554 FNUS55 KTWC 300835 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 135 AM MST Tue Dec 30 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... Gusty east winds are expected to continue for most of the area through the afternoon. 20-foot winds will be east to southeast 15-20 mph with gusts 30-40 mph. Otherwise, a weather system will bring a good chance of valley rain and high elevation (generally aboce 10k ft) snow showers New Years Eve into New Years Day. Minimum relative humidity values will remain elevated through the upcoming week, ranging from 35-45 percent in the valleys and 50-70 percent in the mountains. Temperatures will mostly be above normal levels this week. AZZ150-302230- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 135 AM MST Tue Dec 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (40-50 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........68 to 78 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............26 to 36 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Northeast 15 to 20 mph. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............2783 ft AGL. * Transport winds..........East 17 to 19 knots. * Ventilation Category.....Good (52877 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........48 to 58 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 5 mph increasing to south around 15 mph after midnight. .WEDNESDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers. * Chance of Precip.........20 pct. * Chance of Thunder........0 pct. * Max Temperature..........66 to 76 degs. 24 hr Trend...........Little change. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Up 7 to 11 pct. * Wind (20 ft/10-min avg)..Southeast around 15 mph shifting to the south in the afternoon. * 10000 ft MSL Wind........South around 25 mph increasing to around 35 mph in the afternoon. * Mixing height............1942 ft AGL. * Transport winds..........South 11 to 13 knots. * Ventilation Category.....Fair (25246 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .NEW YEARS DAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 60. Highs 64 to 74. Light winds. Minimum Humidity 56 to 66 pct. .FRIDAY...Mostly cloudy. Chance of showers. Lows 49 to 59. Highs 64 to 74. Light winds. Minimum Humidity 49 to 59 pct. .SATURDAY...Mostly cloudy. Lows 45 to 55. Highs 64 to 74. Light winds. Minimum Humidity 44 to 54 pct. .SUNDAY...Partly cloudy. Lows 43 to 53. Highs 65 to 75. .MONDAY...Partly cloudy. Lows 43 to 53. Highs 65 to 75. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-302230- 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- 135 AM MST Tue Dec 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........61 to 71 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southwest 5 to 10 mph. * Mixing height............2650 ft AGL. * Transport winds..........East 19 to 20 knots. * Ventilation Category.....Good (53000 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (45-55 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........41 to 51 degs. 24 hr Trend...........Up 3 to 7 degs. * Max Humidity.............58 to 68 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........West around 5 mph shifting to the south after midnight. .WEDNESDAY... * Sky/Weather..............Mostly cloudy (60-70 pct). Slight chance of showers. * Chance of Precip.........20 pct. * Chance of Thunder........0 pct. * Max Temperature..........63 to 73 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............35 to 45 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........South around 20 mph increasing to around 35 mph in the afternoon. * Mixing height............2073 ft AGL. * Transport winds..........South 12 knots. * Ventilation Category.....Fair (24876 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .NEW YEARS DAY...Showers likely and slight chance of thunderstorms. Lows 45 to 55. Highs 60 to 70. Light winds. Minimum Humidity 59 to 69 pct. .FRIDAY...Partly cloudy. Chance of showers. Lows 43 to 53. Highs 60 to 70. Light winds. Minimum Humidity 51 to 61 pct. .SATURDAY...Partly cloudy. Lows 39 to 49. Highs 62 to 72. Light winds. Minimum Humidity 42 to 52 pct. .SUNDAY...Partly cloudy. Lows 39 to 49. Highs 62 to 72. .MONDAY...Partly cloudy. Lows 39 to 49. 