


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
078 FNUS55 KTWC 082148 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 246 PM MST Wed Oct 8 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...High temperatures will be 4-7 degrees above normal through Friday, falling to 3-9 degrees below normal Saturday into the middle of next week. Tropical moisture moving northward through Mexico will result in increasing chances for widespread showers and isolated thunderstorms through at least early next week. There will be the potential for widespread rainfall accumulating over several days, Saturday into Tuesday. This increase in moisture will raise min RH values to at least 25+ percent in the valley`s, with values in the Saturday through Tuesday time frame at 40+ percent. 20-foot wind speeds will generally be 15 mph or less through early next week and gusts to 20-25 mph, with the potential for some gusts to around 30 mph in the upper Gila River Valley. AZZ150-091415- 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 Wed Oct 8 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..........69 to 79 degs. 24 hr Trend...........Up 6 to 10 degs. * Max Humidity.............46 to 56 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the east after midnight. * 10000 ft MSL Wind........South 15 to 20 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (60-70 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...........Down 2 to 5 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Up 8 to 12 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............8081 ft AGL. * Transport winds..........East 14 knots. * Ventilation Category.....Excellent (113134 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Mostly cloudy (55-65 pct) then becoming partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Min Temperature..........68 to 78 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............53 to 63 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..Northeast 10 to 15 mph. * 10000 ft MSL Wind........South 20 to 25 mph. .FRIDAY... * Sky/Weather..............Mostly cloudy (50-60 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...........Up 1 deg. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9555 ft AGL. * Transport winds..........East 13 to 15 knots. * Ventilation Category.....Excellent (143325 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SATURDAY...Mostly cloudy. Not as warm. Chance of showers and slight chance of thunderstorms. Lows 67 to 77. Highs 80 to 90. Light winds. Minimum Humidity 48 to 58 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 74 to 84. Light winds. Minimum Humidity 64 to 74 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 60 to 70. Highs 75 to 85. Light winds. Minimum Humidity 54 to 64 pct. .TUESDAY...Partly cloudy. Slight chance of showers. Lows 59 to 69. Highs 77 to 87. .WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 78 to 88. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-091415- 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 Wed Oct 8 2025 .TONIGHT... * Sky/Weather..............Mostly cloudy (60-70 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.............62 to 72 pct. 24 hr Trend...........Up 16 to 20 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (55-65 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...........Down 1 to 4 degs. * Min Humidity.............32 to 42 pct. 24 hr Trend...........Up 8 to 12 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............7295 ft AGL. * Transport winds..........Southeast 15 to 16 knots. * Ventilation Category.....Excellent (116720 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Partly cloudy (45-55 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...........Little change. * Max Humidity.............62 to 72 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........84 to 94 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............8555 ft AGL. * Transport winds..........Southeast 16 to 17 knots. * Ventilation Category.....Excellent (145435 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SATURDAY...Showers likely and chance of thunderstorms. Lows 60 to 70. Highs 78 to 88. South wind around 15 mph. Minimum Humidity 46 to 56 pct. .SUNDAY...Not as warm. Showers likely and slight chance of thunderstorms. Lows 58 to 68. Highs 66 to 76. Light winds. Minimum Humidity 77 to 87 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 68 to 78. South wind around 15 mph. Minimum Humidity 69 to 79 pct. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 72 to 82. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 52 to 62. Highs 74 to 84. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-091415- 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 Wed Oct 8 2025 .TONIGHT... * Sky/Weather..............Mostly cloudy (55-65 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 2 to 5 degs. * Max Humidity.............65 to 75 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (60-70 pct) then becoming partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........80 to 90 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............34 to 44 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. * Mixing height............5297 ft AGL. * Transport winds..........Southeast 20 to 21 knots. * Ventilation Category.....Excellent (111237 knot-ft). .THURSDAY NIGHT... * 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..........60 to 70 degs. 24 hr Trend...........Little change. * Max Humidity.............62 to 72 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............31 to 41 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............6798 ft AGL. * Transport winds..........Southeast 21 to 22 knots. * Ventilation Category.....Excellent (149556 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SATURDAY...Showers likely and chance of thunderstorms. Lows 60 to 70. Highs 78 to 88. South wind around 15 mph. Minimum Humidity 44 to 54 pct. .SUNDAY...Not as warm. Showers likely and slight chance of thunderstorms. Lows 57 to 67. Highs 66 to 76. Light winds. Minimum Humidity 75 to 85 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 66 to 76. Light winds. Minimum Humidity 68 to 78 pct. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 72 to 82. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 53 to 63. Highs 74 to 84. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-091415- 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 Wed Oct 8 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (55-65 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........52 to 62 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............75 to 85 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........South 25 to 30 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........67 to 77 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............50 to 60 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southeast 15 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. * Mixing height............6509 ft AGL. * Transport winds..........Southeast 19 to 20 knots. * Ventilation Category.....Excellent (130180 knot-ft). .THURSDAY NIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........52 to 62 degs. 24 hr Trend...........Little change. * Max Humidity.............70 to 80 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 20 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (55-65 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............43 to 53 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. * Mixing height............6950 ft AGL. * Transport winds..........Southeast 20 to 21 knots. * Ventilation Category.....Excellent (145950 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SATURDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 62. Highs 66 to 76. South wind around 15 mph. Minimum Humidity 54 to 64 pct. .SUNDAY...Showers likely and chance of thunderstorms. Lows 50 to 60. Highs 58 to 68. Light winds. Minimum Humidity 73 to 83 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 57 to 67. Light winds. Minimum Humidity 68 to 78 pct. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 62 to 72. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 46 to 56. Highs 65 to 75. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-091415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 246 PM MST Wed Oct 8 2025 .TONIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............65 to 75 pct. 24 hr Trend...........Up 16 to 20 pct. * Wind (20 ft/10-min avg)..Southeast 15 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............46 to 56 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............6641 ft AGL. * Transport winds..........Southeast 17 to 18 knots. * Ventilation Category.....Excellent (116217 knot-ft). .THURSDAY NIGHT... * 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..........54 to 64 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............64 to 74 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (40-50 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........72 to 82 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............41 to 51 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............7990 ft AGL. * Transport winds..........Southeast 18 knots. * Ventilation Category.....Excellent (143820 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SATURDAY...Showers likely and chance of thunderstorms. Lows 55 to 65. Highs 69 to 79. South wind around 15 mph. Minimum Humidity 50 to 60 pct. .SUNDAY...Cooler. Showers likely and slight chance of thunderstorms. Lows 52 to 62. Highs 56 to 66. South wind around 15 mph. Minimum Humidity 81 to 91 pct. .COLUMBUS DAY...Showers likely and slight chance of thunderstorms. Lows 50 to 60. Highs 57 to 67. Light winds. Minimum Humidity 78 to 88 pct. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 60. Highs 63 to 73. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 49 to 59. Highs 65 to 75. 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