Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
605
FNUS55 KTWC 192116
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
216 PM MST Tue Aug 19 2025
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.DISCUSSION...
Expect daily chances for thunderstorms and wetting rain showers
into next week. Min RHs will generally be 15-20 percent in the
lower elevations and 20-30 in the mountains. Winds will generally
be less than 15 mph with typical afternoon gusts up to 20 mph into
next week. Temperatures will be above normal this week, with an
Extreme Heat Warning in the lower elevations of Southeast Arizona
Wednesday through Friday.
AZZ150-201430-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
216 PM MST Tue Aug 19 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..........75 to 85 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............33 to 43 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........East 5 to 10 mph.
.WEDNESDAY...
* 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..........100 to 110 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Up 1 pct.
* 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............11417 ft AGL.
* Transport winds..........East 8 knots.
* Ventilation Category.....Very good (91336 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........76 to 86 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............41 to 51 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
partly cloudy (25-35 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........100 to 110 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............16 to 26 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............13150 ft AGL.
* Transport winds..........Southeast 12 to 14 knots.
* Ventilation Category.....Excellent (184100 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 76 to 86. Highs 99 to 109. Light winds. Minimum Humidity
16 to 26 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 75 to 85. Highs 98 to 108. Light winds. Minimum Humidity
18 to 28 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 74 to 84. Highs 97 to 107. Light winds. Minimum Humidity
19 to 29 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 73 to 83. Highs 91 to 101.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 71 to 81. Highs 89 to 99.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-201430-
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-
216 PM MST Tue Aug 19 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..........67 to 77 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............57 to 67 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
.WEDNESDAY...
* 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..........91 to 101 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............10656 ft AGL.
* Transport winds..........East 11 knots.
* Ventilation Category.....Excellent (117216 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct) then becoming
partly cloudy (25-35 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
partly cloudy (30-40 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...........Up 1 deg.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............12598 ft AGL.
* Transport winds..........East 15 to 17 knots.
* Ventilation Category.....Excellent (214166 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 92 to 102. Light winds. Minimum Humidity
19 to 29 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 92 to 102. Light winds. Minimum Humidity
18 to 28 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 91 to 101. Light winds.
Minimum Humidity 18 to 28 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 86 to 96.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 83 to 93.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-201430-
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-
216 PM MST Tue Aug 19 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct) then becoming
partly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct) then becoming
mostly cloudy (45-55 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...........Little change.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............8709 ft AGL.
* Transport winds..........East 13 to 14 knots.
* Ventilation Category.....Excellent (121926 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Little change.
* Max Humidity.............57 to 67 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (10-20 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..........90 to 100 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............10338 ft AGL.
* Transport winds..........East 14 to 15 knots.
* Ventilation Category.....Excellent (155070 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 91 to 101. Light winds.
Minimum Humidity 18 to 28 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 91 to 101. Light winds.
Minimum Humidity 14 to 24 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 90 to 100. Light winds.
Minimum Humidity 16 to 26 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 87 to 97.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 84 to 94.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-201430-
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-
216 PM MST Tue Aug 19 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (65-75 pct) then becoming
partly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............67 to 77 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
mostly cloudy (50-60 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Little change.
* Min Humidity.............34 to 44 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............9502 ft AGL.
* Transport winds..........East 11 knots.
* Ventilation Category.....Excellent (104522 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 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.............65 to 75 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
mostly cloudy (60-70 pct). Showers and
thunderstorms likely.
* Chance of Precip.........60 pct.
* Chance of Thunder........60 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Little change.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
in the afternoon.
* 10000 ft MSL Wind........East around 10 mph shifting to the
southeast in the afternoon.
* Mixing height............10178 ft AGL.
* Transport winds..........East 10 to 11 knots.
* Ventilation Category.....Excellent (111958 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 81 to 91. Light winds. Minimum Humidity
24 to 34 pct.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 81 to 91. Light winds. Minimum Humidity
19 to 29 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 79 to 89. Light winds. Minimum Humidity
20 to 30 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 78 to 88.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 56 to 66. Highs 74 to 84.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-201430-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
216 PM MST Tue Aug 19 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 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 1 deg.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............8820 ft AGL.
* Transport winds..........East 13 to 14 knots.
* Ventilation Category.....Excellent (119070 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Little change.
* Max Humidity.............58 to 68 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (10-20 pct) then becoming
partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 15 to 20 mph.
* Mixing height............10756 ft AGL.
* Transport winds..........East 15 to 17 knots.
* Ventilation Category.....Excellent (172096 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 81 to 91. Light winds.
Minimum Humidity 23 to 33 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 81 to 91. Light winds.
Minimum Humidity 20 to 30 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 80 to 90. Light winds.
Minimum Humidity 21 to 31 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 77 to 87.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 73 to 83.
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