899 FNUS55 KTWC 282142 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 150, 151, 152, 153, AND 154... +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Dry conditions through much of the upcoming week with minimum relative humidity levels in the 10-20 percent range with the more elevated RHs along the international border. Expect 20-foot winds from the southwest 15-25 mph and gusts to 35-40 mph through this evening. Outside of the Red Flag that is in effect until this evening, elevated fire weather conditions are expected Monday as well, especially from Tucson west. Winds will be lower the middle of next week. Moisture may begin to creep back into the south late next week however current forecast minimum relative humidities stay mainly below 15 percent for now. AZZ150-291415- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .TONIGHT... * Sky/Weather..............Mostly clear (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........66 to 76 degs. 24 hr Trend...........Down 3 to 6 degs. * Max Humidity.............30 to 40 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..South 15 to 20 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. .MONDAY... * Sky/Weather..............Mostly sunny (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............10 to 20 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Breezy. South 15 to 25 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. * Mixing height............11196 ft AGL. * Transport winds..........South 23 to 25 knots. * Ventilation Category.....Excellent (279900 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly clear (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........62 to 72 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............27 to 37 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..South 15 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........90 to 100 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............8 to 18 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............10756 ft AGL. * Transport winds..........South 21 to 22 knots. * Ventilation Category.....Excellent (236632 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Clear. Lows 59 to 69. Highs 92 to 102. South wind around 15 mph. Minimum Humidity 4 to 12 pct. .THURSDAY...Mostly clear. Lows 61 to 71. Highs 95 to 105. Light winds. Minimum Humidity 3 to 10 pct. .FRIDAY...Mostly cloudy. Lows 64 to 74. Highs 97 to 107. Light winds. Minimum Humidity 5 to 10 pct. .INDEPENDENCE DAY...Mostly cloudy. Lows 68 to 78. Highs 98 to 108. .SUNDAY...Partly cloudy. Lows 69 to 79. Highs 100 to 110. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-291415- 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- 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .TONIGHT... * Sky/Weather..............Clear (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........61 to 71 degs. 24 hr Trend...........Little change. * Max Humidity.............32 to 42 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 30 to 35 mph. .MONDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............12 to 22 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..Breezy. Southwest 15 to 25 mph. * 10000 ft MSL Wind........Southwest around 35 mph decreasing to around 25 mph in the afternoon. * Mixing height............7995 ft AGL. * Transport winds..........Southwest 23 to 24 knots. * Ventilation Category.....Excellent (191880 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly clear (5-15 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.............35 to 45 pct. 24 hr Trend...........Up 5 to 9 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Little change. * Min Humidity.............8 to 18 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Breezy. South 15 to 25 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............7411 ft AGL. * Transport winds..........South 23 to 24 knots. * Ventilation Category.....Excellent (177864 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Clear. Lows 55 to 65. Highs 89 to 99. Southwest wind around 15 mph. Minimum Humidity 5 to 10 pct. .THURSDAY...Mostly clear. Lows 56 to 66. Highs 91 to 101. Southwest wind around 15 mph. Minimum Humidity 5 to 10 pct. .FRIDAY...Partly cloudy. Lows 60 to 70. Highs 92 to 102. Southwest wind around 15 mph. Minimum Humidity 7 to 13 pct. .INDEPENDENCE DAY...Mostly cloudy. Lows 63 to 73. Highs 92 to 102. .SUNDAY...Partly cloudy. Lows 64 to 74. Highs 94 to 104. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-291415- 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- 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .TONIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........61 to 71 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Breezy. West around 25 mph becoming southwest around 15 mph after midnight. * 10000 ft MSL Wind........Southwest 30 to 35 mph. .MONDAY... * Sky/Weather..............Mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........90 to 100 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............10 to 20 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............10490 ft AGL. * Transport winds..........Southwest 20 to 21 knots. * Ventilation Category.....Excellent (220290 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly clear (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Up 1 to 4 degs. * Max Humidity.............38 to 48 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Little change. * Min Humidity.............8 to 18 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............11230 ft AGL. * Transport winds..........Southwest 19 to 20 knots. * Ventilation Category.....Excellent (224600 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Clear. Lows 57 to 67. Highs 89 to 99. Southwest wind around 15 mph. Minimum Humidity 4 to 11 pct. .THURSDAY...Mostly clear. Lows 57 to 67. Highs 92 to 102. Southwest wind around 15 mph. Minimum Humidity 4 to 10 pct. .FRIDAY...Partly cloudy. Lows 60 to 70. Highs 93 to 103. West wind around 15 mph. Minimum Humidity 6 to 12 pct. .INDEPENDENCE DAY...Mostly cloudy. Lows 64 to 74. Highs 93 to 103. .SUNDAY...Partly cloudy. Lows 64 to 74. Highs 95 to 105. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-291415- 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- 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .TONIGHT... * Sky/Weather..............Clear (0-10 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........54 to 64 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............34 to 44 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..West 15 to 20 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. .MONDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............9570 ft AGL. * Transport winds..........Southwest 22 knots. * Ventilation Category.....Excellent (210540 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........52 to 62 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............30 to 40 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Little change. * Min Humidity.............10 to 18 pct. 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..South 15 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............10727 ft AGL. * Transport winds..........Southwest 20 to 22 knots. * Ventilation Category.....Excellent (235994 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Clear. Lows 49 to 59. Highs 79 to 89. West wind around 15 mph. Minimum Humidity 5 to 9 pct. .THURSDAY...Mostly clear. Lows 49 to 59. Highs 81 to 91. West wind around 15 mph. Minimum Humidity 5 to 8 pct. .FRIDAY...Partly cloudy. Lows 53 to 63. Highs 83 to 93. Light winds. Minimum Humidity 7 to 12 pct. .INDEPENDENCE DAY...Mostly cloudy. Lows 57 to 67. Highs 83 to 93. .SUNDAY...Partly cloudy. Lows 57 to 67. Highs 85 to 95. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-291415- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 242 PM MST Sun Jun 28 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .TONIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........57 to 67 degs. 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............33 to 43 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Breezy. Southwest 15 to 25 mph. * 10000 ft MSL Wind........Southwest 30 to 35 mph. .MONDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........79 to 89 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............18 to 28 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Breezy. Southwest 15 to 25 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............11408 ft AGL. * Transport winds..........Southwest 22 to 23 knots. * Ventilation Category.....Excellent (256680 knot-ft). .MONDAY NIGHT... * Sky/Weather..............Mostly clear (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............40 to 50 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 20 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (5-15 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............13 to 23 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..Breezy. Southwest 15 to 25 mph. * 10000 ft MSL Wind........Southwest 25 to 30 mph. * Mixing height............12413 ft AGL. * Transport winds..........Southwest 21 to 22 knots. * Ventilation Category.....Excellent (266879 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Clear. Lows 52 to 62. Highs 79 to 89. Southwest wind around 15 mph. Minimum Humidity 6 to 12 pct. .THURSDAY...Mostly clear. Lows 53 to 63. Highs 81 to 91. Light winds. Minimum Humidity 5 to 12 pct. .FRIDAY...Partly cloudy. Lows 57 to 67. Highs 83 to 93. Southwest wind around 15 mph. Minimum Humidity 7 to 15 pct. .INDEPENDENCE DAY...Mostly cloudy. Lows 60 to 70. Highs 82 to 92. .SUNDAY...Partly cloudy. Lows 60 to 70. Highs 85 to 95. 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