447 FNUS55 KTWC 280931 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 231 AM MST Sat Feb 28 2026 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Well above normal afternoon temperatures are expected across Southeast Arizona into early next week with record or near record highs through Monday. All-time February records will be approached, tied or exceeded today . High temperatures will generally run 15-20 degrees above normal through this weekend then cool to be 5 to 10 degrees above the middle of next week. 20-foot winds west to northwest winds 10-15 mph with some higher gusts expected each afternoon through the weekend. A series of dry weather disturbances tracking through the Great Basin next week will result in breezy west to northwest winds 15 to 22 mph Monday, Tuesday and Thursday afternoon. Although widespread critical fire weather conditions are not anticipated at this time, brief localized conditions may be present. Minimum relative humidity of 10-20 percent this weekend through the middle of next week. AZZ150-282215- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 231 AM MST Sat Feb 28 2026 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........86 to 96 degs. 24 hr Trend...........Little change. * Min Humidity.............9 to 17 pct. 24 hr Trend...........Down 1 to 4 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............6824 ft AGL. * Transport winds..........East 6 knots shifting to the northwest in the afternoon. * Ventilation Category.....Very good (75064 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Little change. * Max Humidity.............29 to 39 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northwest 25 to 30 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........87 to 97 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............8 to 13 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........West 20 to 25 mph. * Mixing height............7707 ft AGL. * Transport winds..........South 6 knots shifting to the west 10 knots in the afternoon. * Ventilation Category.....Very good (77070 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 55 to 65. Highs 84 to 94. Southwest wind around 20 mph. Minimum Humidity 8 to 13 pct. .TUESDAY...Clear. Lows 49 to 59. Highs 76 to 86. West wind around 15 mph. Minimum Humidity 8 to 14 pct. .WEDNESDAY...Mostly clear. Lows 47 to 57. Highs 77 to 87. Light winds. Minimum Humidity 8 to 14 pct. .THURSDAY...Mostly clear. Lows 47 to 57. Highs 75 to 85. .FRIDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-282215- 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- 231 AM MST Sat Feb 28 2026 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........80 to 90 degs. 24 hr Trend...........Little change. * Min Humidity.............10 to 20 pct. 24 hr Trend...........Down 1 to 4 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............7086 ft AGL. * Transport winds..........East 5 knots shifting to the northwest 12 knots in the afternoon. * Ventilation Category.....Very good (85032 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Little change. * Max Humidity.............33 to 43 pct. 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........81 to 91 degs. 24 hr Trend...........Little change. * Min Humidity.............8 to 16 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........West 20 to 25 mph. * Mixing height............7401 ft AGL. * Transport winds..........Northwest 7 to 12 knots. * Ventilation Category.....Very good (88812 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 49 to 59. Highs 79 to 89. Southwest wind around 20 mph. Minimum Humidity 9 to 15 pct. .TUESDAY...Clear. Lows 45 to 55. Highs 72 to 82. Southwest wind around 20 mph. Minimum Humidity 9 to 16 pct. .WEDNESDAY...Mostly clear. Lows 42 to 52. Highs 72 to 82. Light winds. Minimum Humidity 9 to 16 pct. .THURSDAY...Mostly clear. Lows 42 to 52. Highs 70 to 80. .FRIDAY...Mostly clear. Lows 40 to 50. Highs 64 to 74. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-282215- 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- 231 AM MST Sat Feb 28 2026 .TODAY... * Sky/Weather..............Mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............11 to 21 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........Northwest 20 to 25 mph. * Mixing height............6714 ft AGL. * Transport winds..........North 6 knots shifting to the west 13 knots in the afternoon. * Ventilation Category.....Very good (87282 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........48 to 58 degs. 24 hr Trend...........Little change. * Max Humidity.............37 to 47 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Little change. * Min Humidity.............9 to 19 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........West 20 to 25 mph. * Mixing height............6738 ft AGL. * Transport winds..........West 7 to 15 knots. * Ventilation Category.....Excellent (101070 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 47 to 57. Highs 78 to 88. West wind around 20 mph. Minimum Humidity 8 to 16 pct. .TUESDAY...Clear. Lows 45 to 55. Highs 71 to 81. West wind around 20 mph. Minimum Humidity 10 to 16 pct. .WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. Light winds. Minimum Humidity 10 to 15 pct. .THURSDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. .FRIDAY...Mostly clear. Lows 39 to 49. 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) $$ AZZ153-282215- 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- 231 AM MST Sat Feb 28 2026 .TODAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........70 to 80 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............14 to 22 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..North around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............5933 ft AGL. * Transport winds..........North 7 knots shifting to the west 15 knots in the afternoon. * Ventilation Category.....Very good (88995 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........43 to 53 degs. 24 hr Trend...........Little change. * Max Humidity.............38 to 48 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........West around 15 mph increasing to northwest around 25 mph after midnight. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........69 to 79 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............11 to 19 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........West 20 to 25 mph. * Mixing height............5644 ft AGL. * Transport winds..........Northwest 12 to 19 knots. * Ventilation Category.....Excellent (107236 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Partly cloudy. Lows 43 to 53. Highs 66 to 76. West wind around 20 mph. Minimum Humidity 11 to 18 pct. .TUESDAY...Clear. Lows 38 to 48. Highs 59 to 69. West wind around 20 mph. Minimum Humidity 10 to 17 pct. .WEDNESDAY...Mostly clear. Lows 34 to 44. Highs 60 to 70. Light winds. Minimum Humidity 11 to 18 pct. .THURSDAY...Mostly clear. Lows 35 to 45. Highs 58 to 68. .FRIDAY...Mostly clear. Lows 33 to 43. 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) $$ AZZ154-282215- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 231 AM MST Sat Feb 28 2026 .TODAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........71 to 81 degs. 24 hr Trend...........Little change. * Min Humidity.............12 to 22 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph in the afternoon. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............7504 ft AGL. * Transport winds..........Northwest 6 to 12 knots. * Ventilation Category.....Good (67536 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........49 to 59 degs. 24 hr Trend...........Little change. * Max Humidity.............26 to 36 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .SUNDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........71 to 81 degs. 24 hr Trend...........Little change. * Min Humidity.............9 to 19 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........West 20 to 25 mph. * Mixing height............8820 ft AGL. * Transport winds..........Northwest 8 to 15 knots. * Ventilation Category.....Excellent (101430 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .MONDAY...Mostly clear. Lows 48 to 58. Highs 70 to 80. Southwest wind around 20 mph. Minimum Humidity 9 to 18 pct. .TUESDAY...Clear. Lows 44 to 54. Highs 63 to 73. West wind around 20 mph. Minimum Humidity 11 to 19 pct. .WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 62 to 72. Light winds. Minimum Humidity 10 to 19 pct. .THURSDAY...Mostly clear. Lows 40 to 50. Highs 61 to 71. .FRIDAY...Mostly clear. Lows 38 to 48. 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