Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
602
FNUS55 KTWC 211038
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
338 AM MST Mon Sep 21 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...
Minimum relative humidity 20-30 percent in the lower elevations
and 30-40 percent in the mountains today, increasing further for
the remainder of the week especially across Graham, Greenlee,
and Cochise counties. Chances for showers and thunderstorms will
also arrive daily Tuesday onwards with this moisture increase.
Gusty and erratic winds will accompany any thunderstorms.
AZZ150-212215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
338 AM MST Mon Sep 21 2026
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............10851 ft AGL.
* Transport winds..........South 14 to 15 knots.
* Ventilation Category.....Excellent (162765 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............46 to 56 pct.
24 hr Trend...........Down 16 to 20 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........South 15 to 20 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........88 to 98 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............26 to 36 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............5051 ft AGL.
* Transport winds..........South 9 to 10 knots.
* Ventilation Category.....Good (50510 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 66 to 76. Highs 87 to 97. Southeast wind
around 15 mph. Minimum Humidity 31 to 41 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 88 to 98. East wind around
15 mph. Minimum Humidity 29 to 39 pct.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 90 to 100. East wind around
15 mph. Minimum Humidity 24 to 34 pct.
.SATURDAY...Partly cloudy. Lows 69 to 79. Highs 93 to 103.
.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)
$$
AZZ151-212215-
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-
338 AM MST Mon Sep 21 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..........85 to 95 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............9002 ft AGL.
* Transport winds..........South 9 to 11 knots.
* Ventilation Category.....Very good (99022 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 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...........Up 1 to 4 degs.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..South around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........South 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............37 to 47 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............6859 ft AGL.
* Transport winds..........Southeast 9 to 10 knots.
* Ventilation Category.....Good (68590 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 78 to 88. East wind around 20 mph. Minimum
Humidity 45 to 55 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 80 to 90. East wind around 15 mph. Minimum
Humidity 40 to 50 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 81 to 91. Southeast wind
around 15 mph. Minimum Humidity 35 to 45 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 84 to 94.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 61 to 71. Highs 81 to 91.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-212215-
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-
338 AM MST Mon Sep 21 2026
.TODAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............9024 ft AGL.
* Transport winds..........Southeast 6 knots shifting to the
southwest 9 knots in the afternoon.
* Ventilation Category.....Very good (81216 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (60-70 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...........Up 1 deg.
* Max Humidity.............55 to 65 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........South 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Up 12 to 16 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
* Mixing height............4146 ft AGL.
* Transport winds..........Southeast 10 to 13 knots.
* Ventilation Category.....Good (53898 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 75 to 85. East wind around 25 mph. Minimum
Humidity 49 to 59 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 77 to 87. East wind around 20 mph. Minimum
Humidity 43 to 53 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 78 to 88. East wind around
20 mph. Minimum Humidity 39 to 49 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 81 to 91.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 79 to 89.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-212215-
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-
338 AM MST Mon Sep 21 2026
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........72 to 82 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............26 to 36 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............9548 ft AGL.
* Transport winds..........Northeast 8 knots shifting to the
southwest 10 knots in the afternoon.
* Ventilation Category.....Very good (95480 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (65-75 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Up 3 to 7 degs.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northeast around 10
mph after midnight.
* 10000 ft MSL Wind........South 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (75-85 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........68 to 78 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............44 to 54 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the
southeast in the afternoon.
* 10000 ft MSL Wind........South 20 to 25 mph.
* Mixing height............4943 ft AGL.
* Transport winds..........East 10 knots shifting to the south 11
knots in the afternoon.
* Ventilation Category.....Good (54373 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 63 to 73. East wind around 15 mph. Minimum
Humidity 58 to 68 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 50 to 60. Highs 66 to 76. East wind around 15 mph. Minimum
Humidity 50 to 60 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 50 to 60. Highs 66 to 76. East wind around 15 mph. Minimum
Humidity 46 to 56 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 51 to 61. Highs 71 to 81.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 68 to 78.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-212215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
338 AM MST Mon Sep 21 2026
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 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 1 deg.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............10498 ft AGL.
* Transport winds..........South 8 to 10 knots.
* Ventilation Category.....Very good (94482 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............55 to 65 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........South 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........69 to 79 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............43 to 53 pct.
24 hr Trend...........Up 12 to 16 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
* Mixing height............6288 ft AGL.
* Transport winds..........Southeast 8 to 12 knots.
* Ventilation Category.....Good (62880 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 66 to 76. East wind around 20 mph. Minimum
Humidity 61 to 71 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 68 to 78. East wind around 15 mph. Minimum
Humidity 54 to 64 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 52 to 62. Highs 69 to 79. East wind around
15 mph. Minimum Humidity 48 to 58 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 54 to 64. Highs 72 to 82.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 70 to 80.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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