


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
694 FNUS55 KTWC 272032 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 132 PM MST Wed Aug 27 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... Expect daily chances for rain showers and thunderstorms into this upcoming weekend. Temperatures will be running near normal today becoming slightly above normal by the weekend. Winds will generally remain less than 15 mph with typical afternoon gustiness. Min RHs will be 25-35 percent in the low elevations and 40-55 percent in the mountains through Saturday then min RHs drop to 15-25 percent in the low elevations and to 20-35 percent in the mountains through Labor Day. AZZ150-281430- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 132 PM MST Wed Aug 27 2025 .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (40-50 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........71 to 81 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............59 to 69 pct. 24 hr Trend...........Down 11 to 15 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........South 5 to 10 mph. .THURSDAY... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........91 to 101 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............9055 ft AGL. * Transport winds..........Northwest 7 to 9 knots. * Ventilation Category.....Very good (81495 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..........71 to 81 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............53 to 63 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........South 10 to 15 mph. .FRIDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........Southwest 10 to 15 mph. * Mixing height............8474 ft AGL. * Transport winds..........Northwest 7 to 11 knots. * Ventilation Category.....Very good (93214 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 71 to 81. Highs 95 to 105. Light winds. Minimum Humidity 16 to 25 pct. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 72 to 82. Highs 96 to 106. Light winds. Minimum Humidity 16 to 26 pct. .LABOR DAY...Partly cloudy. Chance of showers and thunderstorms. Lows 73 to 83. Highs 94 to 104. Light winds. Minimum Humidity 22 to 32 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 72 to 82. Highs 93 to 103. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 71 to 81. Highs 92 to 102. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-281430- 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- 132 PM MST Wed Aug 27 2025 .TONIGHT... * 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..........63 to 73 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............68 to 78 pct. 24 hr Trend...........Down 10 to 14 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southeast 5 to 10 mph. .THURSDAY... * 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 2 to 5 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........South 5 to 10 mph. * Mixing height............8397 ft AGL. * Transport winds..........Northwest 6 knots shifting to the west 10 knots in the afternoon. * Ventilation Category.....Very good (83970 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........63 to 73 degs. 24 hr Trend...........Little change. * Max Humidity.............67 to 77 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........South 5 to 10 mph. .FRIDAY... * Sky/Weather..............Mostly sunny (20-30 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..........87 to 97 degs. 24 hr Trend...........Little change. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 15 mph in the afternoon. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............8716 ft AGL. * Transport winds..........Northwest 7 to 12 knots. * Ventilation Category.....Excellent (104592 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 64 to 74. Highs 89 to 99. Light winds. Minimum Humidity 20 to 30 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 89 to 99. East wind around 15 mph. Minimum Humidity 22 to 32 pct. .LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 85 to 95. East wind around 15 mph. Minimum Humidity 30 to 40 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 85 to 95. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 85 to 95. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-281430- 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- 132 PM MST Wed Aug 27 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........63 to 73 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............60 to 70 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .THURSDAY... * 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..........88 to 98 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........South 5 to 10 mph. * Mixing height............7551 ft AGL. * Transport winds..........West 6 to 11 knots. * Ventilation Category.....Very good (83061 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Mostly cloudy (45-55 pct) then becoming partly cloudy (40-50 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...........Up 1 deg. * Max Humidity.............61 to 71 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .FRIDAY... * 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..........88 to 98 degs. 24 hr Trend...........Little change. * Min Humidity.............23 to 33 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............8025 ft AGL. * Transport winds..........Northwest 9 to 13 knots. * Ventilation Category.....Excellent (104325 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 thunderstorms and slight chance of showers. Lows 63 to 73. Highs 89 to 99. Light winds. Minimum Humidity 18 to 28 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 87 to 97. East wind around 15 mph. Minimum Humidity 22 to 32 pct. .LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 82 to 92. East wind around 15 mph. Minimum Humidity 30 to 40 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 83 to 93. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. 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) $$ AZZ153-281430- 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- 132 PM MST Wed Aug 27 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............58 to 68 pct. 24 hr Trend...........Down 15 to 19 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........Northwest around 5 mph shifting to the south after midnight. .THURSDAY... * 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..........78 to 88 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 10 mph in the afternoon. * 10000 ft MSL Wind........South 5 to 10 mph. * Mixing height............9344 ft AGL. * Transport winds..........Northeast 8 knots shifting to the southwest 9 knots in the afternoon. * Ventilation Category.....Very good (84096 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Mostly cloudy (45-55 pct) then becoming partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............61 to 71 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........Southwest 10 to 15 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West 10 to 15 mph. * Mixing height............9766 ft AGL. * Transport winds..........West 10 to 13 knots. * Ventilation Category.....Excellent (126958 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 55 to 65. Highs 79 to 89. Light winds. Minimum Humidity 21 to 31 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 77 to 87. Light winds. Minimum Humidity 25 to 35 pct. .LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. Highs 73 to 83. Southeast wind around 15 mph. Minimum Humidity 35 to 45 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 54 to 64. Highs 73 to 83. .WEDNESDAY...Thunderstorms likely and chance of showers. Lows 54 to 64. Highs 73 to 83. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-281430- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 132 PM MST Wed Aug 27 2025 .TONIGHT... * 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..........58 to 68 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............60 to 70 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........East around 5 mph shifting to the south after midnight. .THURSDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........77 to 87 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............35 to 45 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........South 5 to 10 mph. * Mixing height............8682 ft AGL. * Transport winds..........West 7 to 10 knots. * Ventilation Category.....Very good (73797 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........58 to 68 degs. 24 hr Trend...........Little change. * Max Humidity.............63 to 73 pct. 24 hr Trend...........Up 6 to 10 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .FRIDAY... * Sky/Weather..............Partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........77 to 87 degs. 24 hr Trend...........Little change. * Min Humidity.............34 to 44 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............8623 ft AGL. * Transport winds..........Northwest 8 to 12 knots. * Ventilation Category.....Very good (86230 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 78 to 88. Light winds. Minimum Humidity 27 to 37 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 59 to 69. Highs 77 to 87. East wind around 15 mph. Minimum Humidity 33 to 43 pct. .LABOR DAY...Showers likely and chance of thunderstorms. Lows 57 to 67. Highs 72 to 82. East wind around 15 mph. Minimum Humidity 43 to 53 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 73 to 83. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 74 to 84. 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