Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
586
FNUS55 KTWC 201911
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
1211 PM MST Sun Sep 20 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.DISCUSSION...A modest increase in moisture today will bring
minimum relative humidity values up to 20-30 percent in the
lower elevations and above 30 percent in the mountains. An
isolated shower can`t be ruled out this afternoon with the
potential for a gusty downburst wind to 35 mph. Moisture values
will increase 10-20+ percent, especially in Graham, Greenlee,
and Cochise counties, Tuesday through the end of the week.
Chances for showers and thunderstorms will also arrive daily
with this moisture increase. Gusty and erratic winds will
accompany any thunderstorms.
AZZ150-211415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
1211 PM MST Sun Sep 20 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........68 to 78 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............55 to 65 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Little change.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............11037 ft AGL.
* Transport winds..........South 14 to 15 knots.
* Ventilation Category.....Excellent (165555 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............46 to 56 pct.
24 hr Trend...........Down 13 to 17 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 15 to 20 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..........89 to 99 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........South 20 to 25 mph.
* Mixing height............6716 ft AGL.
* Transport winds..........South 8 to 9 knots.
* Ventilation Category.....Good (60444 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 67 to 77. Highs 88 to 98. Southeast wind
around 15 mph. Minimum Humidity 28 to 38 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 28 to 38 pct.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 89 to 99. Southeast wind
around 15 mph. Minimum Humidity 26 to 36 pct.
.SATURDAY...Partly cloudy. Lows 70 to 80. Highs 90 to 100.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. 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)
$$
AZZ151-211415-
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-
1211 PM MST Sun Sep 20 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............61 to 71 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............24 to 34 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............8809 ft AGL.
* Transport winds..........South 8 to 10 knots.
* Ventilation Category.....Very good (88090 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............59 to 69 pct.
24 hr Trend...........Up 11 to 15 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............34 to 44 pct.
24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............8265 ft AGL.
* Transport winds..........Southeast 7 to 10 knots.
* Ventilation Category.....Very good (82650 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 60 to 70. Highs 79 to 89. East wind around 20 mph. Minimum
Humidity 40 to 50 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 79 to 89. East wind around 15 mph. Minimum
Humidity 40 to 50 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 80 to 90. Southeast wind
around 15 mph. Minimum Humidity 36 to 46 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 82 to 92.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 62 to 72. Highs 82 to 92.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-211415-
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-
1211 PM MST Sun Sep 20 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............49 to 59 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 5 to 10 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........84 to 94 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)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............9576 ft AGL.
* Transport winds..........East 5 knots shifting to the southwest 9
knots in the afternoon.
* Ventilation Category.....Very good (86184 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (55-65 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............51 to 61 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest around 5 mph shifting to the
southeast after midnight.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 11 to 15 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............5057 ft AGL.
* Transport winds..........Southeast 10 to 13 knots.
* Ventilation Category.....Good (65741 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 60 to 70. Highs 76 to 86. East wind around 25 mph. Minimum
Humidity 44 to 54 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 76 to 86. East wind around 20 mph. Minimum
Humidity 43 to 53 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 78 to 88. East wind around
20 mph. Minimum Humidity 39 to 49 pct.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 79 to 89.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 61 to 71. Highs 80 to 90.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-211415-
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-
1211 PM MST Sun Sep 20 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........52 to 62 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............49 to 59 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the north
after midnight.
* 10000 ft MSL Wind........West 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........72 to 82 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............9492 ft AGL.
* Transport winds..........Northeast 7 knots shifting to the
southwest 9 knots in the afternoon.
* Ventilation Category.....Very good (85428 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (50-60 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Up 2 to 5 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 (70-80 pct). Chance of
thunderstorms and slight chance of
showers.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........68 to 78 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............7502 ft AGL.
* Transport winds..........Southeast 11 to 12 knots.
* Ventilation Category.....Very good (90024 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 64 to 74. East wind around 20 mph. Minimum
Humidity 54 to 64 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 50 to 60. Highs 65 to 75. East wind around 15 mph. Minimum
Humidity 50 to 60 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 51 to 61. Highs 67 to 77. East wind around 15 mph. Minimum
Humidity 45 to 55 pct.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 51 to 61. Highs 68 to 78.
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 52 to 62. Highs 69 to 79.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-211415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
1211 PM MST Sun Sep 20 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............51 to 61 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........74 to 84 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Little change.
* 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............10620 ft AGL.
* Transport winds..........South 7 to 9 knots.
* Ventilation Category.....Very good (84960 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (55-65 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............53 to 63 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southwest around 5 mph shifting to the
southeast after midnight.
.TUESDAY...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
thunderstorms and slight chance of
showers.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........70 to 80 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............42 to 52 pct.
24 hr Trend...........Up 13 to 17 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............7485 ft AGL.
* Transport winds..........Southeast 9 to 10 knots.
* Ventilation Category.....Very good (71107 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 53 to 63. Highs 67 to 77. East wind around 20 mph. Minimum
Humidity 56 to 66 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 67 to 77. East wind around 15 mph. Minimum
Humidity 54 to 64 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 53 to 63. Highs 69 to 79. East wind around
15 mph. Minimum Humidity 50 to 60 pct.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 70 to 80.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 71 to 81.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson