Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
920
FNUS55 KTWC 031027
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
327 AM MST Wed Sep 3 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...
Driest minimum relative humidities today will be in the Gila
River Valley with 15-18 percent values this afternoon. Otherwise
humidities generally above 20-30 percent across southeastern
Arizona. Winds today will be light and terrain driven. Scattered
thunderstorms with chances for wetting rain possible for Santa
Cruz, Pima, and Pinal counties, as well as the White Mountains.
Moisture will increase further over the coming days bringing daily
widespread chances for showers and thunderstorms through
Saturday.
AZZ150-032215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
327 AM MST Wed Sep 3 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............10238 ft AGL.
* Transport winds..........South 9 to 11 knots.
* Ventilation Category.....Excellent (112618 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........69 to 79 degs.
24 hr Trend...........Little change.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Up 12 to 16 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............6067 ft AGL.
* Transport winds..........South 11 to 13 knots.
* Ventilation Category.....Very good (78871 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 66 to 76. Highs 81 to 91. Light winds. Minimum Humidity
47 to 57 pct.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 65 to 75. Highs 83 to 93. Light winds.
Minimum Humidity 41 to 51 pct.
.SUNDAY...Mostly clear. Lows 67 to 77. Highs 88 to 98. Light
winds. Minimum Humidity 30 to 40 pct.
.MONDAY...Clear. Lows 68 to 78. Highs 92 to 102.
.TUESDAY...Clear. Lows 68 to 78. Highs 94 to 104.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-032215-
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-
327 AM MST Wed Sep 3 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............6857 ft AGL.
* Transport winds..........Southeast 8 to 11 knots.
* Ventilation Category.....Very good (75427 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Little change.
* Max Humidity.............72 to 82 pct.
24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............43 to 53 pct.
24 hr Trend...........Up 15 to 19 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............4188 ft AGL.
* Transport winds..........South 8 to 12 knots.
* Ventilation Category.....Good (50256 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 74 to 84. Light winds. Minimum Humidity
55 to 65 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 77 to 87. Light winds. Minimum Humidity
47 to 57 pct.
.SUNDAY...Mostly clear. Lows 59 to 69. Highs 82 to 92. Light
winds. Minimum Humidity 35 to 45 pct.
.MONDAY...Clear. Lows 60 to 70. Highs 86 to 96.
.TUESDAY...Clear. Lows 60 to 70. Highs 88 to 98.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-032215-
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-
327 AM MST Wed Sep 3 2025
.TODAY...
* 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..........87 to 97 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast around 20 mph decreasing to
around 10 mph in the afternoon.
* Mixing height............10756 ft AGL.
* Transport winds..........Southeast 10 to 11 knots.
* Ventilation Category.....Excellent (118316 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Little change.
* Max Humidity.............59 to 69 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........82 to 92 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Up 11 to 15 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............6032 ft AGL.
* Transport winds..........Southwest 7 to 13 knots.
* Ventilation Category.....Very good (78416 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 74 to 84. Light winds. Minimum Humidity
49 to 59 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 78 to 88. Light winds. Minimum Humidity
42 to 52 pct.
.SUNDAY...Mostly clear. Lows 58 to 68. Highs 83 to 93. Light
winds. Minimum Humidity 28 to 38 pct.
.MONDAY...Clear. Lows 60 to 70. Highs 86 to 96.
.TUESDAY...Mostly clear. Lows 60 to 70. Highs 88 to 98.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-032215-
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-
327 AM MST Wed Sep 3 2025
.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..........77 to 87 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............11602 ft AGL.
* Transport winds..........Southeast 9 to 10 knots.
* Ventilation Category.....Excellent (116020 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........54 to 64 degs.
24 hr Trend...........Little change.
* Max Humidity.............52 to 62 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the
north after midnight.
* 10000 ft MSL Wind........South 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........75 to 85 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............10111 ft AGL.
* Transport winds..........Northeast 7 knots shifting to the south
in the afternoon.
* Ventilation Category.....Excellent (121332 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 68 to 78. Light winds. Minimum Humidity
44 to 54 pct.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 51 to 61. Highs 69 to 79. Light winds.
Minimum Humidity 47 to 57 pct.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 51 to 61. Highs 75 to 85. Light winds.
Minimum Humidity 30 to 40 pct.
.MONDAY...Mostly clear. Lows 52 to 62. Highs 77 to 87.
.TUESDAY...Mostly clear. Lows 52 to 62. Highs 77 to 87.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-032215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
327 AM MST Wed Sep 3 2025
.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..........76 to 86 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast around 20 mph decreasing to
around 10 mph in the afternoon.
* Mixing height............11016 ft AGL.
* Transport winds..........Southeast 11 to 12 knots.
* Ventilation Category.....Excellent (126684 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Little change.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
after midnight.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly cloudy (65-75 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........70 to 80 degs.
24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............44 to 54 pct.
24 hr Trend...........Up 18 to 22 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............7101 ft AGL.
* Transport winds..........Southwest 7 to 13 knots.
* Ventilation Category.....Very good (71010 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 54 to 64. Highs 63 to 73. Light winds. Minimum Humidity
65 to 75 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 52 to 62. Highs 67 to 77. Light winds. Minimum Humidity
57 to 67 pct.
.SUNDAY...Mostly clear. Lows 53 to 63. Highs 72 to 82. Light
winds. Minimum Humidity 41 to 51 pct.
.MONDAY...Mostly clear. Lows 55 to 65. Highs 76 to 86.
.TUESDAY...Mostly clear. Lows 55 to 65. Highs 77 to 87.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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