


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
520 FNUS55 KTWC 122146 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 246 PM MST Sat Jul 12 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... 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. Afternoon RH values in the low lying areas will be between 10-15% through Monday, then 20-30% through the remainder of the week. AZZ150-131415- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 246 PM MST Sat Jul 12 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 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 (20-30 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........99 to 109 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........East 5 to 10 mph. * Mixing height............9995 ft AGL. * Transport winds..........Southwest 10 to 15 knots. * Ventilation Category.....Excellent (149925 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........74 to 84 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............35 to 45 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..West around 10 mph shifting to the south after midnight. * 10000 ft MSL Wind........North 10 to 15 mph. .MONDAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........98 to 108 degs. 24 hr Trend...........Little change. * Min Humidity.............16 to 26 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............11404 ft AGL. * Transport winds..........South 13 knots shifting to the west 11 knots in the afternoon. * Ventilation Category.....Excellent (125444 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Showers and thunderstorms likely. Lows 74 to 84. Highs 95 to 105. Southwest wind around 15 mph. Minimum Humidity 21 to 31 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 72 to 82. Highs 91 to 101. South wind around 15 mph. Minimum Humidity 27 to 37 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 71 to 81. Highs 90 to 100. Light winds. Minimum Humidity 26 to 36 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 92 to 102. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 72 to 82. Highs 96 to 106. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-131415- 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- 246 PM MST Sat Jul 12 2025 .TONIGHT... * Sky/Weather..............Mostly clear (15-25 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........66 to 76 degs. 24 hr Trend...........Little change. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Down 14 to 18 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 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 (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............9738 ft AGL. * Transport winds..........West 10 to 12 knots. * Ventilation Category.....Excellent (116856 knot-ft). .SUNDAY 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..........66 to 76 degs. 24 hr Trend...........Little change. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Southwest around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........North 10 to 15 mph. .MONDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Showers and thunderstorms likely. * Chance of Precip.........60 pct. * Chance of Thunder........60 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the northwest in the afternoon. * 10000 ft MSL Wind........North around 15 mph decreasing to around 5 mph in the afternoon. * Mixing height............9118 ft AGL. * Transport winds..........North 8 to 12 knots. * Ventilation Category.....Excellent (109416 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 88 to 98. Southwest wind around 15 mph. Minimum Humidity 28 to 38 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 85 to 95. Southwest wind around 15 mph. Minimum Humidity 34 to 44 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 83 to 93. Light winds. Minimum Humidity 33 to 43 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 85 to 95. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 65 to 75. Highs 89 to 99. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-131415- 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- 246 PM MST Sat Jul 12 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 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.............49 to 59 pct. 24 hr Trend...........Down 6 to 10 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 (10-20 pct) then becoming partly cloudy (40-50 pct). Patchy blowing dust. 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.............14 to 24 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............11568 ft AGL. * Transport winds..........Northwest 13 to 14 knots. * Ventilation Category.....Excellent (161952 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Patchy blowing dust. Slight chance of showers and thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........20 pct. * Min Temperature..........65 to 75 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............54 to 64 pct. 24 hr Trend...........Up 5 to 9 pct. * Wind (20 ft/10-min avg)..Southwest around 15 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........North 15 to 20 mph. .MONDAY... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (65-75 pct). Showers and thunderstorms likely. * Chance of Precip.........60 pct. * Chance of Thunder........60 pct. * Max Temperature..........91 to 101 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the northwest in the afternoon. * 10000 ft MSL Wind........North around 15 mph becoming northeast around 5 mph in the afternoon. * Mixing height............10097 ft AGL. * Transport winds..........Southeast 8 knots shifting to the north 11 knots in the afternoon. * Ventilation Category.....Excellent (111067 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 89 to 99. West wind around 15 mph. Minimum Humidity 22 to 32 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 65 to 75. Highs 86 to 96. West wind around 15 mph. Minimum Humidity 30 to 40 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 85 to 95. Light winds. Minimum Humidity 29 to 39 pct. .FRIDAY...Showers and thunderstorms likely. Lows 63 to 73. Highs 86 to 96. .SATURDAY...Showers and thunderstorms likely. Lows 64 to 74. Highs 89 to 99. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-131415- 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- 246 PM MST Sat Jul 12 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Min Temperature..........58 to 68 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............47 to 57 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming mostly cloudy (45-55 pct). Chance of showers and 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 22 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 10 to 15 mph. * Mixing height............11862 ft AGL. * Transport winds..........Northwest 13 to 16 knots. * Ventilation Category.....Excellent (189792 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Showers and thunderstorms likely. * Chance of Precip.........60 pct. * Chance of Thunder........60 pct. * Min Temperature..........57 to 67 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............57 to 67 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........Northwest 15 to 20 mph. .MONDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly cloudy (70-80 pct). Showers and thunderstorms. * Chance of Precip.........80 pct. * Chance of Thunder........80 pct. * Max Temperature..........81 to 91 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 10 mph in the afternoon. * 10000 ft MSL Wind........North around 15 mph becoming south around 5 mph in the afternoon. * Mixing height............7420 ft AGL. * Transport winds..........West 8 to 10 knots. * Ventilation Category.....Very good (74200 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Showers and thunderstorms likely. Lows 57 to 67. Highs 82 to 92. Northwest wind around 15 mph. Minimum Humidity 22 to 32 pct. .WEDNESDAY...Showers and thunderstorms likely. Lows 58 to 68. Highs 79 to 89. Northwest wind around 15 mph. Minimum Humidity 26 to 36 pct. .THURSDAY...Thunderstorms and chance of showers. Lows 56 to 66. Highs 76 to 86. Light winds. Minimum Humidity 30 to 40 pct. .FRIDAY...Showers and thunderstorms likely. Lows 55 to 65. Highs 77 to 87. .SATURDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 57 to 67. Highs 79 to 89. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-131415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 246 PM MST Sat Jul 12 2025 .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 16 to 20 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest around 15 mph becoming north around 5 mph after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........83 to 93 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............20 to 30 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............12284 ft AGL. * Transport winds..........Northwest 10 to 12 knots. * Ventilation Category.....Excellent (135124 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........50 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............54 to 64 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........North 15 to 20 mph. .MONDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (65-75 pct). Showers and thunderstorms likely. * Chance of Precip.........70 pct. * Chance of Thunder........70 pct. * Max Temperature..........80 to 90 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..East around 10 mph shifting to the northwest in the afternoon. * 10000 ft MSL Wind........Northeast 5 to 10 mph. * Mixing height............9899 ft AGL. * Transport winds..........North 8 to 10 knots. * Ventilation Category.....Very good (89091 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Showers and thunderstorms likely. Lows 60 to 70. Highs 79 to 89. West wind around 15 mph. Minimum Humidity 31 to 41 pct. .WEDNESDAY...Thunderstorms likely and chance of showers. Lows 59 to 69. Highs 75 to 85. West wind around 15 mph. Minimum Humidity 39 to 49 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 74 to 84. Light winds. Minimum Humidity 38 to 48 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 75 to 85. .SATURDAY...Showers and thunderstorms likely. Lows 59 to 69. 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