


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
042 FNUS55 KTWC 110932 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 232 AM MST Mon Aug 11 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...High temperatures will remain several degrees above normal this week. Daily chances for thunderstorms and wetting rains through the week with daily variability in coverage and intensity. Min RHs will generally be around 15-25 percent in the lower elevations and 20-35+ percent in the mountains. Winds will generally be less than 15 mph with typical afternoon gusts up to 20 mph into the new week, though stronger northwesterly winds possible in the Gila River Valley today with afternoon gusts up to 35 mph. AZZ150-112200- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 232 AM MST Mon Aug 11 2025 .TODAY... * Sky/Weather..............Mostly sunny (20-30 pct) then becoming partly cloudy (30-40 pct). * Chance of Precip.........10 pct. * Chance of Thunder........0 pct. * Max Temperature..........99 to 109 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............10631 ft AGL. * Transport winds..........Southwest 15 knots shifting to the west 12 knots in the afternoon. * Ventilation Category.....Excellent (127572 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (25-35 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........74 to 84 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............43 to 53 pct. 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..West around 10 mph shifting to the south after midnight. * 10000 ft MSL Wind........North 10 to 15 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........100 to 110 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............16 to 26 pct. 24 hr Trend...........Down 1 pct. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........North 5 to 10 mph. * Mixing height............10447 ft AGL. * Transport winds..........Southwest 11 to 12 knots. * Ventilation Category.....Excellent (125364 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 73 to 83. Highs 99 to 109. Light winds. Minimum Humidity 15 to 25 pct. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 73 to 83. Highs 97 to 107. Light winds. Minimum Humidity 18 to 28 pct. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 72 to 82. Highs 93 to 103. Light winds. Minimum Humidity 24 to 34 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 71 to 81. Highs 93 to 103. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 70 to 80. Highs 94 to 104. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-112200- 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- 232 AM MST Mon Aug 11 2025 .TODAY... * Sky/Weather..............Partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............20 to 30 pct. 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the northwest in the afternoon. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............10184 ft AGL. * Transport winds..........West 11 knots shifting to the northwest 14 knots in the afternoon. * Ventilation Category.....Excellent (142576 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........65 to 75 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............59 to 69 pct. 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the south after midnight. * 10000 ft MSL Wind........North 15 to 20 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (25-35 pct) then becoming mostly cloudy (50-60 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........93 to 103 degs. 24 hr Trend...........Little change. * Min Humidity.............18 to 28 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest around 10 mph shifting to the northwest in the afternoon. * 10000 ft MSL Wind........North around 15 mph decreasing to around 5 mph in the afternoon. * Mixing height............10786 ft AGL. * Transport winds..........West 8 to 11 knots. * Ventilation Category.....Excellent (118646 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Showers likely and chance of thunderstorms. Lows 64 to 74. Highs 91 to 101. Light winds. Minimum Humidity 19 to 29 pct. .THURSDAY...Mostly cloudy. Chance of thunderstorms and slight chance of showers. Lows 64 to 74. Highs 89 to 99. Light winds. Minimum Humidity 22 to 32 pct. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity 30 to 40 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 63 to 73. Highs 85 to 95. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 87 to 97. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-112200- 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- 232 AM MST Mon Aug 11 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........10 pct. * Chance of Thunder........10 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............17 to 27 pct. 24 hr Trend...........Down 3 to 6 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............11542 ft AGL. * Transport winds..........West 12 to 15 knots. * Ventilation Category.....Excellent (173130 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (45-55 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........64 to 74 degs. 24 hr Trend...........Little change. * Max Humidity.............58 to 68 pct. 