


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
585 FNUS55 KTWC 160826 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 126 AM MST Sat Aug 16 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 around 25 percent in the lower elevations and 45+ percent in the mountains today. Sunday, min RHs will start to drop back down to the 15-20 percent in the lower locations and 20-30 in the mountains into the new week. Winds will generally be less than 15 mph with typical afternoon gusts up to 20 mph into next week. Monsoon moisture is projected to return late next week to provide higher chances for thunderstorms and rain showers. Temperatures will be around normal through this weekend, trending above normal the second half of next week. AZZ150-162300- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 126 AM MST Sat Aug 16 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Little change. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............9241 ft AGL. * Transport winds..........South 15 to 18 knots. * Ventilation Category.....Excellent (166338 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........69 to 79 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............48 to 58 pct. 24 hr Trend...........Down 12 to 16 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........South 10 to 15 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (25-35 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 3 to 6 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............8949 ft AGL. * Transport winds..........South 12 knots shifting to the southwest 8 knots in the afternoon. * Ventilation Category.....Very good (71592 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 71 to 81. Highs 95 to 105. Light winds. Minimum Humidity 13 to 23 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 73 to 83. Highs 97 to 107. Light winds. Minimum Humidity 16 to 26 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 75 to 85. Highs 100 to 110. Light winds. Minimum Humidity 16 to 26 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 76 to 86. Highs 102 to 112. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 77 to 87. Highs 101 to 111. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-162300- 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- 126 AM MST Sat Aug 16 2025 .TODAY... * Sky/Weather..............Partly cloudy (25-35 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..........84 to 94 degs. 24 hr Trend...........Little change. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........Southeast around 5 mph shifting to the southwest in the afternoon. * Mixing height............8503 ft AGL. * Transport winds..........Southwest 9 to 11 knots. * Ventilation Category.....Very good (93533 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........62 to 72 degs. 24 hr Trend...........Little change. * Max Humidity.............69 to 79 pct. 24 hr Trend...........Down 10 to 14 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph. * 10000 ft MSL Wind........West around 10 mph shifting to the northeast after midnight. .SUNDAY... * Sky/Weather..............Partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........86 to 96 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............26 to 36 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........Southeast around 5 mph shifting to the northeast in the afternoon. * Mixing height............8137 ft AGL. * Transport winds..........North 6 to 10 knots. * Ventilation Category.....Very good (81370 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 64 to 74. Highs 89 to 99. Light winds. Minimum Humidity 20 to 30 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 90 to 100. Light winds. Minimum Humidity 22 to 32 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds. Minimum Humidity 22 to 32 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 67 to 77. Highs 94 to 104. .FRIDAY...Partly cloudy. 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) $$ AZZ152-162300- 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- 126 AM MST Sat Aug 16 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly cloudy (55-65 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........84 to 94 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........Southwest around 5 mph shifting to the west in the afternoon. * Mixing height............6321 ft AGL. * Transport winds..........West 8 to 11 knots. * Ventilation Category.....Good (69531 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (55-65 pct) then becoming partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........62 to 72 degs. 24 hr Trend...........Little change. * Max Humidity.............67 to 77 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northwest 5 to 10 mph. .SUNDAY... * 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..........87 to 97 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............23 to 33 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........East around 5 mph shifting to the north in the afternoon. * Mixing height............7211 ft AGL. * Transport winds..........Northwest 9 to 11 knots. * Ventilation Category.....Very good (79321 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 89 to 99. Light winds. Minimum Humidity 19 to 29 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 89 to 99. Light winds. Minimum Humidity 24 to 34 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 91 to 101. Light winds. Minimum Humidity 20 to 30 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 66 to 76. Highs 92 to 102. .FRIDAY...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) $$ AZZ153-162300- 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- 126 AM MST Sat Aug 16 2025 .TODAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming mostly cloudy (65-75 pct). Chance of showers and thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........50 pct. * Max Temperature..........75 to 85 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............32 to 42 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........West 5 to 10 mph. * Mixing height............7926 ft AGL. * Transport winds..........Northwest 7 to 11 knots. * Ventilation Category.....Very good (87186 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Little change. * Max Humidity.............65 to 75 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northwest 5 to 10 mph. .SUNDAY... * Sky/Weather..............Partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Down 3 to 7 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 southwest in the afternoon. * Mixing height............9764 ft AGL. * Transport winds..........North 9 knots shifting to the west 10 knots in the afternoon. * Ventilation Category.....Very good (97640 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 57 to 67. Highs 80 to 90. Light winds. Minimum Humidity 22 to 32 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 80 to 90. Light winds. Minimum Humidity 25 to 35 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 82 to 92. Light winds. Minimum Humidity 24 to 34 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 82 to 92. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 59 to 69. Highs 81 to 91. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-162300- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 126 AM MST Sat Aug 16 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (70-80 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........20 pct. * Max Temperature..........73 to 83 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............44 to 54 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........Southeast around 5 mph shifting to the west in the afternoon. * Mixing height............7599 ft AGL. * Transport winds..........West 8 knots. * Ventilation Category.....Good (60792 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........57 to 67 degs. 24 hr Trend...........Little change. * Max Humidity.............70 to 80 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........West around 10 mph shifting to the north after midnight. .SUNDAY... * Sky/Weather..............Partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........76 to 86 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............35 to 45 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........East around 5 mph shifting to the north in the afternoon. * Mixing height............7919 ft AGL. * Transport winds..........Northwest 8 knots. * Ventilation Category.....Good (63352 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 59 to 69. Highs 78 to 88. Light winds. Minimum Humidity 27 to 37 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 79 to 89. Light winds. Minimum Humidity 33 to 43 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 81 to 91. Light winds. Minimum Humidity 29 to 39 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 61 to 71. Highs 82 to 92. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 61 to 71. Highs 82 to 92. 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