


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
350 FNUS55 KTWC 302049 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 149 PM 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 southern and 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. AZZ150-311430- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 149 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/Weather..............Mostly clear (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........72 to 82 degs. 24 hr Trend...........Little change. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming partly cloudy (30-40 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........98 to 108 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............15 to 25 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............12307 ft AGL. * Transport winds..........Southeast 7 knots shifting to the northwest in the afternoon. * Ventilation Category.....Very good (86149 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........74 to 84 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............47 to 57 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........East 10 to 15 mph. .LABOR DAY... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........95 to 105 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........East 15 to 20 mph. * Mixing height............10996 ft AGL. * Transport winds..........Southeast 11 to 14 knots. * Ventilation Category.....Excellent (153944 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 74 to 84. Highs 94 to 104. Light winds. Minimum Humidity 21 to 31 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 71 to 81. Highs 93 to 103. Light winds. Minimum Humidity 22 to 32 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 89 to 99. Light winds. Minimum Humidity 29 to 39 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 67 to 77. Highs 85 to 95. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 67 to 77. Highs 83 to 93. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-311430- 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- 149 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........64 to 74 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............46 to 56 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..North around 10 mph. * 10000 ft MSL Wind........Northeast around 10 mph shifting to the east after midnight. .SUNDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........90 to 100 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Up 1 to 4 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............11575 ft AGL. * Transport winds..........East 7 to 9 knots. * Ventilation Category.....Excellent (104175 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and thunderstorms in the evening. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........65 to 75 degs. 24 hr Trend...........Little change. * Max Humidity.............66 to 76 pct. 24 hr Trend...........Up 18 to 22 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........East 10 to 15 mph. .LABOR DAY... * Sky/Weather..............Partly cloudy (45-55 pct) then becoming 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 2 to 5 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 6 to 10 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........East 15 to 20 mph. * Mixing height............7643 ft AGL. * Transport winds..........East 14 to 15 knots. * Ventilation Category.....Excellent (114645 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 65 to 75. Highs 87 to 97. 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 22 to 32 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 85 to 95. Light winds. Minimum Humidity 29 to 39 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 81 to 91. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 79 to 89. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-311430- 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- 149 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms in the evening. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........64 to 74 degs. 24 hr Trend...........Little change. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the southwest after midnight. * 10000 ft MSL Wind........Northeast 5 to 10 mph. .SUNDAY... * Sky/Weather..............Partly cloudy (45-55 pct) then becoming mostly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............8133 ft AGL. * Transport winds..........Southeast 10 to 11 knots. * Ventilation Category.....Very good (89463 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and thunderstorms in the evening. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........64 to 74 degs. 24 hr Trend...........Little change. * Max Humidity.............67 to 77 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........East 10 to 15 mph. .LABOR DAY... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........East 15 to 20 mph. * Mixing height............6794 ft AGL. * Transport winds..........East 16 to 17 knots. * Ventilation Category.....Excellent (115498 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 64 to 74. Highs 85 to 95. 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 86 to 96. Light winds. Minimum Humidity 17 to 27 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 85 to 95. Light winds. Minimum Humidity 21 to 31 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 82 to 92. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 80 to 90. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-311430- 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- 149 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............47 to 57 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the northeast after midnight. * 10000 ft MSL Wind........North around 10 mph shifting to the east after midnight. .SUNDAY... * 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..........78 to 88 degs. 24 hr Trend...........Little change. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 5 to 9 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............10524 ft AGL. * Transport winds..........East 10 knots shifting to the south 8 knots in the afternoon. * Ventilation Category.....Very good (84192 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers and thunderstorms in the evening. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............71 to 81 pct. 24 hr Trend...........Up 24 to 28 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Northeast 10 to 15 mph. .LABOR DAY... * Sky/Weather..............Partly cloudy (45-55 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..........75 to 85 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............36 to 46 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............8557 ft AGL. * Transport winds..........East 12 to 15 knots. * Ventilation Category.....Excellent (128355 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 75 to 85. Light winds. Minimum Humidity 28 to 38 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. Highs 76 to 86. Light winds. Minimum Humidity 21 to 31 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. Highs 75 to 85. Light winds. Minimum Humidity 22 to 32 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 53 to 63. Highs 74 to 84. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 52 to 62. 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) $$ AZZ154-311430- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 149 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (45-55 pct). Slight chance of showers and thunderstorms in the evening. * Chance of Precip.........15 pct. * Chance of Thunder........15 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............49 to 59 pct. 24 hr Trend...........Down 11 to 15 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........Northeast 5 to 10 mph. .SUNDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Little change. * Min Humidity.............32 to 42 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............10136 ft AGL. * Transport winds..........East 10 to 11 knots. * Ventilation Category.....Excellent (106428 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and thunderstorms in the evening. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........58 to 68 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............69 to 79 pct. 24 hr Trend...........Up 16 to 20 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........East 15 to 20 mph. .LABOR DAY... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........74 to 84 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............39 to 49 pct. 24 hr Trend...........Up 6 to 10 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........East 15 to 20 mph. * Mixing height............9086 ft AGL. * Transport winds..........East 15 knots. * Ventilation Category.....Excellent (136290 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 75 to 85. East wind around 15 mph. Minimum Humidity 28 to 38 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 75 to 85. Light winds. Minimum Humidity 23 to 33 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 75 to 85. Light winds. Minimum Humidity 30 to 40 pct. .FRIDAY...Mostly cloudy. Chance of thunderstorms and slight chance of showers. Lows 55 to 65. Highs 72 to 82. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. 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