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) $$ AZZ152-302230- 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- 135 AM MST Tue Dec 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........55 to 65 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........Southeast around 5 mph shifting to the southwest in the afternoon. * Mixing height............1989 ft AGL. * Transport winds..........East 21 knots. * Ventilation Category.....Good (41769 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (50-60 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........35 to 45 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............65 to 75 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........West 5 to 10 mph. .WEDNESDAY... * Sky/Weather..............Mostly cloudy (50-60 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........60 to 70 degs. 24 hr Trend...........Up 4 to 8 degs. * Min Humidity.............30 to 40 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southeast around 10 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............2565 ft AGL. * Transport winds..........East 11 knots shifting to the south 10 knots in the afternoon. * Ventilation Category.....Fair (25650 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .NEW YEARS DAY...Showers likely. Lows 44 to 54. Highs 59 to 69. Light winds. Minimum Humidity 57 to 67 pct. .FRIDAY...Partly cloudy. Chance of showers. Lows 42 to 52. Highs 59 to 69. Light winds. Minimum Humidity 51 to 61 pct. .SATURDAY...Partly cloudy. Lows 37 to 47. Highs 60 to 70. Light winds. Minimum Humidity 41 to 51 pct. .SUNDAY...Partly cloudy. Lows 37 to 47. Highs 61 to 71. .MONDAY...Partly cloudy. Lows 37 to 47. Highs 60 to 70. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-302230- 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- 135 AM MST Tue Dec 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........50 to 60 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............24 to 34 pct. 24 hr Trend...........Up 6 to 10 pct. * Wind (20 ft/10-min avg)..East around 10 mph. * 10000 ft MSL Wind........South 5 to 10 mph. * Mixing height............2678 ft AGL. * Transport winds..........East 15 knots. * Ventilation Category.....Good (40170 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct) then becoming mostly cloudy (50-60 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........33 to 43 degs. 24 hr Trend...........Up 3 to 6 degs. * Max Humidity.............49 to 59 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..East around 10 mph. * 10000 ft MSL Wind........West 5 to 10 mph. .WEDNESDAY... * Sky/Weather..............Mostly cloudy (50-60 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........55 to 65 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............27 to 37 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............2862 ft AGL. * Transport winds..........East 8 knots shifting to the southwest 11 knots in the afternoon. * Ventilation Category.....Fair (31482 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .NEW YEARS DAY...Showers likely and slight chance of thunderstorms. Lows 39 to 49. Highs 49 to 59. Light winds. Minimum Humidity 64 to 74 pct. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 38 to 48. Highs 50 to 60. Light winds. Minimum Humidity 51 to 61 pct. .SATURDAY...Mostly cloudy. Lows 33 to 43. Highs 52 to 62. Light winds. Minimum Humidity 38 to 48 pct. .SUNDAY...Partly cloudy. Lows 32 to 42. Highs 53 to 63. .MONDAY...Partly cloudy. Lows 32 to 42. Highs 52 to 62. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-302230- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 135 AM MST Tue Dec 30 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........49 to 59 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............38 to 48 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..East 10 to 20 mph. * 10000 ft MSL Wind........South around 5 mph shifting to the southwest in the afternoon. * Mixing height............2250 ft AGL. * Transport winds..........East 18 to 20 knots. * Ventilation Category.....Good (42750 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (40-50 pct) then becoming mostly cloudy (55-65 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........38 to 48 degs. 24 hr Trend...........Up 5 to 9 degs. * Max Humidity.............53 to 63 pct. 24 hr Trend...........Down 9 to 13 pct. * Wind (20 ft/10-min avg)..East 10 to 15 mph. * 10000 ft MSL Wind........West 5 to 10 mph. .WEDNESDAY... * Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance of showers. * Chance of Precip.........20 pct. * Chance of Thunder........0 pct. * Max Temperature..........55 to 65 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Southeast 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 20 mph increasing to around 30 mph in the afternoon. * Mixing height............2953 ft AGL. * Transport winds..........Southeast 10 knots shifting to the southwest 11 knots in the afternoon. * Ventilation Category.....Fair (32483 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .NEW YEARS DAY...Showers likely. Lows 42 to 52. Highs 52 to 62. Light winds. Minimum Humidity 63 to 73 pct. .FRIDAY...Partly cloudy. Chance of showers. Lows 40 to 50. Highs 51 to 61. Light winds. Minimum Humidity 56 to 66 pct. .SATURDAY...Partly cloudy. Lows 37 to 47. Highs 53 to 63. Light winds. Minimum Humidity 44 to 54 pct. .SUNDAY...Partly cloudy. Lows 37 to 47. Highs 54 to 64. .MONDAY...Partly cloudy. Lows 38 to 48. Highs 54 to 64. 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