####018016534#### FNUS55 KTWC 131238 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 538 AM MST Fri Feb 13 2026 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...A cold and wet winter weather system will move across the area today bringing widespread valley rain and high elevation snowfall. Isolated thunderstorms will also be possible with this system. Min RH levels today 30 to 40 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. AZZ150-132200- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 538 AM MST Fri Feb 13 2026 .TODAY... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........62 to 72 degs. 24 hr Trend...........Down 48 to 52 degs. * Min Humidity.............39 to 49 pct. 24 hr Trend...........Down 98 to 102 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........South around 25 mph becoming southwest around 15 mph in the afternoon. * Mixing height............4724 ft AGL. * Transport winds..........South 19 to 21 knots. * Ventilation Category.....Very good (99204 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (50-60 pct) then becoming partly cloudy (30-40 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........60 pct. * Chance of Thunder........20 pct. * Min Temperature..........41 to 51 degs. 24 hr Trend...........Down 7 to 11 degs. * Max Humidity.............79 to 89 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........Southwest around 15 mph shifting to the northwest after midnight. .SATURDAY... * Sky/Weather..............Mostly sunny (15-25 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 5 to 10 mph. * Mixing height............4552 ft AGL. * Transport winds..........South 6 knots shifting to the west 5 knots in the afternoon. * Ventilation Category.....Fair (22760 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 27 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of showers. Lows 44 to 54. Highs 66 to 76. South wind around 20 mph. Minimum Humidity 27 to 37 pct. .TUESDAY...Mostly cloudy. Chance of showers. Lows 45 to 55. Highs 61 to 71. Southwest wind around 20 mph. Minimum Humidity 31 to 41 pct. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows 41 to 51. Highs 61 to 71. .THURSDAY...Mostly clear. Lows 37 to 47. Highs 60 to 70. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-132200- 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- 538 AM MST Fri Feb 13 2026 .TODAY... * Sky/Weather..............Mostly cloudy (70-80 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Max Temperature..........55 to 65 degs. 24 hr Trend...........Down 48 to 52 degs. * Min Humidity.............46 to 56 pct. 24 hr Trend...........Down 98 to 102 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............4566 ft AGL. * Transport winds..........South 17 to 19 knots. * Ventilation Category.....Very good (86754 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (75-85 pct) then becoming partly cloudy (40-50 pct). Chance of showers and slight chance of 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.............87 to 97 pct. 24 hr Trend...........Up 37 to 41 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 15 mph shifting to the northwest after midnight. .SATURDAY... * Sky/Weather..............Partly cloudy (20-30 pct) then becoming mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........58 to 68 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............39 to 49 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........North 10 to 15 mph. * Mixing height............5164 ft AGL. * Transport winds..........Northwest 6 to 8 knots. * Ventilation Category.....Good (41312 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 36 to 46. Highs 66 to 76. Light winds. Minimum Humidity 20 to 30 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 40 to 50. Highs 64 to 74. South wind around 20 mph. Minimum Humidity 21 to 31 pct. .TUESDAY...Mostly cloudy. Chance of showers. Lows 41 to 51. Highs 56 to 66. Southwest wind around 20 mph. Minimum Humidity 36 to 46 pct. .WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows 37 to 47. Highs 57 to 67. .THURSDAY...Partly cloudy. Lows 33 to 43. Highs 56 to 66. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-132200- 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- 538 AM MST Fri Feb 13 2026 .TODAY... * Sky/Weather..............Mostly cloudy (70-80 pct). Showers likely. * Chance of Precip.........70 pct. * Chance of Thunder........0 pct. * Max Temperature..........57 to 67 degs. 24 hr Trend...........Down 48 to 52 degs. * Min Humidity.............45 to 55 pct. 24 hr Trend...........Down 98 to 102 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............4927 ft AGL. * Transport winds..........Southwest 16 to 19 knots. * Ventilation Category.....Very good (93613 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (60-70 pct). Chance of showers and slight chance of 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.............89 to 99 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 15 to 