Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
430
FNUS55 KTWC 232223
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
323 PM MST Sun Aug 23 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 through Monday,
with the exception of along the NM border where mainly dry
conditions are expected. Thereafter, reduced chances for
thunderstorm activity for most of southeast Arizona for the rest
of the work week, though some isolated storms will continue
along the immediate Int`l border and White Mountain region.
Temperatures will remain well above normal through most of the
week with Monday being the coolest day of the period. Drier
conditions will return in the middle of the week with minimum
relative humidity values mainly 10-18 percent in the valleys
and 20-30 percent in the mountains. Winds will generally remain
less than 15 mph and terrain driven through the week.
AZZ150-241615-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
323 PM MST Sun Aug 23 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........74 to 84 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 21 to 25 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Northeast 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........97 to 107 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............8586 ft AGL.
* Transport winds..........Southwest 9 knots shifting to the
northwest 8 knots in the afternoon.
* Ventilation Category.....Good (68688 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........75 to 85 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............48 to 58 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........101 to 111 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............14 to 24 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............14301 ft AGL.
* Transport winds..........Northwest 6 to 8 knots.
* Ventilation Category.....Excellent (114408 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 78 to 88. Highs 102 to 112. Light
winds. Minimum Humidity 11 to 21 pct.
.THURSDAY...Partly cloudy. Lows 78 to 88. Highs 102 to 112. Light
winds. Minimum Humidity 12 to 22 pct.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 78 to 88. Highs 102 to 112. Light winds.
Minimum Humidity 12 to 22 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 77 to 87. Highs 101 to 111.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 77 to 87. 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)
$$
AZZ151-241615-
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-
323 PM MST Sun Aug 23 2026
.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..........66 to 76 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............67 to 77 pct.
24 hr Trend...........Up 36 to 40 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Northeast 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........92 to 102 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............8111 ft AGL.
* Transport winds..........Northwest 7 knots shifting to the
northeast 9 knots in the afternoon.
* Ventilation Category.....Very good (72999 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............55 to 65 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........95 to 105 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming north around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............12291 ft AGL.
* Transport winds..........Northeast 8 knots.
* Ventilation Category.....Very good (98328 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 70 to 80. Highs 96 to 106. Light
winds. Minimum Humidity 15 to 25 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. Highs 96 to 106. Light winds.
Minimum Humidity 14 to 24 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 96 to 106. Light winds.
Minimum Humidity 15 to 25 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 95 to 105.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 93 to 103.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-241615-
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-
323 PM MST Sun Aug 23 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (55-65 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............52 to 62 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
northwest after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........95 to 105 degs.
24 hr Trend...........Little change.
* Min Humidity.............15 to 25 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the
south in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............11179 ft AGL.
* Transport winds..........Northwest 7 knots shifting to the
southeast 9 knots in the afternoon.
* Ventilation Category.....Excellent (100611 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............44 to 54 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........97 to 107 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............12 to 22 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
east in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............12914 ft AGL.
* Transport winds..........Northeast 7 knots shifting to the
southeast 8 knots in the afternoon.
* Ventilation Category.....Excellent (103312 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 69 to 79. Highs 97 to 107. Light
winds. Minimum Humidity 10 to 20 pct.
.THURSDAY...Mostly clear. Lows 70 to 80. Highs 97 to 107. Light
winds. Minimum Humidity 11 to 21 pct.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 97 to 107. Light winds.
Minimum Humidity 12 to 22 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 96 to 106.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 95 to 105.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-241615-
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-
323 PM MST Sun Aug 23 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (60-70 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Little change.
* Max Humidity.............44 to 54 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..North around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (45-55 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Little change.
* Min Humidity.............16 to 26 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
southwest in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............12332 ft AGL.
* Transport winds..........Northeast 8 knots shifting to the south
in the afternoon.
* Ventilation Category.....Very good (98656 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
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 to 4 degs.
* Max Humidity.............43 to 53 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the
north after midnight.
* 10000 ft MSL Wind........South 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (25-35 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............15 to 25 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
south in the afternoon.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............14066 ft AGL.
* Transport winds..........Northeast 9 knots shifting to the south
8 knots in the afternoon.
* Ventilation Category.....Excellent (112528 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Partly cloudy. Lows 61 to 71. Highs 87 to 97. North
wind around 15 mph. Minimum Humidity 14 to 24 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 86 to 96. North wind around
15 mph. Minimum Humidity 17 to 27 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 86 to 96. Light winds.
Minimum Humidity 16 to 26 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 86 to 96.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 85 to 95.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-241615-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
323 PM MST Sun Aug 23 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (55-65 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............55 to 65 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
northwest after midnight.
* 10000 ft MSL Wind........East 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........83 to 93 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............12708 ft AGL.
* Transport winds..........North 8 knots shifting to the east 9
knots in the afternoon.
* Ventilation Category.....Excellent (114372 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............46 to 56 pct.
24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
partly cloudy (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............18 to 28 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............15460 ft AGL.
* Transport winds..........Northeast 8 knots shifting to the east
10 knots in the afternoon.
* Ventilation Category.....Excellent (154600 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly clear. Lows 64 to 74. Highs 86 to 96.
Northeast wind around 15 mph. Minimum Humidity 16 to 26 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 86 to 96. Light winds.
Minimum Humidity 16 to 26 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 85 to 95. Light winds.
Minimum Humidity 17 to 27 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 85 to 95.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 83 to 93.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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