


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
134 FNUS55 KTWC 222151 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 251 PM MST Thu May 22 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Occasionally gusty winds continue into this evening. Stronger winds are expected Friday as a weather system approaches the area. At this time, wind speeds should stay below critical fire weather thresholds (Southwest 15-20 mph with gusts to 30-35 mph). Single digit min RH values at all elevations over the next week with poor overnight recoveries. There is the potential for some mid-level moisture to move into far eastern areas (east of Tucson) by the middle of next week. This may lead to some afternoon buildups and/or isolated dry lightning strikes Tuesday through Thursday next week. AZZ150-231300- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 251 PM MST Thu May 22 2025 .TONIGHT... * Sky/Weather..............Mostly clear (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Little change. * Max Humidity.............17 to 27 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..Southwest around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........Southwest 15 to 20 mph. .FRIDAY... * Sky/Weather..............Mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............4 to 10 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............11321 ft AGL. * Transport winds..........South 16 to 21 knots. * Ventilation Category.....Excellent (237741 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........59 to 69 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............17 to 27 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly sunny (20-30 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.............4 to 14 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............10967 ft AGL. * Transport winds..........South 16 to 19 knots. * Ventilation Category.....Excellent (208373 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly clear. Lows 56 to 66. Highs 88 to 98. Light winds. Minimum Humidity 4 to 11 pct. .MEMORIAL DAY...Mostly clear. Lows 57 to 67. Highs 90 to 100. Light winds. Minimum Humidity 4 to 10 pct. .TUESDAY...Mostly clear. Lows 59 to 69. Highs 91 to 101. South wind around 15 mph. Minimum Humidity 4 to 11 pct. .WEDNESDAY...Mostly clear. Lows 59 to 69. Highs 91 to 101. .THURSDAY...Mostly clear. Lows 60 to 70. Highs 92 to 102. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-231300- 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- 251 PM MST Thu May 22 2025 .TONIGHT... * Sky/Weather..............Mostly clear (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........55 to 65 degs. 24 hr Trend...........Little change. * Max Humidity.............17 to 27 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. .FRIDAY... * Sky/Weather..............Mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........88 to 98 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............5 to 9 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............9138 ft AGL. * Transport winds..........Southwest 15 to 20 knots. * Ventilation Category.....Excellent (182760 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........53 to 63 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............20 to 30 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........84 to 94 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............5 to 9 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............8805 ft AGL. * Transport winds..........South 15 to 20 knots. * Ventilation Category.....Excellent (176100 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly clear. Lows 52 to 62. Highs 82 to 92. Southwest wind around 15 mph. Minimum Humidity 5 to 10 pct. .MEMORIAL DAY...Mostly clear. Lows 52 to 62. Highs 85 to 95. Southwest wind around 15 mph. Minimum Humidity 4 to 9 pct. .TUESDAY...Mostly clear. Lows 53 to 63. Highs 86 to 96. South wind around 15 mph. Minimum Humidity 5 to 9 pct. .WEDNESDAY...Mostly clear. Lows 54 to 64. Highs 87 to 97. .THURSDAY...Mostly clear. Lows 55 to 65. Highs 88 to 98. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-231300- 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- 251 PM MST Thu May 22 2025 .TONIGHT... * Sky/Weather..............Mostly clear (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........56 to 66 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............14 to 24 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly sunny (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........89 to 99 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............4 to 8 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............11323 ft AGL. * Transport winds..........Southwest 12 to 20 knots. * Ventilation Category.....Excellent (226460 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Partly cloudy (25-35 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.............18 to 28 pct. 24 hr Trend...........Up 3 to 6 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........85 to 95 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............4 to 9 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............10760 ft AGL. * Transport winds..........Southwest 12 to 19 knots. * Ventilation Category.....Excellent (204440 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly clear. Lows 52 to 62. Highs 83 to 93. West wind around 15 mph. Minimum Humidity 4 to 9 pct. .MEMORIAL DAY...Mostly clear. Lows 51 to 61. Highs 85 to 95. West wind around 15 mph. Minimum Humidity 4 to 9 pct. .TUESDAY...Mostly clear. Lows 54 to 64. Highs 86 to 96. Southwest wind around 15 mph. Minimum Humidity 5 to 8 pct. .WEDNESDAY...Mostly clear. Lows 54 to 64. Highs 87 to 97. .THURSDAY...Mostly clear. Lows 56 to 66. Highs 87 to 97. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-231300- 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- 251 PM MST Thu May 22 2025 .TONIGHT... * Sky/Weather..............Mostly clear (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........50 to 60 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............14 to 24 pct. 24 hr Trend...........Up 4 to 8 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (25-35 pct) then becoming mostly sunny (10-20 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............5 to 9 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............10280 ft AGL. * Transport winds..........Southwest 16 to 21 knots. * Ventilation Category.....Excellent (215880 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........48 to 58 degs. 24 hr Trend...........Down 1 deg. * Max Humidity.............17 to 27 pct. 24 hr Trend...........Up 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (35-45 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........74 to 84 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............5 to 10 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............9416 ft AGL. * Transport winds..........Southwest 11 to 18 knots. * Ventilation Category.....Excellent (169488 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly clear. Lows 46 to 56. Highs 73 to 83. West wind around 15 mph. Minimum Humidity 6 to 10 pct. .MEMORIAL DAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. West wind around 15 mph. Minimum Humidity 5 to 10 pct. .TUESDAY...Mostly clear. Lows 47 to 57. Highs 75 to 85. West wind around 15 mph. Minimum Humidity 6 to 11 pct. .WEDNESDAY...Mostly clear. Lows 48 to 58. Highs 76 to 86. .THURSDAY...Mostly clear. Lows 49 to 59. Highs 76 to 86. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-231300- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 251 PM MST Thu May 22 2025 .TONIGHT... * Sky/Weather..............Mostly clear (15-25 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........54 to 64 degs. 24 hr Trend...........Little change. * Max Humidity.............15 to 23 pct. 24 hr Trend...........Up 2 to 5 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. .FRIDAY... * Sky/Weather..............Partly cloudy (25-35 pct) then becoming mostly sunny (20-30 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........78 to 88 degs. 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............5 to 11 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Mixing height............12371 ft AGL. * Transport winds..........Southwest 17 to 20 knots. * Ventilation Category.....Excellent (228863 knot-ft). .FRIDAY NIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Min Temperature..........51 to 61 degs. 24 hr Trend...........Down 2 to 5 degs. * Max Humidity.............19 to 29 pct. 24 hr Trend...........Up 3 to 7 pct. * Wind (20 ft/10-min avg)..Southwest 15 to 20 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. .SATURDAY... * Sky/Weather..............Partly cloudy (30-40 pct). * Chance of Precip.........0 pct. * Chance of Thunder........0 pct. * Max Temperature..........74 to 84 degs. 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............5 to 10 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Mixing height............11231 ft AGL. * Transport winds..........Southwest 15 to 20 knots. * Ventilation Category.....Excellent (196542 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .SUNDAY...Mostly clear. Lows 49 to 59. Highs 72 to 82. West wind around 15 mph. Minimum Humidity 5 to 11 pct. .MEMORIAL DAY...Mostly clear. Lows 48 to 58. Highs 74 to 84. Southwest wind around 15 mph. Minimum Humidity 4 to 11 pct. .TUESDAY...Mostly clear. Lows 50 to 60. Highs 75 to 85. Southwest wind around 15 mph. Minimum Humidity 5 to 10 pct. .WEDNESDAY...Mostly clear. Lows 51 to 61. Highs 76 to 86. .THURSDAY...Mostly clear. Lows 52 to 62. Highs 77 to 87. 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