


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
566 FNUS55 KTWC 121051 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 351 AM MST Sat Jul 12 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Isolated thunderstorm coverage is expected to the south and east of Tucson, mainly along the Arizona/New Mexico border and the International Border. The main threat for storms will be the potential for strong gusty and erratic outflow winds 40-45 mph. Otherwise, an uptick in monsoon activity is expected beginning Sunday through next week as the upper high shifts to a more favorable location aloft. Temperatures will remain above normal through Monday, then drop back down to near or slightly below normal by mid to late next week. Winds will remain westerly from 10-15 mph, with occasional gusts at or above 25 mph, with the exception of stronger winds in the Gila River Valley through Saturday with northwest sustained winds around 15 to 20 mph gusts to 30 mph. Afternoon RH values in the low lying areas will be between 20-25%. AZZ150-130015- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 351 AM MST Sat Jul 12 2025 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........97 to 107 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........West 10 to 15 mph. * Mixing height............10918 ft AGL. * Transport winds..........Southwest 14 to 18 knots. * Ventilation Category.....Excellent (196524 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........72 to 82 degs. 24 hr Trend...........Little change. * Max Humidity.............36 to 46 pct. 24 hr Trend...........Down 11 to 15 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........Northwest around 10 mph shifting to the northeast after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (0-10 pct) then becoming partly cloudy (25-35 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........99 to 109 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Northeast 10 to 15 mph. * Mixing height............8793 ft AGL. * Transport winds..........Southwest 11 to 14 knots. * Ventilation Category.....Excellent (123102 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 74 to 84. Highs 98 to 108. Southwest wind around 15 mph. Minimum Humidity 14 to 24 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 74 to 84. Highs 96 to 106. Southwest wind around 15 mph. Minimum Humidity 20 to 30 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 73 to 83. Highs 93 to 103. Southwest wind around 15 mph. Minimum Humidity 22 to 32 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 72 to 82. Highs 91 to 101. .FRIDAY...Mostly cloudy. Chance of showers and 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) $$ AZZ151-130015- 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- 351 AM MST Sat Jul 12 2025 .TODAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........91 to 101 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........West 10 to 15 mph. * Mixing height............9580 ft AGL. * Transport winds..........West 14 knots. * Ventilation Category.....Excellent (134120 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (20-30 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........66 to 76 degs. 24 hr Trend...........Little change. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Down 12 to 16 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the southwest after midnight. * 10000 ft MSL Wind........Northwest around 15 mph becoming north around 5 mph after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph increasing to west around 20 mph in the afternoon. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............9553 ft AGL. * Transport winds..........West 10 to 15 knots. * Ventilation Category.....Excellent (143295 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 66 to 76. Highs 91 to 101. Light winds. Minimum Humidity 17 to 27 pct. .TUESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 89 to 99. Southwest wind around 15 mph. Minimum Humidity 22 to 32 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 86 to 96. Southwest wind around 15 mph. Minimum Humidity 27 to 37 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 64 to 74. Highs 85 to 95. .FRIDAY...Showers and thunderstorms likely. Lows 64 to 74. 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) $$ AZZ152-130015- 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- 351 AM MST Sat Jul 12 2025 .TODAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (30-40 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............10783 ft AGL. * Transport winds..........West 15 to 16 knots. * Ventilation Category.....Excellent (172528 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........66 to 76 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............47 to 57 pct. 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the southwest after midnight. * 10000 ft MSL Wind........Northwest 10 to 15 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (10-20 pct) then becoming partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........94 to 104 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Windy. Southwest around 15 mph increasing to west around 30 mph in the afternoon. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............10810 ft AGL. * Transport winds..........Northwest 13 to 21 knots. * Ventilation Category.....Excellent (227010 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 91 to 101. Southeast wind around 15 mph. Minimum Humidity 16 to 26 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 91 to 101. West wind around 15 mph. Minimum Humidity 18 to 28 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 89 to 99. West wind around 15 mph. Minimum Humidity 23 to 33 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 65 to 75. Highs 87 to 97. .FRIDAY...Thunderstorms likely and chance of showers. Lows 63 to 73. Highs 87 to 97. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-130015- 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- 351 AM MST Sat Jul 12 2025 .TODAY... * Sky/Weather..............Mostly sunny (10-20 pct) then becoming partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........84 to 94 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..West 15 to 20 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............10788 ft AGL. * Transport winds..........West 16 knots. * Ventilation Category.....Excellent (172608 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..........58 to 68 degs. 24 hr Trend...........Little change. * Max Humidity.............46 to 56 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 15 to 20 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming mostly cloudy (60-70 pct). Showers likely and chance of thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........50 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............12 to 21 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 15 to 20 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............10249 ft AGL. * Transport winds..........Northwest 14 to 19 knots. * Ventilation Category.....Excellent (194731 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly cloudy. Chance of thunderstorms and slight chance of showers. Lows 57 to 67. Highs 81 to 91. Light winds. Minimum Humidity 20 to 30 pct. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 57 to 67. Highs 82 to 92. Northwest wind around 15 mph. Minimum Humidity 19 to 27 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 58 to 68. Highs 82 to 92. Northwest wind around 15 mph. Minimum Humidity 19 to 29 pct. .THURSDAY...Showers and thunderstorms likely. Lows 58 to 68. Highs 79 to 89. .FRIDAY...Showers and thunderstorms likely. Lows 57 to 67. Highs 78 to 88. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-130015- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 351 AM MST Sat Jul 12 2025 .TODAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............20 to 30 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............11536 ft AGL. * Transport winds..........West 14 knots. * Ventilation Category.....Excellent (161504 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........61 to 71 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............48 to 58 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming mostly cloudy (55-65 pct). Chance of showers and thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........50 pct. * Max Temperature..........83 to 93 degs. 24 hr Trend...........Little change. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..West around 10 mph increasing to around 20 mph in the afternoon. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............11860 ft AGL. * Transport winds..........Northwest 11 to 16 knots. * Ventilation Category.....Excellent (160110 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Showers likely and chance of thunderstorms. Lows 60 to 70. Highs 80 to 90. West wind around 15 mph. Minimum Humidity 22 to 32 pct. .TUESDAY...Showers and thunderstorms likely. Lows 60 to 70. Highs 80 to 90. West wind around 15 mph. Minimum Humidity 25 to 35 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 59 to 69. Highs 77 to 87. West wind around 15 mph. Minimum Humidity 31 to 41 pct. .THURSDAY...Thunderstorms likely and chance of showers. Lows 59 to 69. Highs 75 to 85. .FRIDAY...Thunderstorms likely and chance of showers. Lows 58 to 68. Highs 75 to 85. 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