####018018368#### FNUS55 KTWC 122246 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 346 PM MST Thu Feb 12 2026 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...A cold and wet winter weather system is expected to make its way into Southeast Arizona tomorrow resulting in widespread valley rain and high elevation snowfall. Isolated thunderstorms will also be possible with this system. Min RH levels will be 20 to 30 percent in the valleys and 30 to 40 percent in the mountains this afternoon, then increasing significantly on tomorrow to 35 to 45 percent in the valleys and 45 to 65 percent in the mountains with the arrival of the upcoming weather system. Although quiet weather will briefly return this weekend with a brief warming trend, unsettled weather returns the first half of next week with periods of valley rain and mountain snow. Strong and gusty southwest winds are possible Monday and Tuesday with speeds of 15-20 mph and gusts around 30 mph. AZZ150-131430- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 346 PM MST Thu Feb 12 2026 .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........49 to 59 degs. 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............44 to 54 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Light winds. * 10000 ft MSL Wind........South 20 to 25 mph. .FRIDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........61 to 71 degs. 24 hr Trend...........Down 6 to 10 degs. * Min Humidity.............38 to 48 pct. 24 hr Trend...........Up 16 to 20 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............5669 ft AGL. * Transport winds..........South 16 to 18 knots. * Ventilation Category.....Excellent (102042 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........50 pct. * Chance of Thunder........20 pct. * Min Temperature..........40 to 50 degs. 24 hr Trend...........Down 7 to 11 degs. * Max Humidity.............82 to 92 pct. 24 hr Trend...........Up 36 to 40 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........West around 15 mph shifting to the northwest after midnight. .SATURDAY... * Sky/Weather..............Mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........65 to 75 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............31 to 41 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............4095 ft AGL. * Transport winds..........South 5 knots shifting to the northwest 6 knots in the afternoon. * Ventilation Category.....Fair (24570 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 42 to 52. Highs 71 to 81. Light winds. Minimum Humidity 19 to 28 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of showers. Lows 45 to 55. Highs 66 to 76. South wind around 25 mph. Minimum Humidity 26 to 36 pct. .TUESDAY...Mostly cloudy. Chance of showers. Lows 46 to 56. Highs 60 to 70. Southwest wind around 25 mph. Minimum Humidity 38 to 48 pct. .WEDNESDAY...Partly cloudy. Chance of showers. Lows 41 to 51. Highs 59 to 69. .THURSDAY...Mostly clear. Lows 36 to 46. Highs 61 to 71. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-131430- 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- 346 PM MST Thu Feb 12 2026 .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........45 to 55 degs. 24 hr Trend...........Little change. * Max Humidity.............51 to 61 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .FRIDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........56 to 66 degs. 24 hr Trend...........Down 6 to 10 degs. * Min Humidity.............42 to 52 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............5117 ft AGL. * Transport winds..........Southwest 16 to 19 knots. * Ventilation Category.....Very good (97223 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Mostly cloudy (75-85 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........80 pct. * Chance of Thunder........20 pct. * Min Temperature..........36 to 46 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............88 to 98 pct. 24 hr Trend...........Up 37 to 41 pct. * Wind (20 ft/10-min avg)..Southwest around 15 mph in the evening becoming light. * 10000 ft MSL Wind........West around 20 mph becoming northwest around 10 mph after midnight. .SATURDAY... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........59 to 69 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............37 to 47 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming northwest around 10 mph in the afternoon. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............4698 ft AGL. * Transport winds..........Northwest 7 to 8 knots. * Ventilation Category.....Fair (37584 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 37 to 47. Highs 66 to 76. Light winds. Minimum Humidity 19 to 29 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 41 to 51. Highs 64 to 74. South wind around 25 mph. Minimum Humidity 20 to 30 pct. .TUESDAY...Showers likely. Lows 42 to 52. Highs 55 to 65. Southwest wind around 30 mph. Minimum Humidity 42 to 52 pct. .WEDNESDAY...Partly cloudy. Chance of showers. Lows 36 to 46. Highs 55 to 65. .THURSDAY...Partly cloudy. Lows 32 to 42. Highs 58 to 68. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-131430- 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- 346 PM MST Thu Feb 12 2026 .