20 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly sunny (15-25 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........58 to 68 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............39 to 49 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 15 to 20 mph. * Mixing height............4351 ft AGL. * Transport winds..........Northwest 12 to 14 knots. * Ventilation Category.....Good (60914 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 64 to 74. Southeast wind around 15 mph. Minimum Humidity 22 to 32 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Lows 38 to 48. Highs 64 to 74. South wind around 15 mph. Minimum Humidity 21 to 31 pct. .TUESDAY...Mostly cloudy. Chance of showers. Lows 40 to 50. Highs 56 to 66. Southwest wind around 20 mph. Minimum Humidity 37 to 47 pct. .WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows 36 to 46. Highs 57 to 67. .THURSDAY...Partly cloudy. Lows 32 to 42. Highs 56 to 66. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-132200- 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- 538 AM MST Fri Feb 13 2026 .TODAY... * Sky/Weather..............Mostly cloudy (75-85 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........90 pct. * Chance of Thunder........20 pct. * Max Temperature..........46 to 56 degs. 24 hr Trend...........Down 48 to 52 degs. * Min Humidity.............53 to 63 pct. 24 hr Trend...........Down 98 to 102 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest around 25 mph decreasing to around 15 mph in the afternoon. * Mixing height............3385 ft AGL. * Transport winds..........South 15 to 16 knots. * Ventilation Category.....Good (54160 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers, snow showers and slight chance of thunderstorms. * Chance of Precip.........70 pct. * Chance of Thunder........20 pct. * Min Temperature..........30 to 40 degs. 24 hr Trend...........Down 7 to 11 degs. * Max Humidity.............86 to 96 pct. 24 hr Trend...........Up 21 to 25 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........West 15 to 20 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly sunny (5-15 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........51 to 61 degs. 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............33 to 43 pct. 24 hr Trend...........Down 16 to 20 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............4541 ft AGL. * Transport winds..........Northwest 14 to 15 knots. * Ventilation Category.....Good (68115 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Partly cloudy. Lows 30 to 40. Highs 55 to 65. Light winds. Minimum Humidity 23 to 33 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 34 to 44. Highs 55 to 65. Southeast wind around 15 mph. Minimum Humidity 21 to 31 pct. .TUESDAY...Cooler. Snow showers and chance of showers. Lows 34 to 44. Highs 44 to 54. Southwest wind around 15 mph. Minimum Humidity 46 to 56 pct. .WEDNESDAY...Mostly cloudy. Chance of snow showers and showers. Lows 29 to 39. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 35. Highs 44 to 54. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-132200- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 538 AM MST Fri Feb 13 2026 .TODAY... * Sky/Weather..............Mostly cloudy (70-80 pct). Showers likely. * Chance of Precip.........70 pct. * Chance of Thunder........0 pct. * Max Temperature..........49 to 59 degs. 24 hr Trend...........Down 48 to 52 degs. * Min Humidity.............42 to 52 pct. 24 hr Trend...........Down 98 to 102 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............5053 ft AGL. * Transport winds..........Southwest 18 to 19 knots. * Ventilation Category.....Very good (93480 knot-ft). .TONIGHT... * Sky/Weather..............Mostly cloudy (65-75 pct). Chance of showers, slight chance of thunderstorms and snow showers. * Chance of Precip.........80 pct. * Chance of Thunder........20 pct. * Min Temperature..........32 to 42 degs. 24 hr Trend...........Down 5 to 9 degs. * Max Humidity.............86 to 96 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) then becoming mostly sunny (10-20 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........49 to 59 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............48 to 58 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............4826 ft AGL. * Transport winds..........Northwest 10 to 11 knots. * Ventilation Category.....Good (50673 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 24 to 34 pct. .WASHINGTONS BIRTHDAY...Mostly cloudy. Slight chance of showers. Lows 39 to 49. Highs 56 to 66. South wind around 20 mph. Minimum Humidity 23 to 33 pct. .TUESDAY...Mostly cloudy. Chance of showers and snow showers. Lows 38 to 48. Highs 48 to 58. Southwest wind around 25 mph. Minimum Humidity 40 to 50 pct. .WEDNESDAY...Mostly cloudy. Slight chance of rain and snow showers. Lows 36 to 46. Highs 50 to 60. .THURSDAY...Partly cloudy. Lows 31 to 41. Highs 48 to 58. 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