


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
937 FNUS55 KTWC 051020 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 320 AM MST Sat Jul 5 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Expect isolated to scattered showers and thunderstorms this afternoon into this evening mainly south and southwest of Tucson. A decrease in thunderstorm activity is Sunday into next week as the area transitions into a low grade monsoon pattern. An eventual uptick in monsoon activity is possible the middle of next week but will be dependent on how quick the high pressure aloft shifts north. Temperatures heating up this weekend into next week with the potential for very hot temperatures to return the middle of next week. Winds generally light and under 15 mph with the exception of gusty and erratic winds up to 35-45 mph near any thunderstorms. AZZ150-052300- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 320 AM MST Sat Jul 5 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........94 to 104 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............24 to 34 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............8372 ft AGL. * Transport winds..........South 10 knots shifting to the west 8 knots in the afternoon. * Ventilation Category.....Good (66976 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Min Temperature..........74 to 84 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............39 to 49 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 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..........99 to 109 degs. 24 hr Trend...........Up 3 to 7 degs. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Down 8 to 12 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........Southwest 10 to 15 mph. * Mixing height............11657 ft AGL. * Transport winds..........West 6 to 9 knots. * Ventilation Category.....Excellent (104913 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 75 to 85. Highs 100 to 110. Light winds. Minimum Humidity 13 to 21 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 75 to 85. Highs 100 to 110. Light winds. Minimum Humidity 14 to 24 pct. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 77 to 87. Highs 102 to 112. Light winds. Minimum Humidity 12 to 22 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 76 to 86. Highs 100 to 110. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 75 to 85. Highs 98 to 108. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-052300- 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- 320 AM MST Sat Jul 5 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 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...........Up 2 to 5 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........Northwest 5 to 10 mph. * Mixing height............7663 ft AGL. * Transport winds..........Northwest 9 to 11 knots. * Ventilation Category.....Very good (84293 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Chance of thunderstorms and slight chance of showers. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Min Temperature..........66 to 76 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............49 to 59 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northwest around 5 mph shifting to the southwest after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (10-20 pct) then becoming partly cloudy (35-45 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............18 to 28 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............11540 ft AGL. * Transport winds..........Northwest 7 knots shifting to the west 11 knots in the afternoon. * Ventilation Category.....Excellent (126940 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 67 to 77. Highs 94 to 104. Light winds. Minimum Humidity 16 to 26 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 68 to 78. Highs 95 to 105. Light winds. Minimum Humidity 15 to 25 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 96 to 106. West wind around 15 mph. Minimum Humidity 13 to 23 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 94 to 104. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 68 to 78. Highs 93 to 103. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-052300- 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- 320 AM MST Sat Jul 5 2025 .TODAY... * 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..........91 to 101 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 5 to 10 mph. * Mixing height............10073 ft AGL. * Transport winds..........Northwest 11 to 12 knots. * Ventilation Category.....Excellent (120876 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Slight chance of showers. * Chance of Precip.........20 pct. * Chance of Thunder........0 pct. * Min Temperature..........67 to 77 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............42 to 52 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........West 5 to 10 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (10-20 pct) then becoming partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........94 to 104 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........West 5 to 10 mph. * Mixing height............11067 ft AGL. * Transport winds..........West 9 to 11 knots. * Ventilation Category.....Excellent (121737 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 68 to 78. Highs 95 to 105. West wind around 15 mph. Minimum Humidity 13 to 23 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 68 to 78. Highs 96 to 106. Light winds. Minimum Humidity 11 to 21 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 98 to 108. Northwest wind around 15 mph. Minimum Humidity 10 to 19 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 97 to 107. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 70 to 80. Highs 95 to 105. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-052300- 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- 320 AM MST Sat Jul 5 2025 .TODAY... * Sky/Weather..............Mostly sunny (15-25 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..........82 to 92 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..North around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Northeast around 5 mph shifting to the southwest in the afternoon. * Mixing height............10054 ft AGL. * Transport winds..........North 12 knots shifting to the southwest 11 knots in the afternoon. * Ventilation Category.....Excellent (110594 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........59 to 69 degs. 24 hr Trend...........Up 3 to 6 degs. * Max Humidity.............38 to 48 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........North 5 to 10 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 10 mph in the afternoon. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............11352 ft AGL. * Transport winds..........Northwest 9 knots shifting to the southwest 11 knots in the afternoon. * Ventilation Category.....Excellent (124872 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 59 to 69. Highs 85 to 95. Light winds. Minimum Humidity 14 to 22 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 60 to 70. Highs 87 to 97. Light winds. Minimum Humidity 13 to 21 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 88 to 98. Light winds. Minimum Humidity 11 to 19 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 88 to 98. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 61 to 71. Highs 88 to 98. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-052300- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 320 AM MST Sat Jul 5 2025 .TODAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 5 to 10 mph. * Mixing height............9918 ft AGL. * Transport winds..........Northwest 11 knots. * Ventilation Category.....Excellent (109098 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..........62 to 72 degs. 24 hr Trend...........Up 3 to 6 degs. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Down 20 to 24 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest around 5 mph shifting to the southwest after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming partly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........83 to 93 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........West 5 to 10 mph. * Mixing height............11919 ft AGL. * Transport winds..........West 8 to 10 knots. * Ventilation Category.....Excellent (107271 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 63 to 73. Highs 84 to 94. Light winds. Minimum Humidity 20 to 30 pct. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 85 to 95. Light winds. Minimum Humidity 16 to 26 pct. .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 87 to 97. Northwest wind around 15 mph. Minimum Humidity 14 to 24 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 86 to 96. .FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 64 to 74. Highs 84 to 94. 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