


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
846 FNUS55 KTWC 242058 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 158 PM MST Sun Aug 24 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Expect daily chances for rain showers and thunderstorms through mid week with diminishing chances later in the week into next weekend. Temperatures will be running above normal again this afternoon with an Extreme Heat Warning in effect for the lower elevations. Winds will generally remain less than 15 mph with the afternoon gustiness this week. Min RHs will be 15-20 percent in the low elevations and 20-30 percent in the mountains through the weekend. Deep monsoon moisture early this week to provide higher wetting rain chances and coverage as well as better min RHs and below normal temperatures. AZZ150-251415- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 158 PM MST Sun Aug 24 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Min Temperature..........73 to 83 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............54 to 64 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........East 5 to 10 mph. .MONDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Patchy blowing dust. Chance of showers and slight chance of thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........20 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Down 4 to 8 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............9607 ft AGL. * Transport winds..........Southwest 13 knots shifting to the northwest in the afternoon. * Ventilation Category.....Excellent (124891 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly cloudy (70-80 pct). Patchy blowing dust. Chance of showers and thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........50 pct. * Min Temperature..........71 to 81 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............64 to 74 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..South around 20 mph decreasing to around 10 mph after midnight. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .TUESDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........20 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 10 mph in the afternoon. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............8842 ft AGL. * Transport winds..........Southwest 8 to 9 knots. * Ventilation Category.....Very good (79578 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 70 to 80. Highs 89 to 99. Light winds. Minimum Humidity 26 to 36 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 71 to 81. Highs 91 to 101. Light winds. Minimum Humidity 21 to 31 pct. .FRIDAY...Mostly clear. Lows 71 to 81. Highs 93 to 103. Light winds. Minimum Humidity 17 to 27 pct. .SATURDAY...Mostly clear. Lows 71 to 81. Highs 95 to 105. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 71 to 81. Highs 97 to 107. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-251415- 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- 158 PM MST Sun Aug 24 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..........65 to 75 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............58 to 68 pct. 24 hr Trend...........Up 13 to 17 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .MONDAY... * Sky/Weather..............Partly cloudy (20-30 pct) then becoming mostly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Up 11 to 15 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............8292 ft AGL. * Transport winds..........Southwest 9 knots shifting to the north 12 knots in the afternoon. * Ventilation Category.....Very good (99504 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Min Temperature..........63 to 73 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............73 to 83 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southeast 5 to 10 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (45-55 pct) then becoming mostly cloudy (75-85 pct). Showers likely and chance of thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........50 pct. * Max Temperature..........83 to 93 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............36 to 46 pct. 24 hr Trend...........Up 12 to 16 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............6535 ft AGL. * Transport winds..........Southwest 6 to 10 knots. * Ventilation Category.....Good (65350 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 84 to 94. Light winds. Minimum Humidity 30 to 40 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity 24 to 34 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 87 to 97. Light winds. Minimum Humidity 20 to 30 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 64 to 74. Highs 88 to 98. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 90 to 100. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-251415- 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- 158 PM MST Sun Aug 24 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 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.............39 to 49 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .MONDAY... * 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..........90 to 100 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............10230 ft AGL. * Transport winds..........Southeast 9 to 10 knots. * Ventilation Category.....Excellent (102300 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Min Temperature..........63 to 73 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............65 to 75 pct. 24 hr Trend...........Up 23 to 27 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (65-75 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 10 mph in the afternoon. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............7584 ft AGL. * Transport winds..........Southwest 7 to 11 knots. * Ventilation Category.....Very good (83424 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 85 to 95. Light winds. Minimum Humidity 26 to 36 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity 22 to 32 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 87 to 97. Light winds. Minimum Humidity 18 to 28 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 87 to 97. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 88 to 98. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-251415- 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- 158 PM MST Sun Aug 24 2025 .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...........Little change. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........South 10 to 15 mph. .MONDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Little change. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........South 5 to 10 mph. * Mixing height............10656 ft AGL. * Transport winds..........Southeast 8 to 9 knots. * Ventilation Category.....Very good (95904 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly cloudy (55-65 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............59 to 69 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the north after midnight. * 10000 ft MSL Wind........South 10 to 15 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (65-75 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 2 to 5 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Up 5 to 9 pct. * Wind (20 ft/10-min avg)..East around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9448 ft AGL. * Transport winds..........East 11 knots shifting to the south 14 knots in the afternoon. * Ventilation Category.....Excellent (132272 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Showers likely and chance of thunderstorms. Lows 55 to 65. Highs 74 to 84. Light winds. Minimum Humidity 33 to 43 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 76 to 86. Light winds. Minimum Humidity 27 to 37 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 77 to 87. Light winds. Minimum Humidity 23 to 33 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 77 to 87. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 55 to 65. Highs 77 to 87. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-251415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 158 PM MST Sun Aug 24 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Little change. * Max Humidity.............45 to 55 pct. 24 hr Trend...........Up 11 to 15 pct. * Wind (20 ft/10-min avg)..Southeast around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .MONDAY... * 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..........79 to 89 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............10197 ft AGL. * Transport winds..........South 8 knots shifting to the east 9 knots in the afternoon. * Ventilation Category.....Very good (91773 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........20 pct. * Min Temperature..........58 to 68 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............67 to 77 pct. 24 hr Trend...........Up 20 to 24 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (80-90 pct). Showers likely and chance of thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........50 pct. * Max Temperature..........74 to 84 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............43 to 53 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............9076 ft AGL. * Transport winds..........Southwest 7 to 9 knots. * Ventilation Category.....Very good (72608 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 74 to 84. Light winds. Minimum Humidity 37 to 47 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 76 to 86. Light winds. Minimum Humidity 31 to 41 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 77 to 87. Light winds. Minimum Humidity 27 to 37 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 77 to 87. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 78 to 88. 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