FNUS55 KTWC 161045 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 345 AM 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. A strong surface high pressure area will move into Southeast Arizona from the east this evening resulting in strong to very strong east to southeast winds 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 morning into the evening, then 25-35 mph with gusts 50-60 mph Friday night into Saturday. 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. AZZ150-162200- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 345 AM MST Fri Oct 16 2026 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct) then becoming partly cloudy (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........77 to 87 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............19 to 29 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Very windy. East 30 to 40 mph. * 10000 ft MSL Wind........Southeast 15 to 20 mph. * Mixing height............4963 ft AGL. * Transport winds..........East 38 knots. * Ventilation Category.....Excellent (188594 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........59 to 69 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............24 to 34 pct. 24 hr Trend...........Down 16 to 20 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 (65-75 pct). Slight chance of showers. * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............20 to 30 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............4514 ft AGL. * Transport winds..........East 20 to 26 knots. * Ventilation Category.....Excellent (117364 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Slight chance of showers. Lows 57 to 67. Highs 75 to 85. East wind around 20 mph. Minimum Humidity 36 to 46 pct. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 76 to 86. Light winds. Minimum Humidity 36 to 46 pct. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 59 to 69. Highs 76 to 86. South wind around 15 mph. Minimum Humidity 37 to 47 pct. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 58 to 68. Highs 72 to 82. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 64. Highs 68 to 78. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-162200- 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- 345 AM MST Fri Oct 16 2026 .TODAY... * 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 10 to 14 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 30 to 35 mph. * Mixing height............3285 ft AGL. * Transport winds..........East 40 knots. * Ventilation Category.....Excellent (131400 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........47 to 57 degs. 24 hr Trend...........Down 10 to 14 degs. * Max Humidity.............31 to 41 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........Southeast 25 to 30 mph. .SATURDAY... * Sky/Weather..............Mostly cloudy (55-65 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........63 to 73 degs. 24 hr Trend...........Little change. * Min Humidity.............25 to 35 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........South 20 to 25 mph. * Mixing height............3598 ft AGL. * Transport winds..........East 23 to 27 knots. * Ventilation Category.....Very good (97146 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly cloudy. Chance of showers. Lows 48 to 58. Highs 68 to 78. East wind around 20 mph. Minimum Humidity 43 to 53 pct. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 62. Highs 71 to 81. Southeast wind around 15 mph. Minimum Humidity 43 to 53 pct. .TUESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 71 to 81. South wind around 20 mph. Minimum Humidity 44 to 54 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 53 to 63. Highs 69 to 79. .THURSDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 60. Highs 65 to 75. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-162200- 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- 345 AM MST Fri Oct 16 2026 .TODAY... * Sky/Weather..............Mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........63 to 73 degs. 24 hr Trend...........Down 10 to 14 degs. * Min Humidity.............20 to 30 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 40 to 45 mph. * Mixing height............3323 ft AGL. * Transport winds..........East 40 knots. * Ventilation Category.....Excellent (132920 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........44 to 54 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............30 to 40 pct. 24 hr Trend...........Down 6 to 10 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 (45-55 pct) then becoming mostly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........60 to 70 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............20 to 30 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast around 35 mph becoming south around 25 mph in the afternoon. * Mixing height............3006 ft AGL. * Transport winds..........East 28 to 30 knots. * Ventilation Category.....Very good (90180 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Slight chance of showers. Lows 45 to 55. Highs 66 to 76. East wind around 30 mph. Minimum Humidity 38 to 48 pct. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 60. Highs 70 to 80. Light winds. Minimum Humidity 41 to 51 pct. .TUESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 62. Highs 71 to 81. South wind around 15 mph. Minimum Humidity 41 to 51 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 62. Highs 70 to 80. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 51 to 61. Highs 66 to 76. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-162200- 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- 345 AM MST Fri Oct 16 2026 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........58 to 68 degs. 24 hr Trend...........Down 4 to 8 degs. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Up 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. * Mixing height............5238 ft AGL. * Transport winds..........East 28 to 29 knots. * Ventilation Category.....Excellent (151902 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear (15-25 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.............29 to 39 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Windy. East 20 to 30 mph. * 10000 ft MSL Wind........Southeast 35 to 40 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........54 to 64 degs. 24 hr Trend...........Down 3 to 7 degs. * Min Humidity.............17 to 26 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Breezy. Southeast 15 to 25 mph. * 10000 ft MSL Wind........Southeast 30 to 35 mph. * Mixing height............3625 ft AGL. * Transport winds..........Southeast 24 knots. * Ventilation Category.....Very good (87000 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly cloudy. Slight chance of showers. Lows 40 to 50. Highs 57 to 67. Southeast wind around 25 mph. Minimum Humidity 44 to 54 pct. .MONDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 43 to 53. Highs 59 to 69. Light winds. Minimum Humidity 50 to 60 pct. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 46 to 56. Highs 59 to 69. Southeast wind around 15 mph. Minimum Humidity 54 to 64 pct. .WEDNESDAY...Showers likely and slight chance of thunderstorms. Lows 45 to 55. Highs 58 to 68. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 44 to 54. Highs 55 to 65. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-162200- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 345 AM MST Fri Oct 16 2026 .TODAY... * Sky/Weather..............Mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........52 to 62 degs. 24 hr Trend...........Down 7 to 11 degs. * Min Humidity.............28 to 38 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Windy. East 25 to 35 mph. * 10000 ft MSL Wind........Southeast 40 to 45 mph. * Mixing height............5155 ft AGL. * Transport winds..........East 40 to 41 knots. * Ventilation Category.....Excellent (208777 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........38 to 48 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............34 to 44 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 35 to 40 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........50 to 60 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Down 1 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 20 mph in the afternoon. * Mixing height............3898 ft AGL. * Transport winds..........East 24 to 31 knots. * Ventilation Category.....Excellent (107195 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Chance of showers. Lows 40 to 50. Highs 57 to 67. East wind around 25 mph. Minimum Humidity 48 to 58 pct. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 46 to 56. Highs 60 to 70. Light winds. Minimum Humidity 54 to 64 pct. .TUESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 60 to 70. South wind around 15 mph. Minimum Humidity 55 to 65 pct. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 58. Highs 59 to 69. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 46 to 56. Highs 55 to 65. 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