Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
285
FNUS55 KTWC 172031
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
131 PM MST Sun Aug 17 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.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 to 30 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.
AZZ150-181445-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
131 PM MST Sun Aug 17 2025
.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..........72 to 82 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............44 to 54 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........South around 5 mph shifting to the
southeast after midnight.
.MONDAY...
* 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..........94 to 104 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............18 to 28 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............8896 ft AGL.
* Transport winds..........Southwest 10 knots shifting to the
northwest 7 knots in the afternoon.
* Ventilation Category.....Good (62272 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (45-55 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...........Up 2 to 5 degs.
* Max Humidity.............42 to 52 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
after midnight.
* 10000 ft MSL Wind........East 10 to 15 mph.
.TUESDAY...
* 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..........97 to 107 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Little change.
* 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............9789 ft AGL.
* Transport winds..........East 6 to 7 knots.
* Ventilation Category.....Good (68523 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 76 to 86. Highs 100 to 110. Light winds. Minimum Humidity
17 to 27 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 101 to 111. Light winds.
Minimum Humidity 15 to 22 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 76 to 86. Highs 100 to 110. Light winds. Minimum Humidity
16 to 26 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 75 to 85. Highs 98 to 108.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 75 to 85. Highs 97 to 107.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-181445-
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-
131 PM MST Sun Aug 17 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (50-60 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.............60 to 70 pct.
24 hr Trend...........Down 13 to 17 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northeast 10 to 15 mph.
.MONDAY...
* 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..........88 to 98 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............21 to 31 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 5 to 10 mph.
* Mixing height............8398 ft AGL.
* Transport winds..........West 7 knots shifting to the north 9
knots in the afternoon.
* Ventilation Category.....Very good (75582 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........65 to 75 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
after midnight.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming northeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............10079 ft AGL.
* Transport winds..........East 6 to 7 knots.
* Ventilation Category.....Very good (70553 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 66 to 76. Highs 92 to 102. Light winds. Minimum Humidity
21 to 31 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 93 to 103. Light winds.
Minimum Humidity 18 to 28 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 93 to 103. Light winds. Minimum Humidity
18 to 28 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 66 to 76. Highs 92 to 102.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 92 to 102.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-181445-
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-
131 PM MST Sun Aug 17 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 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.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.MONDAY...
* 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..........90 to 100 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Little change.
* 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............8681 ft AGL.
* Transport winds..........West 7 knots shifting to the east 8
knots in the afternoon.
* Ventilation Category.....Good (69448 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (30-40 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..........91 to 101 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............7604 ft AGL.
* Transport winds..........East 7 to 10 knots.
* Ventilation Category.....Very good (76040 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 66 to 76. Highs 91 to 101. Light winds.
Minimum Humidity 21 to 31 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds.
Minimum Humidity 18 to 28 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 93 to 103. Light winds.
Minimum Humidity 18 to 28 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 90 to 100.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-181445-
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-
131 PM MST Sun Aug 17 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (45-55 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...........Up 1 to 4 degs.
* Max Humidity.............45 to 55 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the north
after midnight.
* 10000 ft MSL Wind........North 5 to 10 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (30-40 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............22 to 32 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........Northeast around 10 mph shifting to the
southeast in the afternoon.
* Mixing height............10867 ft AGL.
* Transport winds..........East 7 to 9 knots.
* Ventilation Category.....Very good (97803 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct) then becoming
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..........58 to 68 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Southwest around 5 mph shifting to the
northwest after midnight.
.TUESDAY...
* Sky/Weather..............Partly cloudy (20-30 pct) then becoming
mostly cloudy (70-80 pct). Showers and
thunderstorms likely.
* Chance of Precip.........70 pct.
* Chance of Thunder........70 pct.
* Max Temperature..........81 to 91 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............28 to 38 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Northeast around 10 mph shifting to the
southeast in the afternoon.
* Mixing height............10472 ft AGL.
* Transport winds..........East 8 to 10 knots.
* Ventilation Category.....Excellent (104720 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 59 to 69. Highs 81 to 91. Light winds. Minimum Humidity
26 to 36 pct.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 82 to 92. Light winds. Minimum Humidity
22 to 32 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 82 to 92. Light winds. Minimum Humidity
22 to 32 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 81 to 91.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 79 to 89.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-181445-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
131 PM MST Sun Aug 17 2025
.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.............54 to 64 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northeast 10 to 15 mph.
.MONDAY...
* Sky/Weather..............Partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds becoming northeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............8845 ft AGL.
* Transport winds..........Northwest 7 knots shifting to the
northeast 8 knots in the afternoon.
* Ventilation Category.....Very good (70760 knot-ft).
.MONDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct). Chance of
thunderstorms and slight chance of
showers.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............61 to 71 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (65-75 pct). Showers
likely and chance of thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............34 to 44 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............8951 ft AGL.
* Transport winds..........East 7 to 8 knots.
* Ventilation Category.....Good (67132 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 61 to 71. Highs 80 to 90. Light winds. Minimum Humidity
28 to 38 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 82 to 92. Light winds.
Minimum Humidity 22 to 32 pct.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 82 to 92. Light winds. Minimum Humidity
23 to 33 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 81 to 91.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 80 to 90.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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