


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
169 FNUS55 KTWC 300949 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 249 AM MST Sat Aug 30 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... A low-grade monsoon day is expected today with increasing chances in eastern locations tomorrow. Daily chances will continue through the upcoming week, with day to day variability. High temperatures will be near to slightly above normal through the weekend, with readings lowering to several degrees below normal by the second half of the work week. Winds over the next several days will generally remain less than 15 mph with typical afternoon gustiness. Min RHs will be in the 20-30 percent range in the lower elevations and 35-45 percent in the mountains. AZZ150-302215- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 249 AM MST Sat Aug 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........95 to 105 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........West 5 to 10 mph. * Mixing height............10262 ft AGL. * Transport winds..........Northwest 7 to 9 knots. * Ventilation Category.....Very good (92358 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........72 to 82 degs. 24 hr Trend...........Little change. * Max Humidity.............37 to 47 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest around 5 mph shifting to the southeast after midnight. .SUNDAY... * 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..........97 to 107 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds. * 10000 ft MSL Wind........Southeast 5 to 10 mph. * Mixing height............9839 ft AGL. * Transport winds..........South 6 knots shifting to the north 7 knots in the afternoon. * Ventilation Category.....Good (68873 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .LABOR DAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 74 to 84. Highs 95 to 105. Light winds. Minimum Humidity 23 to 33 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 73 to 83. Highs 94 to 104. Light winds. Minimum Humidity 21 to 31 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 72 to 82. Highs 92 to 102. Light winds. Minimum Humidity 26 to 36 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 69 to 79. Highs 89 to 99. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 67 to 77. Highs 85 to 95. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-302215- 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- 249 AM MST Sat Aug 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............9737 ft AGL. * Transport winds..........North 7 to 9 knots. * Ventilation Category.....Very good (87633 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...........Little change. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northeast around 10 mph shifting to the east after midnight. .SUNDAY... * Sky/Weather..............Partly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Little change. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming east around 10 mph in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............9406 ft AGL. * Transport winds..........East 9 to 10 knots. * Ventilation Category.....Very good (94060 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .LABOR DAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 65 to 75. Highs 86 to 96. East wind around 15 mph. Minimum Humidity 30 to 40 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 86 to 96. East wind around 15 mph. Minimum Humidity 24 to 34 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 86 to 96. Light winds. Minimum Humidity 26 to 36 pct. .THURSDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 62 to 72. Highs 84 to 94. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 80 to 90. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-302215- 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- 249 AM MST Sat Aug 30 2025 .TODAY... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........88 to 98 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)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............8499 ft AGL. * Transport winds..........North 7 to 9 knots. * Ventilation Category.....Very good (76491 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........64 to 74 degs. 24 hr Trend...........Little change. * Max Humidity.............53 to 63 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northeast 5 to 10 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........87 to 97 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............23 to 33 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........East 10 to 15 mph. * Mixing height............5537 ft AGL. * Transport winds..........East 12 knots. * Ventilation Category.....Good (66444 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .LABOR DAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 64 to 74. Highs 84 to 94. East wind around 15 mph. Minimum Humidity 31 to 41 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 84 to 94. East wind around 15 mph. Minimum Humidity 22 to 32 pct. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 61 to 71. Highs 85 to 95. Southeast wind around 15 mph. Minimum Humidity 19 to 29 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 85 to 95. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. 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) $$ AZZ153-302215- 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- 249 AM MST Sat Aug 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 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...........Little change. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........East around 5 mph shifting to the west in the afternoon. * Mixing height............10183 ft AGL. * Transport winds..........North 7 knots shifting to the west 8 knots in the afternoon. * Ventilation Category.....Very good (81464 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Little change. * Max Humidity.............46 to 56 pct. 24 hr Trend...........Down 11 to 15 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the northeast after midnight. * 10000 ft MSL Wind........Northwest around 10 mph shifting to the northeast after midnight. .SUNDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (60-70 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..East around 10 mph shifting to the south in the afternoon. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............9084 ft AGL. * Transport winds..........East 11 knots shifting to the south in the afternoon. * Ventilation Category.....Very good (99924 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .LABOR DAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 75 to 85. Light winds. Minimum Humidity 34 to 44 pct. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 75 to 85. Southeast wind around 15 mph. Minimum Humidity 26 to 36 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. Highs 75 to 85. Light winds. Minimum Humidity 25 to 35 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 53 to 63. Highs 75 to 85. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 52 to 62. 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) $$ AZZ154-302215- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 249 AM MST Sat Aug 30 2025 .TODAY... * Sky/Weather..............Mostly cloudy (50-60 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...........Little change. * Min Humidity.............29 to 39 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............9838 ft AGL. * Transport winds..........North 8 to 9 knots. * Ventilation Category.....Very good (83623 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........59 to 69 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........Northeast 5 to 10 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (55-65 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........77 to 87 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............35 to 45 pct. 24 hr Trend...........Up 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............9322 ft AGL. * Transport winds..........East 12 to 13 knots. * Ventilation Category.....Excellent (116525 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 74 to 84. East wind around 15 mph. Minimum Humidity 42 to 52 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 57 to 67. Highs 74 to 84. East wind around 15 mph. Minimum Humidity 29 to 39 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 75 to 85. Southeast wind around 15 mph. Minimum Humidity 27 to 37 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 74 to 84. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 65. Highs 70 to 80. 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