent each day
with light and terrain driven wind except near any thunderstorms.
AZZ150-222315-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
152 AM MST Sat Aug 22 2026
.TODAY...
* 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..........102 to 112 degs.
24 hr Trend...........Little change.
* Min Humidity.............13 to 23 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming west around 20 mph
in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............14111 ft AGL.
* Transport winds..........Southeast 7 knots shifting to the
northeast 8 knots in the afternoon.
* Ventilation Category.....Excellent (112888 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........76 to 86 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............41 to 51 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 20 mph becoming southeast
around 10 mph after midnight.
* 10000 ft MSL Wind........North around 5 mph shifting to the east
after midnight.
.SUNDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........99 to 109 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............18 to 28 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............12511 ft AGL.
* Transport winds..........South 11 knots shifting to the west 8
knots in the afternoon.
* Ventilation Category.....Excellent (100088 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 74 to 84. Highs 97 to 107. Light winds.
Minimum Humidity 20 to 30 pct.
.TUESDAY...Mostly clear. Lows 75 to 85. Highs 101 to 111. Light
winds. Minimum Humidity 14 to 22 pct.
.WEDNESDAY...Mostly clear. Lows 77 to 87. Highs 102 to 112. Light
winds. Minimum Humidity 12 to 22 pct.
.THURSDAY...Mostly clear. Lows 77 to 87. Highs 102 to 112.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 77 to 87. Highs 102 to 112.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-222315-
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-
152 AM MST Sat Aug 22 2026
.TODAY...
* 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..........95 to 105 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 20
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............12224 ft AGL.
* Transport winds..........East 8 knots.
* Ventilation Category.....Very good (97792 knot-ft).
.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..........67 to 77 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............51 to 61 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..West around 15 mph shifting to the east
after midnight.
* 10000 ft MSL Wind........East 5 to 10 mph.
.SUNDAY...
* 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..........93 to 103 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............21 to 31 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............10423 ft AGL.
* Transport winds..........Southeast 8 to 9 knots.
* Ventilation Category.....Very good (93807 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds.
Minimum Humidity 23 to 33 pct.
.TUESDAY...Mostly clear. Lows 66 to 76. Highs 95 to 105. Light
winds. Minimum Humidity 17 to 27 pct.
.WEDNESDAY...Mostly clear. Lows 68 to 78. Highs 96 to 106. Light
winds. Minimum Humidity 14 to 24 pct.
.THURSDAY...Mostly clear. Lows 69 to 79. Highs 96 to 106.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 96 to 106.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-222315-
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-
152 AM MST Sat Aug 22 2026
.TODAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........96 to 106 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............13 to 23 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............11988 ft AGL.
* Transport winds..........East 9 to 10 knots.
* Ventilation Category.....Excellent (119880 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............47 to 57 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..West around 15 mph shifting to the
northeast after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........94 to 104 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............14 to 24 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............11536 ft AGL.
* Transport winds..........Southeast 7 knots.
* Ventilation Category.....Very good (80752 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Lows 66 to 76. Highs 94 to 104.
Northwest wind around 15 mph. Minimum Humidity 14 to 24 pct.
.TUESDAY...Mostly clear. Lows 67 to 77. Highs 96 to 106.
Northwest wind around 15 mph. Minimum Humidity 12 to 22 pct.
.WEDNESDAY...Mostly clear. Lows 68 to 78. Highs 97 to 107. Light
winds. Minimum Humidity 10 to 20 pct.
.THURSDAY...Mostly clear. Lows 69 to 79. Highs 97 to 107.
.FRIDAY...Mostly clear. 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)
$$
AZZ153-222315-
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-
152 AM MST Sat Aug 22 2026
.TODAY...
* 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..........84 to 94 degs.
24 hr Trend...........Little change.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............12133 ft AGL.
* Transport winds..........East 8 knots shifting to the south 9
knots in the afternoon.
* Ventilation Category.....Excellent (109197 knot-ft).
.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..........59 to 69 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Northeast 10 to 15 mph.
* 10000 ft MSL Wind........South 5 to 10 mph.
.SUNDAY...
* Sky/Weather..............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...........Little change.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the
southwest in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............12507 ft AGL.
* Transport winds..........East 7 knots shifting to the south 9
knots in the afternoon.
* Ventilation Category.....Excellent (112563 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Lows 59 to 69. Highs 84 to 94. Light
winds. Minimum Humidity 17 to 27 pct.
.TUESDAY...Partly cloudy. Lows 59 to 69. Highs 86 to 96. North
wind around 15 mph. Minimum Humidity 15 to 25 pct.
.WEDNESDAY...Partly cloudy. Lows 60 to 70. Highs 86 to 96. North
wind around 15 mph. Minimum Humidity 14 to 24 pct.
.THURSDAY...Partly cloudy. Lows 60 to 70. Highs 86 to 96.
.FRIDAY...Partly cloudy. 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)
$$
AZZ154-222315-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
152 AM MST Sat Aug 22 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..........85 to 95 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............13114 ft AGL.
* Transport winds..........East 9 knots.
* Ventilation Category.....Excellent (118026 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............44 to 54 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Northwest around 15 mph shifting to the
northeast after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.SUNDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (30-40 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...........Down 1 to 4 degs.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............13931 ft AGL.
* Transport winds..........East 7 knots.
* Ventilation Category.....Very good (97517 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Partly cloudy. Lows 61 to 71. Highs 82 to 92. Northwest
wind around 15 mph. Minimum Humidity 24 to 34 pct.
.TUESDAY...Mostly clear. Lows 62 to 72. Highs 85 to 95. North
wind around 15 mph. Minimum Humidity 18 to 28 pct.
.WEDNESDAY...Mostly clear. Lows 63 to 73. Highs 86 to 96. Light
winds. Minimum Humidity 15 to 25 pct.
.THURSDAY...Mostly clear. Lows 63 to 73. Highs 86 to 96.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 86 to 96.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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