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........45 to 55 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............52 to 62 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .FRIDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........57 to 67 degs. 24 hr Trend...........Down 6 to 10 degs. * Min Humidity.............43 to 53 pct. 24 hr Trend...........Up 15 to 19 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............5137 ft AGL. * Transport winds..........Southwest 16 to 19 knots. * Ventilation Category.....Very good (97603 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Numerous showers and isolated thunderstorms. * Chance of Precip.........80 pct. * Chance of Thunder........20 pct. * Min Temperature..........36 to 46 degs. 24 hr Trend...........Down 7 to 11 degs. * Max Humidity.............87 to 97 pct. 24 hr Trend...........Up 35 to 39 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........59 to 69 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. * Mixing height............4273 ft AGL. * Transport winds..........Northwest 11 to 13 knots. * Ventilation Category.....Good (55549 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 35 to 45. Highs 65 to 75. Southeast wind around 15 mph. Minimum Humidity 20 to 30 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 39 to 49. Highs 65 to 75. South wind around 20 mph. Minimum Humidity 18 to 28 pct. .TUESDAY...Mostly cloudy. Cooler. Chance of showers. Lows 41 to 51. Highs 55 to 65. Southwest wind around 25 mph. Minimum Humidity 42 to 52 pct. .WEDNESDAY...Partly cloudy. Chance of showers. Lows 35 to 45. Highs 55 to 65. .THURSDAY...Mostly clear. Lows 31 to 41. Highs 57 to 67. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-131430- 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- 346 PM MST Thu Feb 12 2026 .TONIGHT... * Sky/Weather..............Mostly cloudy (70-80 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........39 to 49 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............56 to 66 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest around 10 mph increasing to around 20 mph after midnight. .FRIDAY... * Sky/Weather..............Mostly cloudy (75-85 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........80 pct. * Chance of Thunder........20 pct. * Max Temperature..........47 to 57 degs. 24 hr Trend...........Down 6 to 10 degs. * Min Humidity.............51 to 61 pct. 24 hr Trend...........Up 22 to 26 pct. * Wind (20 ft/10-min avg)..South around 10 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............3121 ft AGL. * Transport winds..........Southeast 13 knots shifting to the southwest 16 knots in the afternoon. * Ventilation Category.....Good (49936 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Numerous showers and scattered snow showers. * Chance of Precip.........70 pct. * Chance of Thunder........0 pct. * Min Temperature..........30 to 40 degs. 24 hr Trend...........Down 7 to 11 degs. * Max Humidity.............84 to 94 pct. 24 hr Trend...........Up 21 to 25 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........52 to 62 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............29 to 39 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........North 15 to 20 mph. * Mixing height............5169 ft AGL. * Transport winds..........Northwest 13 to 15 knots. * Ventilation Category.....Very good (77535 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 31 to 41. Highs 55 to 65. East wind around 15 mph. Minimum Humidity 21 to 31 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 34 to 44. Highs 54 to 64. South wind around 20 mph. Minimum Humidity 19 to 28 pct. .TUESDAY...Cooler. Showers and slight chance of snow showers. Lows 35 to 45. Highs 42 to 52. Southwest wind around 20 mph. Minimum Humidity 50 to 60 pct. .WEDNESDAY...Mostly cloudy. Chance of snow showers and showers. Lows 29 to 39. Highs 43 to 53. .THURSDAY...Mostly clear. Lows 24 to 34. Highs 46 to 56. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-131430- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 346 PM MST Thu Feb 12 2026 .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Min Temperature..........41 to 51 degs. 24 hr Trend...........Little change. * Max Humidity.............47 to 57 pct. 24 hr Trend...........Down 15 to 19 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .FRIDAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Scattered showers and isolated thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........49 to 59 degs. 24 hr Trend...........Down 5 to 9 degs. * Min Humidity.............39 to 49 pct. 24 hr Trend...........Up 9 to 13 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............5426 ft AGL. * Transport winds..........Southwest 20 knots. * Ventilation Category.....Excellent (108520 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Mostly cloudy (70-80 pct). Showers, isolated thunderstorms and snow showers. * Chance of Precip.........90 pct. * Chance of Thunder........20 pct. * Min Temperature..........33 to 43 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............85 to 95 pct. 24 hr Trend...........Up 37 to 41 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West 15 to 20 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........50 to 60 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............41 to 51 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............4800 ft AGL. * Transport winds..........Northwest 11 knots. * Ventilation Category.....Good (52800 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 35 to 45. Highs 57 to 67. Southeast wind around 15 mph. Minimum Humidity 22 to 32 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 39 to 49. Highs 57 to 67. South wind around 25 mph. Minimum Humidity 20 to 30 pct. .TUESDAY...Mostly cloudy. Cooler. Chance of showers and slight chance of snow showers. Lows 39 to 49. Highs 47 to 57. Southwest wind around 30 mph. Minimum Humidity 43 to 53 pct. .WEDNESDAY...Partly cloudy. Chance of showers and snow showers. Lows 35 to 45. Highs 48 to 58. .THURSDAY...Mostly clear. Lows 30 to 40. Highs 50 to 60. 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