Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
986
FNUS55 KTWC 170814
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
114 AM MST Sun Aug 17 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Expect daily chances for thunderstorms and wetting
rain showers into early next week. There is a potential for heavy
rainfall this afternoon across Santa Cruz and south central Pima
county. Min RHs will generally be around 25 percent in the lower
elevations and 45+ percent in the mountains today, generally
lowering to 15-20 percent in the lower elevations and 20-30 in
the mountains by the middle of next week. Winds will generally be
less than 15 mph with typical afternoon gusts up to 20 mph into
next week. Temperatures will be around normal through this
weekend, trending above normal the second half of next week.
AZZ150-172300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
114 AM MST Sun Aug 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (5-15 pct) then becoming
partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........93 to 103 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............9448 ft AGL.
* Transport winds..........Southwest 9 to 11 knots.
* Ventilation Category.....Excellent (103928 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........72 to 82 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............40 to 50 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
.MONDAY...
* 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..........95 to 105 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 3 to 7 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............8713 ft AGL.
* Transport winds..........South 8 knots shifting to the northwest
in the afternoon.
* Ventilation Category.....Good (69704 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 74 to 84. Highs 98 to 108. Light winds.
Minimum Humidity 16 to 26 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 101 to 111. Light winds.
Minimum Humidity 15 to 25 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 102 to 112. Light winds.
Minimum Humidity 14 to 22 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 77 to 87. Highs 101 to 111.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 76 to 86. 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)
$$
AZZ151-172300-
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-
114 AM MST Sun Aug 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............26 to 36 pct.
24 hr Trend...........Down 3 to 6 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............7558 ft AGL.
* Transport winds..........Northwest 6 to 10 knots.
* Ventilation Category.....Very good (75580 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............59 to 69 pct.
24 hr Trend...........Down 13 to 17 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 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 10 to 15 mph.
* Mixing height............7741 ft AGL.
* Transport winds..........Northwest 7 knots shifting to the north
9 knots in the afternoon.
* Ventilation Category.....Good (69669 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 66 to 76. Highs 91 to 101. Light winds. Minimum Humidity
21 to 31 pct.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 66 to 76. Highs 93 to 103. Light winds. Minimum Humidity
20 to 30 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 94 to 104. Light winds.
Minimum Humidity 16 to 26 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 94 to 104.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. 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)
$$
AZZ152-172300-
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-
114 AM MST Sun Aug 17 2025
.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..........88 to 98 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............9287 ft AGL.
* Transport winds..........Northwest 10 knots.
* Ventilation Category.....Very good (92870 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 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..........65 to 75 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Down 13 to 17 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the
southwest after midnight.
* 10000 ft MSL Wind........North around 5 mph shifting to the east
after midnight.
.MONDAY...
* 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..........90 to 100 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............18 to 28 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............6084 ft AGL.
* Transport winds..........Northwest 7 knots shifting to the east 9
knots in the afternoon.
* Ventilation Category.....Good (54756 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 91 to 101. Light winds. Minimum Humidity
19 to 29 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds.
Minimum Humidity 19 to 29 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 93 to 103. Light winds.
Minimum Humidity 16 to 26 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 93 to 103.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-172300-
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-
114 AM MST Sun Aug 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (35-45 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...........Up 3 to 6 degs.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............11076 ft AGL.
* Transport winds..........North 10 knots shifting to the west 9
knots in the afternoon.
* Ventilation Category.....Very good (99684 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........57 to 67 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............47 to 57 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the
northeast after midnight.
* 10000 ft MSL Wind........Northwest around 5 mph shifting to the
north after midnight.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............10423 ft AGL.
* Transport winds..........East 8 to 9 knots.
* Ventilation Category.....Very good (93807 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 82 to 92. Light winds. Minimum Humidity
22 to 32 pct.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 82 to 92. Light winds. Minimum Humidity
22 to 32 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 83 to 93. Light winds.
Minimum Humidity 21 to 31 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 83 to 93.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 82 to 92.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-172300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
114 AM MST Sun Aug 17 2025
.TODAY...
* 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.............32 to 42 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............9427 ft AGL.
* Transport winds..........Northwest 8 to 9 knots.
* Ventilation Category.....Very good (80129 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..........59 to 69 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............56 to 66 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds becoming north around 10 mph
in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............9007 ft AGL.
* Transport winds..........North 7 knots shifting to the northeast
8 knots in the afternoon.
* Ventilation Category.....Very good (72056 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 60 to 70. Highs 80 to 90. Light winds. Minimum Humidity
28 to 38 pct.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 81 to 91. Light winds. Minimum Humidity
27 to 37 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 82 to 92. Light winds.
Minimum Humidity 20 to 30 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 82 to 92.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 82 to 92.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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