


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
699 FNUS55 KTWC 060932 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 232 AM MST Wed Aug 6 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Very hot temperatures all this week, as highs peak at 8-14 degrees above normal through Thursday. A low grade monsoon pattern continues through Friday, focused in areas south to southwest of Tucson and in the White Mountains. A low grade pattern will continue this weekend but precipitation chances do expand to most of southeast Arizona. Min RH values areawide will continue around 8-15 percent through Thursday, then 14-23 percent starting Friday. Mountain readings climb into the 20-30 percent range Saturday into early next week. AZZ150-062215- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 232 AM MST Wed Aug 6 2025 .TODAY... * Sky/Weather..............Mostly sunny (20-30 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..........106 to 116 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............9 to 17 pct. 24 hr Trend...........Little change. * 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............15064 ft AGL. * Transport winds..........Southeast 7 knots shifting to the northwest 10 knots in the afternoon. * Ventilation Category.....Excellent (150640 knot-ft). .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..........79 to 89 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............24 to 34 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the north after midnight. * 10000 ft MSL Wind........North around 10 mph shifting to the east after midnight. .THURSDAY... * Sky/Weather..............Partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........106 to 116 degs. 24 hr Trend...........Little change. * Min Humidity.............8 to 18 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............16245 ft AGL. * Transport winds..........South 9 knots. * Ventilation Category.....Excellent (146205 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 76 to 86. Highs 100 to 110. Southwest wind around 15 mph. Minimum Humidity 17 to 27 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 74 to 84. Highs 98 to 108. Light winds. Minimum Humidity 18 to 28 pct. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 74 to 84. Highs 99 to 109. Light winds. Minimum Humidity 15 to 25 pct. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 74 to 84. Highs 100 to 110. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 74 to 84. Highs 100 to 110. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-062215- 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- 232 AM MST Wed Aug 6 2025 .TODAY... * 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..........99 to 109 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............10 to 18 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming north around 10 mph in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............14961 ft AGL. * Transport winds..........Northeast 8 to 9 knots. * Ventilation Category.....Excellent (134649 knot-ft). .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..........70 to 80 degs. 24 hr Trend...........Little change. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..North around 10 mph shifting to the east after midnight. * 10000 ft MSL Wind........Northeast 10 to 15 mph. .THURSDAY... * Sky/Weather..............Partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........99 to 109 degs. 24 hr Trend...........Little change. * Min Humidity.............9 to 17 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming south around 10 mph in the afternoon. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............15642 ft AGL. * Transport winds..........Southeast 9 to 10 knots. * Ventilation Category.....Excellent (156420 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 67 to 77. Highs 95 to 105. West wind around 15 mph. Minimum Humidity 16 to 26 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 67 to 77. Highs 93 to 103. Light winds. Minimum Humidity 20 to 30 pct. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 92 to 102. Light winds. Minimum Humidity 18 to 28 pct. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 93 to 103. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 92 to 102. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-062215- 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- 232 AM MST Wed Aug 6 2025 .TODAY... * 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..........99 to 109 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............9 to 18 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..North around 10 mph shifting to the northeast in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............14562 ft AGL. * Transport winds..........North 7 knots shifting to the east in the afternoon. * Ventilation Category.....Excellent (101934 knot-ft). .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..........69 to 79 degs. 24 hr Trend...........Little change. * Max Humidity.............31 to 41 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..East around 10 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .THURSDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (25-35 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........98 to 108 degs. 24 hr Trend...........Little change. * Min Humidity.............8 to 16 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............12909 ft AGL. * Transport winds..........Southeast 8 to 10 knots. * Ventilation Category.....Excellent (129090 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 67 to 77. Highs 96 to 106. West wind around 15 mph. Minimum Humidity 11 to 21 pct. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 68 to 78. Highs 95 to 105. West wind around 15 mph. Minimum Humidity 16 to 26 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 93 to 103. Northwest wind around 15 mph. Minimum Humidity 15 to 25 pct. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 92 to 102. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. 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) $$ AZZ153-062215- 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- 232 AM MST Wed Aug 6 2025 .TODAY... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............12 to 22 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........East around 5 mph shifting to the south in the afternoon. * Mixing height............13779 ft AGL. * Transport winds..........Northeast 9 knots shifting to the southwest 8 knots in the afternoon. * Ventilation Category.....Excellent (110232 knot-ft). .TONIGHT... * 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..........62 to 72 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............35 to 45 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northeast around 10 mph. * 10000 ft MSL Wind........Southwest around 5 mph shifting to the southeast after midnight. .THURSDAY... * Sky/Weather..............Mostly sunny (10-20 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..........88 to 98 degs. 24 hr Trend...........Little change. * Min Humidity.............10 to 19 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..East around 10 mph shifting to the south in the afternoon. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............14542 ft AGL. * Transport winds..........Southeast 9 knots shifting to the south 10 knots in the afternoon. * Ventilation Category.....Excellent (145420 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 61 to 71. Highs 86 to 96. Light winds. Minimum Humidity 10 to 20 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 85 to 95. Light winds. Minimum Humidity 14 to 24 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 83 to 93. Light winds. Minimum Humidity 16 to 26 pct. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 57 to 67. Highs 82 to 92. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 57 to 67. Highs 82 to 92. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-062215- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 232 AM MST Wed Aug 6 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 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 1 deg. * Min Humidity.............12 to 22 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northeast around 10 mph. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............14850 ft AGL. * Transport winds..........North 9 knots shifting to the east 8 knots in the afternoon. * Ventilation Category.....Excellent (118800 knot-ft). .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.............28 to 38 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........East 10 to 15 mph. .THURSDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Little change. * Min Humidity.............11 to 21 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming southeast around 10 mph in the afternoon. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............14328 ft AGL. * Transport winds..........Southeast 9 to 12 knots. * Ventilation Category.....Excellent (150444 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 62 to 72. Highs 85 to 95. West wind around 15 mph. Minimum Humidity 17 to 27 pct. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 83 to 93. West wind around 15 mph. Minimum Humidity 23 to 33 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 82 to 92. Light winds. Minimum Humidity 21 to 31 pct. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 82 to 92. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 81 to 91. 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