


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
991 FNUS55 KTWC 042052 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 152 PM MST Sat Oct 4 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Dry conditions will prevail across southeast Arizona this weekend into the middle of next week. A storm system will move to our north this weekend, resulting in gusty southwest winds. 20- foot winds will be 12-18 mph and gusts to around 30 mph today, with the strongest winds southeast of Tucson across eastern portions of Santa Cruz and Cochise counties. Min RH values in the valleys will be in the 12-20 percent range over the weekend through early next week. RH values in the mountains will generally be in the 25-35 percent range. High temperatures will be around normal this weekend, warming back up to 3-5 degrees above normal next week. Starting Wednesday winds become easterly with some gusts in the Gila River Valley. AZZ150-051415- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 152 PM MST Sat Oct 4 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........54 to 64 degs. 24 hr Trend...........Down 3 to 6 degs. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..West around 15 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Little change. * Min Humidity.............10 to 18 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............8818 ft AGL. * Transport winds..........South 8 to 12 knots. * Ventilation Category.....Excellent (105816 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............33 to 43 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........South 20 to 25 mph. .MONDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............11 to 21 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............9081 ft AGL. * Transport winds..........South 11 to 12 knots. * Ventilation Category.....Excellent (108972 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Mostly clear. Lows 58 to 68. Highs 89 to 99. Light winds. Minimum Humidity 11 to 18 pct. .WEDNESDAY...Mostly clear. Lows 61 to 71. Highs 90 to 100. Light winds. Minimum Humidity 13 to 22 pct. .THURSDAY...Mostly clear. Lows 65 to 75. Highs 91 to 101. Light winds. Minimum Humidity 17 to 26 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 67 to 77. Highs 92 to 102. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 66 to 76. Highs 91 to 101. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-051415- 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- 152 PM MST Sat Oct 4 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........49 to 59 degs. 24 hr Trend...........Down 4 to 8 degs. * Max Humidity.............48 to 58 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Little change. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..South around 15 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............6430 ft AGL. * Transport winds..........South 15 to 18 knots. * Ventilation Category.....Excellent (115740 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the southeast after midnight. * 10000 ft MSL Wind........South 20 to 25 mph. .MONDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........81 to 91 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........South around 20 mph decreasing to around 10 mph in the afternoon. * Mixing height............7532 ft AGL. * Transport winds..........South 12 to 14 knots. * Ventilation Category.....Excellent (105448 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Lows 54 to 64. Highs 83 to 93. Light winds. Minimum Humidity 14 to 24 pct. .WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 84 to 94. Light winds. Minimum Humidity 20 to 30 pct. .THURSDAY...Mostly clear. Lows 59 to 69. Highs 84 to 94. Light winds. Minimum Humidity 23 to 33 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 85 to 95. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 84 to 94. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-051415- 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- 152 PM MST Sat Oct 4 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..West around 20 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............7028 ft AGL. * Transport winds..........South 14 to 17 knots. * Ventilation Category.....Excellent (119476 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Little change. * Max Humidity.............46 to 56 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Southwest around 15 mph in the evening becoming light. * 10000 ft MSL Wind........South 15 to 20 mph. .MONDAY... * Sky/Weather..............Mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........80 to 90 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............8629 ft AGL. * Transport winds..........South 11 to 13 knots. * Ventilation Category.....Excellent (112177 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Lows 55 to 65. Highs 82 to 92. Southeast wind around 15 mph. Minimum Humidity 17 to 27 pct. .WEDNESDAY...Partly cloudy. Lows 57 to 67. Highs 82 to 92. East wind around 15 mph. Minimum Humidity 24 to 34 pct. .THURSDAY...Mostly clear. Lows 59 to 69. Highs 82 to 92. East wind around 15 mph. Minimum Humidity 24 to 34 pct. .FRIDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 83 to 93. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 82 to 92. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-051415- 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- 152 PM MST Sat Oct 4 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........42 to 52 degs. 24 hr Trend...........Down 6 to 10 degs. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..West around 15 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........66 to 76 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............15 to 24 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............6352 ft AGL. * Transport winds..........South 15 to 17 knots. * Ventilation Category.....Excellent (107984 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........43 to 53 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............39 to 49 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........South 15 to 20 mph. .MONDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..East around 10 mph shifting to the south in the afternoon. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............7533 ft AGL. * Transport winds..........Southeast 13 to 15 knots. * Ventilation Category.....Excellent (112995 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Mostly clear. Lows 47 to 57. Highs 72 to 82. Light winds. Minimum Humidity 24 to 34 pct. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 49 to 59. Highs 70 to 80. Southeast wind around 15 mph. Minimum Humidity 33 to 43 pct. .THURSDAY...Partly cloudy. Lows 50 to 60. Highs 72 to 82. Light winds. Minimum Humidity 30 to 40 pct. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 51 to 61. Highs 72 to 82. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 60. Highs 70 to 80. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-051415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 152 PM MST Sat Oct 4 2025 .TONIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........46 to 56 degs. 24 hr Trend...........Down 4 to 8 degs. * Max Humidity.............45 to 55 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Southwest around 20 mph decreasing to around 10 mph after midnight. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........68 to 78 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............7109 ft AGL. * Transport winds..........Southwest 17 to 19 knots. * Ventilation Category.....Excellent (127962 knot-ft). .SUNDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........47 to 57 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........South 15 to 20 mph. .MONDAY... * Sky/Weather..............Mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........71 to 81 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............18 to 28 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........South 10 to 15 mph. * Mixing height............8194 ft AGL. * Transport winds..........South 12 to 13 knots. * Ventilation Category.....Excellent (102425 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .TUESDAY...Partly cloudy. Lows 51 to 61. Highs 73 to 83. Light winds. Minimum Humidity 21 to 31 pct. .WEDNESDAY...Partly cloudy. Lows 52 to 62. Highs 72 to 82. Southeast wind around 15 mph. Minimum Humidity 31 to 41 pct. .THURSDAY...Mostly clear. Lows 54 to 64. Highs 72 to 82. Light winds. Minimum Humidity 31 to 41 pct. .FRIDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 73 to 83. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 72 to 82. 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