Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
767
FNUS55 KTWC 202057
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
157 PM MST Wed Aug 20 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 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
today through Friday.
AZZ150-211445-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
157 PM MST Wed Aug 20 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........76 to 86 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............41 to 51 pct.
24 hr Trend...........Up 2 to 5 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..........101 to 111 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............15 to 24 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............13330 ft AGL.
* Transport winds..........East 7 to 10 knots.
* Ventilation Category.....Excellent (133300 knot-ft).
.THURSDAY NIGHT...
* 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..........77 to 87 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............40 to 50 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (30-40 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........99 to 109 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 10 mph in the morning
becoming light.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............12726 ft AGL.
* Transport winds..........South 8 to 9 knots.
* Ventilation Category.....Excellent (114534 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 75 to 85. Highs 98 to 108. Light winds.
Minimum Humidity 17 to 27 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 75 to 85. Highs 98 to 108. Light winds. Minimum Humidity
16 to 26 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 73 to 83. Highs 94 to 104. Light winds. Minimum Humidity
23 to 33 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 71 to 81. Highs 90 to 100.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 70 to 80. 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)
$$
AZZ151-211445-
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-
157 PM MST Wed Aug 20 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Little change.
* Max Humidity.............57 to 67 pct.
24 hr Trend...........Down 2 to 5 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 (5-15 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..........93 to 103 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 10 to 15 mph.
* Mixing height............12782 ft AGL.
* Transport winds..........East 12 to 14 knots.
* Ventilation Category.....Excellent (178948 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Little change.
* Max Humidity.............48 to 58 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 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...........Little change.
* Min Humidity.............18 to 28 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............11024 ft AGL.
* Transport winds..........Southeast 9 knots.
* Ventilation Category.....Very good (99216 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 92 to 102. Light winds.
Minimum Humidity 17 to 27 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds.
Minimum Humidity 14 to 24 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 90 to 100. Light winds. Minimum Humidity
23 to 33 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 85 to 95.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 82 to 92.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-211445-
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-
157 PM MST Wed Aug 20 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (20-30 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Little change.
* Max Humidity.............56 to 66 pct.
24 hr Trend...........Down 5 to 9 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.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Little change.
* 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............10387 ft AGL.
* Transport winds..........East 13 to 14 knots.
* Ventilation Category.....Excellent (145418 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 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...........Little change.
* Max Humidity.............48 to 58 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 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..........92 to 102 degs.
24 hr Trend...........Little change.
* Min Humidity.............18 to 28 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............11596 ft AGL.
* Transport winds..........Southeast 9 to 10 knots.
* Ventilation Category.....Excellent (115960 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds.
Minimum Humidity 15 to 25 pct.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 91 to 101. East wind around
15 mph. Minimum Humidity 12 to 22 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 90 to 100. Light winds.
Minimum Humidity 17 to 27 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 86 to 96.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 82 to 92.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-211445-
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-
157 PM MST Wed Aug 20 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (20-30 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...........Up 1 deg.
* Max Humidity.............63 to 73 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Mostly sunny (10-20 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..........80 to 90 degs.
24 hr Trend...........Little change.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
in the afternoon.
* 10000 ft MSL Wind........North around 5 mph shifting to the
southeast in the afternoon.
* Mixing height............8528 ft AGL.
* Transport winds..........East 7 to 10 knots.
* Ventilation Category.....Very good (85280 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (25-35 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
mostly cloudy (50-60 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...........Up 1 deg.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............9656 ft AGL.
* Transport winds..........Southeast 8 to 9 knots.
* Ventilation Category.....Very good (86904 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 81 to 91. Light winds. Minimum Humidity
21 to 31 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 80 to 90. Light winds.
Minimum Humidity 18 to 28 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 79 to 89. Light winds. Minimum Humidity
20 to 30 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 76 to 86.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 71 to 81.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-211445-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
157 PM MST Wed Aug 20 2025
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 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...........Up 1 deg.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Down 6 to 10 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 (5-15 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..........81 to 91 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........East 10 to 15 mph.
* Mixing height............11001 ft AGL.
* Transport winds..........East 14 to 16 knots.
* Ventilation Category.....Excellent (165015 knot-ft).
.THURSDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 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.............44 to 54 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (15-25 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..........81 to 91 degs.
24 hr Trend...........Little change.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............11695 ft AGL.
* Transport winds..........East 10 knots.
* Ventilation Category.....Excellent (116950 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. 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 81 to 91. East wind around
15 mph. Minimum Humidity 17 to 27 pct.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 79 to 89. South wind around 15 mph. Minimum
Humidity 23 to 33 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 75 to 85.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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