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..West around 15 mph shifting to the southwest after midnight. * 10000 ft MSL Wind........Northwest 15 to 20 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (20-30 pct) then becoming mostly cloudy (55-65 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Max Temperature..........92 to 102 degs. 24 hr Trend...........Little change. * Min Humidity.............15 to 25 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........North around 15 mph becoming northwest around 5 mph in the afternoon. * Mixing height............9259 ft AGL. * Transport winds..........West 7 to 13 knots. * Ventilation Category.....Excellent (120367 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 90 to 100. Light winds. Minimum Humidity 17 to 27 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 63 to 73. Highs 90 to 100. Light winds. Minimum Humidity 19 to 29 pct. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 63 to 73. Highs 86 to 96. Light winds. Minimum Humidity 25 to 35 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 62 to 72. Highs 86 to 96. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 62 to 72. Highs 88 to 98. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-112200- 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- 232 AM MST Mon Aug 11 2025 .TODAY... * Sky/Weather..............Mostly sunny (15-25 pct) then becoming partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........84 to 94 degs. 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............14 to 24 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 15 to 20 mph. * Mixing height............12494 ft AGL. * Transport winds..........Northwest 15 to 17 knots. * Ventilation Category.....Excellent (212398 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). Chance of showers and slight chance of thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Min Temperature..........57 to 67 degs. 24 hr Trend...........Little change. * Max Humidity.............50 to 60 pct. 24 hr Trend...........Down 13 to 17 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........Northwest 20 to 25 mph. .TUESDAY... * Sky/Weather..............Mostly sunny (10-20 pct) then becoming mostly cloudy (60-70 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Down 1 deg. * Min Humidity.............15 to 24 pct. 24 hr Trend...........Up 1 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........North around 10 mph shifting to the west in the afternoon. * Mixing height............12187 ft AGL. * Transport winds..........Northwest 10 to 13 knots. * Ventilation Category.....Excellent (158431 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 65. Highs 81 to 91. Light winds. Minimum Humidity 20 to 30 pct. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 80 to 90. Light winds. Minimum Humidity 20 to 30 pct. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 56 to 66. Highs 77 to 87. Light winds. Minimum Humidity 26 to 36 pct. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 65. Highs 77 to 87. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 55 to 65. Highs 79 to 89. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-112200- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 232 AM MST Mon Aug 11 2025 .TODAY... * Sky/Weather..............Partly cloudy (30-40 pct) then becoming mostly cloudy (45-55 pct). Chance of thunderstorms and slight chance of showers. * Chance of Precip.........30 pct. * Chance of Thunder........30 pct. * Max Temperature..........81 to 91 degs. 24 hr Trend...........Up 1 deg. * Min Humidity.............22 to 32 pct. 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph. * 10000 ft MSL Wind........North 10 to 15 mph. * Mixing height............11276 ft AGL. * Transport winds..........Northwest 13 to 14 knots. * Ventilation Category.....Excellent (152226 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy (35-45 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........20 pct. * Chance of Thunder........20 pct. * Min Temperature..........60 to 70 degs. 24 hr Trend...........Up 1 deg. * Max Humidity.............56 to 66 pct. 24 hr Trend...........Down 14 to 18 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........North 15 to 20 mph. .TUESDAY... * Sky/Weather..............Partly cloudy (20-30 pct) then becoming mostly cloudy (65-75 pct). Slight chance of showers and thunderstorms. * Chance of Precip.........30 pct. * Chance of Thunder........20 pct. * Max Temperature..........82 to 92 degs. 24 hr Trend...........Little change. * Min Humidity.............24 to 34 pct. 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Northwest around 10 mph. * 10000 ft MSL Wind........North around 15 mph becoming northwest around 5 mph in the afternoon. * Mixing height............10760 ft AGL. * Transport winds..........West 8 to 12 knots. * Ventilation Category.....Excellent (107600 knot-ft). .Forecast days 3 through 7...... Winds in Days 3 through 5 are surface 20 ft/10-min avg .WEDNESDAY...Showers likely and chance of thunderstorms. Lows 58 to 68. Highs 80 to 90. Light winds. Minimum Humidity 24 to 34 pct. .THURSDAY...Showers likely and chance of thunderstorms. Lows 59 to 69. Highs 79 to 89. Light winds. Minimum Humidity 27 to 37 pct. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 58 to 68. Highs 75 to 85. Light winds. Minimum Humidity 36 to 46 pct. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 57 to 67. Highs 75 to 85. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 58 to 68. 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