FNUS55 KTWC 162224 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 324 PM MST Fri Oct 16 2026 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Temperatures will remain below normal through this weekend. Very strong east to southeast winds continue today into Saturday. These winds are expected to be especially strong and potentially damaging. Locations on the lee-side of the higher terrain, terrain gaps, and east-to-west oriented valleys will be susceptible to the strongest winds this morning. For these areas expect speeds 35-45 mph with gusts 55-75 mph this evening and tonight, then 25-35 mph with gusts 50-60 elsewhere. Minimum relative humidity remains above 25-40 percent through the weekend. There will also be a 20-50 percent chance of showers and thunderstorms Saturday into next week. AZZ150-171415- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 324 PM MST Fri Oct 16 2026 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Patchy blowing dust. * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........58 to 68 degs. 24 hr Trend...........Down 3 to 6 degs. * Max Humidity.............27 to 37 pct. 24 hr Trend...........Down 12 to 16 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 10 to 15 mph. .SATURDAY... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........72 to 82 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............4459 ft AGL. * Transport winds..........East 22 to 26 knots. * Ventilation Category.....Excellent (115934 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............59 to 69 pct. 24 hr Trend...........Up 30 to 34 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........South 10 to 15 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (65-75 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..........75 to 85 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............40 to 50 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..East 15 to 20 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............4965 ft AGL. * Transport winds..........Southeast 11 to 14 knots. * Ventilation Category.....Good (69510 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 58 to 68. Highs 76 to 86. Light winds. Minimum Humidity 40 to 50 pct. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 76 to 86. South wind around 15 mph. Minimum Humidity 40 to 50 pct. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 59 to 69. Highs 73 to 83. South wind around 20 mph. Minimum Humidity 47 to 57 pct. .THURSDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 56 to 66. Highs 69 to 79. .FRIDAY...Mostly clear. Slight chance of showers. Lows 51 to 61. Highs 67 to 77. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-171415- 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- 324 PM MST Fri Oct 16 2026 .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct). Patchy blowing dust. * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........48 to 58 degs. 24 hr Trend...........Down 3 to 7 degs. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .SATURDAY... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........65 to 75 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............25 to 35 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............4728 ft AGL. * Transport winds..........East 25 to 28 knots. * Ventilation Category.....Excellent (132384 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........48 to 58 degs. 24 hr Trend...........Little change. * Max Humidity.............63 to 73 pct. 24 hr Trend...........Up 30 to 34 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........South 15 to 20 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (70-80 pct) then becoming partly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........69 to 79 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............48 to 58 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..Southeast 15 to 20 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............4759 ft AGL. * Transport winds..........Southeast 12 to 14 knots. * Ventilation Category.....Good (66626 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 thunderstorms and slight chance of showers. Lows 53 to 63. Highs 71 to 81. Light winds. Minimum Humidity 48 to 58 pct. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 53 to 63. Highs 71 to 81. South wind around 15 mph. Minimum Humidity 47 to 57 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 54 to 64. Highs 70 to 80. South wind around 20 mph. Minimum Humidity 54 to 64 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 66 to 76. .FRIDAY...Partly cloudy. Slight chance of showers. Lows 46 to 56. Highs 63 to 73. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-171415- 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- 324 PM MST Fri Oct 16 2026 .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Patchy blowing dust. * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........45 to 55 degs. 24 hr Trend...........Down 3 to 7 degs. * Max Humidity.............31 to 41 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 40 to 45 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (40-50 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........62 to 72 degs. 24 hr Trend...........Little change. * Min Humidity.............21 to 31 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast around 35 mph becoming south around 20 mph in the afternoon. * Mixing height............2332 ft AGL. * Transport winds..........East 29 to 31 knots. * Ventilation Category.....Very good (72292 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Partly cloudy (40-50 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........46 to 56 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........South 15 to 20 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (65-75 pct) then becoming partly cloudy (40-50 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........65 to 75 degs. 24 hr Trend...........Up 3 to 7 degs. * Min Humidity.............38 to 48 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............3077 ft AGL. * Transport winds..........East 14 to 18 knots. * Ventilation Category.....Good (55386 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 slight chance of thunderstorms. Lows 50 to 60. Highs 70 to 80. Southeast wind around 15 mph. Minimum Humidity 44 to 54 pct. