Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
590
FNUS55 KTWC 122041
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
141 PM MST Sat Sep 12 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.DISCUSSION...
A typical isolated to scattered coverage of storms
is forecast this weekend into next week. High temperatures will will
fluctuate between near normal and a few degrees below normal.
Min RH values mainly 20 to 45 percent in the valleys and 35 to 65
percent in the mountains over the next week. RH recoveries will
continue to be excellent overnight. Winds will generally remain less
than 15 mph and terrain driven. Gusty and erratic winds will
accompany thunderstorms.
AZZ150-131415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
141 PM MST Sat Sep 12 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............65 to 75 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.SUNDAY...
* 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..........92 to 102 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............8155 ft AGL.
* Transport winds..........South 9 knots.
* Ventilation Category.....Very good (73395 knot-ft).
.SUNDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........72 to 82 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
after midnight.
* 10000 ft MSL Wind........South 10 to 15 mph.
.MONDAY...
* 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..........92 to 102 degs.
24 hr Trend...........Little change.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
* Mixing height............7592 ft AGL.
* Transport winds..........South 15 knots.
* Ventilation Category.....Excellent (113880 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. Highs 90 to 100. South wind around
15 mph. Minimum Humidity 31 to 41 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 90 to 100. Light winds.
Minimum Humidity 31 to 41 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. Highs 92 to 102. Light winds.
Minimum Humidity 27 to 37 pct.
.FRIDAY...Mostly clear. Lows 71 to 81. Highs 95 to 105.
.SATURDAY...Mostly clear. Lows 72 to 82. Highs 95 to 105.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-131415-
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-
141 PM MST Sat Sep 12 2026
.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..........63 to 73 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............77 to 87 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.SUNDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............37 to 47 pct.
24 hr Trend...........Down 8 to 12 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............7105 ft AGL.
* Transport winds..........South 5 to 8 knots.
* Ventilation Category.....Good (56840 knot-ft).
.SUNDAY NIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Little change.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........South 5 to 10 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (60-70 pct). Chance of
thunderstorms and slight chance of
showers.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............40 to 50 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............7231 ft AGL.
* Transport winds..........Southwest 9 to 10 knots.
* Ventilation Category.....Very good (72310 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 82 to 92. South wind around 15 mph. Minimum
Humidity 40 to 50 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 81 to 91. Light winds. Minimum Humidity
41 to 51 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 83 to 93. Light winds.
Minimum Humidity 36 to 46 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 85 to 95.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 85 to 95.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-131415-
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-
141 PM MST Sat Sep 12 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............71 to 81 pct.
24 hr Trend...........Down 1 to 4 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.
.SUNDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........88 to 98 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............31 to 41 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........South 10 to 15 mph.
* Mixing height............5991 ft AGL.
* Transport winds..........Southwest 5 to 9 knots.
* Ventilation Category.....Good (53919 knot-ft).
.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Little change.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest around 5 mph increasing to
south around 15 mph after midnight.
.MONDAY...
* Sky/Weather..............Mostly cloudy (45-55 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............36 to 46 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............4952 ft AGL.
* Transport winds..........South 7 knots shifting to the west 11
knots in the afternoon.
* Ventilation Category.....Good (54472 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 82 to 92. Light winds. Minimum Humidity
40 to 50 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 81 to 91. Light winds. Minimum Humidity
41 to 51 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 81 to 91. Light winds. Minimum Humidity
37 to 47 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 82 to 92.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 82 to 92.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-131415-
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-
141 PM MST Sat Sep 12 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............68 to 78 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the
southwest after midnight.
.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..........79 to 89 degs.
24 hr Trend...........Little change.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Down 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............7842 ft AGL.
* Transport winds..........Northwest 8 knots shifting to the
southwest 10 knots in the afternoon.
* Ventilation Category.....Very good (78420 knot-ft).
.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............71 to 81 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........South 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (65-75 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........76 to 86 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............6050 ft AGL.
* Transport winds..........South 8 knots shifting to the west 11
knots in the afternoon.
* Ventilation Category.....Good (66550 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 74 to 84. Light winds. Minimum Humidity
41 to 51 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 72 to 82. Light winds. Minimum Humidity
44 to 54 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 54 to 64. Highs 72 to 82. Light winds. Minimum Humidity
42 to 52 pct.
.FRIDAY...Mostly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 53 to 63. Highs 73 to 83.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 53 to 63. Highs 73 to 83.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-131415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
141 PM MST Sat Sep 12 2026
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........East around 5 mph shifting to the
southeast after midnight.
.SUNDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........76 to 86 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............42 to 52 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........South 10 to 15 mph.
* Mixing height............8181 ft AGL.
* Transport winds..........Southwest 5 to 8 knots.
* Ventilation Category.....Good (53176 knot-ft).
.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 5 to 10 mph.
.MONDAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........70 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........74 to 84 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............49 to 59 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest around 15 mph decreasing to
around 5 mph in the afternoon.
* Mixing height............6099 ft AGL.
* Transport winds..........Southwest 7 to 9 knots.
* Ventilation Category.....Good (48792 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81. Light winds. Minimum Humidity
52 to 62 pct.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 71 to 81. Light winds. Minimum Humidity
54 to 64 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 71 to 81. Light winds. Minimum Humidity
51 to 61 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 56 to 66. Highs 73 to 83.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 57 to 67. Highs 72 to 82.
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