


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
432 FNUS55 KTWC 081031 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 331 AM MST Wed Oct 8 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... Moisture moving in from the east brings minimum relative humidities above 30 percent east of Tucson to Nogales today with 15 to 20 percent to the west. Minimum relative humidities above 30 percent across southeastern Arizona Thursday into early next week. Chances for showers and thunderstorms arrive with this moisture, though any rainfall should be light through Friday. Greater chances for wetting rain arrives this weekend. Southeasterly winds expected through Friday, especially in areas exposed to southeasterly flow. The Gila River Valley will see 15-20 mph winds with gusts to 35 mph through Friday. AZZ150-082215- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 331 AM MST Wed Oct 8 2025 .TODAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming partly cloudy (40-50 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........91 to 101 degs. 24 hr Trend...........Little change. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9762 ft AGL. * Transport winds..........Southeast 10 knots. * Ventilation Category.....Very good (97620 knot-ft). .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.............47 to 57 pct. 24 hr Trend...........Up 14 to 18 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9132 ft AGL. * Transport winds..........East 16 knots. * Ventilation Category.....Excellent (146112 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 68 to 78. Highs 89 to 99. East wind around 15 mph. Minimum Humidity 29 to 39 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 65 to 75. Highs 81 to 91. South wind around 15 mph. Minimum Humidity 45 to 55 pct. .SUNDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 63 to 73. Highs 79 to 89. Light winds. Minimum Humidity 47 to 57 pct. .COLUMBUS DAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 60 to 70. Highs 75 to 85. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 76 to 86. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-082215- 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- 331 AM MST Wed Oct 8 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........83 to 93 degs. 24 hr Trend...........Little change. * Min Humidity.............25 to 35 pct. 24 hr Trend...........Up 13 to 17 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............8948 ft AGL. * Transport winds..........Southeast 13 knots. * Ventilation Category.....Excellent (116324 knot-ft). .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.............63 to 73 pct. 24 hr Trend...........Up 17 to 21 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 (65-75 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.............34 to 44 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9237 ft AGL. * Transport winds..........Southeast 17 to 18 knots. * Ventilation Category.....Excellent (166266 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 61 to 71. Highs 84 to 94. Southeast wind around 15 mph. Minimum Humidity 31 to 41 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 59 to 69. Highs 78 to 88. South wind around 15 mph. Minimum Humidity 46 to 56 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. Highs 71 to 81. South wind around 15 mph. Minimum Humidity 61 to 71 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 56 to 66. Highs 68 to 78. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 71 to 81. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-082215- 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- 331 AM MST Wed Oct 8 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........81 to 91 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Up 18 to 22 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 20 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. * Mixing height............6108 ft AGL. * Transport winds..........Southeast 19 to 20 knots. * Ventilation Category.....Excellent (122160 knot-ft). .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..........61 to 71 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............66 to 76 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..East 15 to 20 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............37 to 47 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. * Mixing height............5243 ft AGL. * Transport winds..........Southeast 22 knots. * Ventilation Category.....Excellent (115346 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 60 to 70. Highs 81 to 91. East wind around 20 mph. Minimum Humidity 31 to 41 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 59 to 69. Highs 78 to 88. South wind around 15 mph. Minimum Humidity 45 to 55 pct. .SUNDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 57 to 67. Highs 70 to 80. Light winds. Minimum Humidity 58 to 68 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 68 to 78. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 71 to 81. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-082215- 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- 331 AM MST Wed Oct 8 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............46 to 56 pct. 24 hr Trend...........Up 25 to 29 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............7111 ft AGL. * Transport winds..........Southeast 18 to 20 knots. * Ventilation Category.....Excellent (142220 knot-ft). .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..........52 to 62 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............75 to 85 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (75-85 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........66 to 76 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............54 to 64 pct. 24 hr Trend...........Up 5 to 9 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. * Mixing height............6177 ft AGL. * Transport winds..........Southeast 20 knots. * Ventilation Category.....Excellent (123540 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 69 to 79. Southeast wind around 20 mph. Minimum Humidity 43 to 53 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 52 to 62. Highs 66 to 76. Light winds. Minimum Humidity 54 to 64 pct. .SUNDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 49 to 59. Highs 61 to 71. Light winds. Minimum Humidity 60 to 70 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 47 to 57. Highs 58 to 68. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 61 to 71. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-082215- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 331 AM MST Wed Oct 8 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........71 to 81 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............40 to 50 pct. 24 hr Trend...........Up 23 to 27 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............7457 ft AGL. * Transport winds..........Southeast 15 knots. * Ventilation Category.....Excellent (111855 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 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.............67 to 77 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..East 15 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .THURSDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............48 to 58 pct. 24 hr Trend...........Up 12 to 16 pct. * Wind (20 ft/10-min avg)..East 15 to 20 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. * Mixing height............6829 ft AGL. * Transport winds..........Southeast 18 to 19 knots. * Ventilation Category.....Excellent (126336 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .FRIDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 65. Highs 72 to 82. Southeast wind around 20 mph. Minimum Humidity 37 to 47 pct. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 65. Highs 70 to 80. South wind around 15 mph. Minimum Humidity 51 to 61 pct. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 52 to 62. Highs 61 to 71. Light winds. Minimum Humidity 69 to 79 pct. .COLUMBUS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 51 to 61. Highs 58 to 68. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 51 to 61. Highs 62 to 72. 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