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 71 to 81. Southeast wind around 15 mph. Minimum Humidity 44 to 54 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 54 to 64. Highs 71 to 81. Southeast wind around 15 mph. Minimum Humidity 51 to 61 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 67 to 77. .FRIDAY...Partly cloudy. Slight chance of showers. Lows 47 to 57. Highs 64 to 74. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-171415- 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- 324 PM MST Fri Oct 16 2026 .TONIGHT... * Sky/Weather..............Mostly clear (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........37 to 47 degs. 24 hr Trend...........Down 3 to 7 degs. * Max Humidity.............32 to 42 pct. 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........Southeast 35 to 40 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (50-60 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........55 to 65 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............18 to 28 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Breezy. Southeast 15 to 25 mph. * 10000 ft MSL Wind........Southeast around 35 mph decreasing to around 25 mph in the afternoon. * Mixing height............3592 ft AGL. * Transport winds..........Southeast 24 to 25 knots. * Ventilation Category.....Very good (89800 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Mostly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........41 to 51 degs. 24 hr Trend...........Up 3 to 7 degs. * Max Humidity.............56 to 66 pct. 24 hr Trend...........Up 20 to 24 pct. * Wind (20 ft/10-min avg)..Breezy. Southeast 15 to 25 mph. * 10000 ft MSL Wind........Southeast 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........56 to 66 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............45 to 55 pct. 24 hr Trend...........Up 17 to 21 pct. * Wind (20 ft/10-min avg)..Southeast 15 to 20 mph. * 10000 ft MSL Wind........South 15 to 20 mph. * Mixing height............3130 ft AGL. * Transport winds..........Southeast 13 to 14 knots. * Ventilation Category.....Good (43820 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 43 to 53. Highs 59 to 69. Light winds. Minimum Humidity 54 to 64 pct. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 45 to 55. Highs 58 to 68. Southeast wind around 15 mph. Minimum Humidity 59 to 69 pct. .WEDNESDAY...Showers likely and slight chance of thunderstorms. Lows 46 to 56. Highs 57 to 67. Southeast wind around 15 mph. Minimum Humidity 67 to 77 pct. .THURSDAY...Showers and slight chance of thunderstorms. Lows 47 to 57. Highs 55 to 65. .FRIDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 39 to 49. Highs 53 to 63. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-171415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 324 PM MST Fri Oct 16 2026 .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........39 to 49 degs. 24 hr Trend...........Down 4 to 8 degs.* Max Humidity.............37 to 47 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 35 to 40 mph. .SATURDAY... * Sky/Weather..............Mostly cloudy (45-55 pct) then becoming partly cloudy (40-50 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........52 to 62 degs. 24 hr Trend...........Little change. * Min Humidity.............29 to 39 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Windy. East around 35 mph decreasing to around 25 mph in the afternoon. * 10000 ft MSL Wind........Southeast around 30 mph becoming south around 15 mph in the afternoon. * Mixing height............3541 ft AGL. * Transport winds..........East 26 to 31 knots. * Ventilation Category.....Excellent (100918 knot-ft). .SATURDAY NIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (50-60 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Min Temperature..........41 to 51 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............62 to 72 pct. 24 hr Trend...........Up 20 to 24 pct. * Wind (20 ft/10-min avg)..Breezy. East 15 to 25 mph. * 10000 ft MSL Wind........South 15 to 20 mph. .SUNDAY... * Sky/Weather..............Mostly cloudy (70-80 pct) then becoming partly cloudy (45-55 pct). Chance of showers and thunderstorms. * Chance of Precip.........40 pct. * Chance of Thunder........40 pct. * Max Temperature..........57 to 67 degs. 24 hr Trend...........Up 4 to 8 degs. * Min Humidity.............49 to 59 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..Breezy. East around 25 mph becoming southeast around 15 mph in the afternoon. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............5335 ft AGL. * Transport winds..........Southeast 11 to 19 knots. * Ventilation Category.....Very good (80025 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 thunderstorms and slight chance of showers. Lows 46 to 56. Highs 60 to 70. Light winds. Minimum Humidity 59 to 69 pct. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 60 to 70. South wind around 15 mph. Minimum Humidity 59 to 69 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 49 to 59. Highs 60 to 70. South wind around 15 mph. Minimum Humidity 65 to 75 pct. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 56 to 66. .FRIDAY...Partly cloudy. Slight chance of showers. Lows 42 to 52. Highs 53 to 63. 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