


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
899 FNUS55 KTWC 032020 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 120 PM MST Fri Oct 3 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...There will be a slight chance of showers and thunderstorms mainly east of Tucson through this evening. Dry conditions will then prevail across southeast Arizona this weekend into at least early next week. 20-foot winds will be 15 mph or less and terrain driven today. A storm system will then move by to our north this weekend resulting in increasing southwesterly winds. 20- foot winds will be 12-18 mph and gusts to around 30 mph Saturday, with the strongest winds southeast of Tucson across portions of Santa Cruz and Cochise counties. Min RH values in the valleys will be in the 15-30 percent range today, lowering to 12-20 percent 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 7- 9 degrees above normal today, cooling to around normal this weekend, then warming back up to 3-5 degrees above normal early next week. AZZ150-041400- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 120 PM MST Fri Oct 3 2025 .TONIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........59 to 69 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........South around 25 mph increasing to southwest around 35 mph after midnight. .SATURDAY... * 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...........Down 7 to 11 degs. * Min Humidity.............12 to 22 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. * Mixing height............8786 ft AGL. * Transport winds..........Southwest 12 to 17 knots. * Ventilation Category.....Excellent (149362 knot-ft). .SATURDAY NIGHT... * 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.............36 to 46 pct. 24 hr Trend...........Down 3 to 7 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 (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Little change. * Min Humidity.............11 to 21 pct. 24 hr Trend...........Down 1 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............8727 ft AGL. * Transport winds..........South 10 to 14 knots. * Ventilation Category.....Excellent (122178 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Clear. Lows 55 to 65. Highs 85 to 95. Light winds. Minimum Humidity 12 to 20 pct. .TUESDAY...Mostly clear. Lows 58 to 68. Highs 88 to 98. Light winds. Minimum Humidity 12 to 22 pct. .WEDNESDAY...Mostly clear. Lows 61 to 71. Highs 89 to 99. Light winds. Minimum Humidity 15 to 25 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 65 to 75. Highs 87 to 97. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 65 to 75. Highs 86 to 96. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-041400- 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- 120 PM MST Fri Oct 3 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Down 3 to 6 degs. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........South around 20 mph increasing to southwest around 30 mph after midnight. .SATURDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Down 5 to 9 degs. * Min Humidity.............16 to 26 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. * Mixing height............6582 ft AGL. * Transport winds..........Southwest 19 to 24 knots. * Ventilation Category.....Excellent (157968 knot-ft). .SATURDAY 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...........Down 4 to 8 degs. * Max Humidity.............52 to 62 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 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..........79 to 89 degs. 24 hr Trend...........Little change. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 30 mph decreasing to around 20 mph in the afternoon. * Mixing height............6895 ft AGL. * Transport winds..........South 14 to 17 knots. * Ventilation Category.....Excellent (117215 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 51 to 61. Highs 81 to 91. South wind around 15 mph. Minimum Humidity 16 to 26 pct. .TUESDAY...Partly cloudy. Lows 55 to 65. Highs 83 to 93. Light winds. Minimum Humidity 17 to 27 pct. .WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 83 to 93. Light winds. Minimum Humidity 23 to 33 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 81 to 91. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 81 to 91. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-041400- 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- 120 PM MST Fri Oct 3 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........57 to 67 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............58 to 68 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........Southwest around 15 mph increasing to around 25 mph after midnight. .SATURDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........80 to 90 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..South around 15 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............8671 ft AGL. * Transport winds..........Southwest 19 to 24 knots. * Ventilation Category.....Excellent (208104 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Down 4 to 8 degs. * Max Humidity.............52 to 62 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..West around 15 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 20 to 25 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.............15 to 25 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............7892 ft AGL. * Transport winds..........South 13 to 16 knots. * Ventilation Category.....Excellent (126272 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 51 to 61. Highs 80 to 90. Light winds. Minimum Humidity 16 to 26 pct. .TUESDAY...Partly cloudy. Lows 55 to 65. Highs 82 to 92. Light winds. Minimum Humidity 20 to 30 pct. .WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 81 to 91. East wind around 15 mph. Minimum Humidity 26 to 36 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 80 to 90. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 57 to 67. Highs 79 to 89. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-041400- 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- 120 PM MST Fri Oct 3 2025 .TONIGHT... * Sky/Weather..............Mostly cloudy (55-65 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..........49 to 59 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............61 to 71 pct. 24 hr Trend...........Up 10 to 14 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........South 25 to 30 mph. .SATURDAY... * Sky/Weather..............Mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........68 to 78 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest around 35 mph decreasing to around 25 mph in the afternoon. * Mixing height............7119 ft AGL. * Transport winds..........Southwest 25 to 29 knots. * Ventilation Category.....Excellent (206451 knot-ft). .SATURDAY NIGHT... * 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 5 to 9 degs. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Down 8 to 12 pct. * Wind (20 ft/10-min avg)..West around 15 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........67 to 77 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............17 to 27 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 15 to 20 mph. * Mixing height............6493 ft AGL. * Transport winds..........Southeast 14 knots shifting to the southwest 17 knots in the afternoon. * Ventilation Category.....Excellent (110381 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 43 to 53. Highs 70 to 80. Light winds. Minimum Humidity 17 to 25 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 47 to 57. Highs 70 to 80. Light winds. Minimum Humidity 26 to 36 pct. .WEDNESDAY...Mostly clear. Lows 49 to 59. Highs 70 to 80. Southeast wind around 15 mph. Minimum Humidity 33 to 43 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 60. Highs 69 to 79. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 49 to 59. Highs 68 to 78. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-041400- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 120 PM MST Fri Oct 3 2025 .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Min Temperature..........52 to 62 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............52 to 62 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph. * 10000 ft MSL Wind........Southwest around 15 mph increasing to around 25 mph after midnight. .SATURDAY... * 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...........Down 3 to 7 degs. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest around 35 mph decreasing to around 25 mph in the afternoon. * Mixing height............9155 ft AGL. * Transport winds..........Southwest 25 to 27 knots. * Ventilation Category.....Excellent (238030 knot-ft). .SATURDAY 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...........Down 4 to 8 degs. * Max Humidity.............49 to 59 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 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..........69 to 79 degs. 24 hr Trend...........Little change. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............8366 ft AGL. * Transport winds..........Southwest 17 to 19 knots. * Ventilation Category.....Excellent (150588 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 47 to 57. Highs 71 to 81. Light winds. Minimum Humidity 19 to 29 pct. .TUESDAY...Partly cloudy. Lows 51 to 61. Highs 72 to 82. Light winds. Minimum Humidity 24 to 34 pct. .WEDNESDAY...Mostly clear. Lows 52 to 62. Highs 71 to 81. East wind around 15 mph. Minimum Humidity 32 to 42 pct. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 70 to 80. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 53 to 63. Highs 70 to 80. 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