


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
051 FNUS55 KTWC 121014 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 314 AM MST Wed Mar 12 2025 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION... Light winds and minimum relative humidities generally above 25-30 percent across southeastern Arizona today. A stronger system is expected to impact the region Thursday into Friday. Strong southwest winds of 25-35 mph are expected with gusts up to 55 mph from late Thursday afternoon through the evening. Widespread chances for rain and mountain snow will cross from west to east from Thursday afternoon through the overnight hours. Minimum relative humidities are expected to be high enough Thursday to prevent greater fire weather concerns. Below average temperatures and high minimum relative humidities remain in place through Saturday with breezy conditions. Becoming warmer and drier Sunday and Monday. AZZ150-122215- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O`odham Nation-Tucson Metropolitan area-TDC- 314 AM MST Wed Mar 12 2025 .TODAY... * Sky/Weather..............Partly cloudy then becoming mostly sunny. * Max Temperature..........64 to 74 degs. * 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............34 to 44 pct. * 24 hr Trend...........Up 14 to 18 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........West 20 to 25 mph. * Chance of Precip.........10 pct. * Mixing Height............6803 ft agl. * Transport Winds..........South 14 knots. * Ventilation Category.....Very good (95242 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy. * Min Temperature..........42 to 52 degs. * 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............73 to 83 pct. * 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..South 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 25 mph increasing to around 35 mph after midnight. * Chance of Precip.........0 pct. .THURSDAY... * Sky/Weather..............Partly cloudy then becoming mostly cloudy. Patchy blowing dust. Chance of showers and slight chance of thunderstorms. * Max Temperature..........59 to 69 degs. * 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............39 to 49 pct. * 24 hr Trend...........Up 5 to 9 pct. * Wind (20 ft/10-min avg)..Windy. South 20 to 30 mph. * 10000 ft MSL Wind........Southwest 45 to 50 mph. * Chance of Precip.........70 pct. * Mixing Height............8386 ft agl. * Transport Winds..........South 28 knots increasing to southwest 38 knots in the afternoon. * Ventilation Category.....Excellent (318668 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .FRIDAY...Partly cloudy. Slight chance of showers. Lows 33 to 43. Highs 50 to 60. Southwest wind around 25 mph. Minimum Humidity 35 to 45 pct. .SATURDAY...Partly cloudy. Chance of showers. Lows 35 to 45. Highs 57 to 67. West wind around 15 mph. Minimum Humidity 30 to 40 pct. .SUNDAY...Mostly clear. Warmer. Lows 35 to 45. Highs 68 to 78. Light winds. Minimum Humidity 15 to 25 pct. .MONDAY...Partly cloudy. Lows 42 to 52. Highs 75 to 85. .TUESDAY...Mostly clear. Cooler. Lows 42 to 52. Highs 64 to 74. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-122215- 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- 314 AM MST Wed Mar 12 2025 .TODAY... * Sky/Weather..............Partly cloudy then becoming mostly sunny. Slight chance of showers. * Max Temperature..........60 to 70 degs. * 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............31 to 41 pct. * 24 hr Trend...........Up 22 to 26 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........West 20 to 25 mph. * Chance of Precip.........20 pct. * Mixing Height............5227 ft agl. * Transport Winds..........Southwest 12 to 16 knots. * Ventilation Category.....Very good (83632 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy. * Min Temperature..........37 to 47 degs. * 24 hr Trend...........Little change. * Max Humidity.............70 to 80 pct. * 24 hr Trend...........Down 7 to 11 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 20 mph increasing to around 35 mph after midnight. * Chance of Precip.........0 pct. .THURSDAY... * Sky/Weather..............Partly cloudy. Patchy blowing dust. Chance of showers. * Max Temperature..........58 to 68 degs. * 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............35 to 45 pct. * 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Windy. South 20 to 30 mph. * 10000 ft MSL Wind........Southwest around 40 mph increasing to around 50 mph in the afternoon. * Chance of Precip.........40 pct. * Mixing Height............7169 ft agl. * Transport Winds..........South 27 knots increasing to southwest 37 knots in the afternoon. * Ventilation Category.....Excellent (265253 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .FRIDAY...Cooler. Snow showers likely and chance of showers. Lows 28 to 38. Highs 43 to 53. West wind around 25 mph. Minimum Humidity 40 to 50 pct. .SATURDAY...Partly cloudy. Chance of showers and snow showers. Lows 28 to 38. Highs 50 to 60. West wind around 15 mph. Minimum Humidity 39 to 49 pct. .SUNDAY...Mostly clear. Warmer. Lows 29 to 39. Highs 63 to 73. Light winds. Minimum Humidity 18 to 28 pct. .MONDAY...Partly cloudy. Lows 37 to 47. Highs 71 to 81. .TUESDAY...Mostly clear. Cooler. Lows 37 to 47. Highs 61 to 71. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-122215- 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- 314 AM MST Wed Mar 12 2025 .TODAY... * Sky/Weather..............Mostly cloudy then becoming partly cloudy. Chance of showers. * Max Temperature..........59 to 69 degs. * 24 hr Trend...........Down 4 to 8 degs. * Min Humidity.............35 to 45 pct. * 24 hr Trend...........Up 25 to 29 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West around 30 mph decreasing to around 20 mph in the afternoon. * Chance of Precip.........50 pct. * Mixing Height............5824 ft agl. * Transport Winds..........West 12 to 14 knots. * Ventilation Category.....Very good (81536 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy. * Min Temperature..........36 to 46 degs. * 24 hr Trend...........Little change. * Max Humidity.............63 to 73 pct. * 24 hr Trend...........Down 5 to 9 pct. * Wind (20 ft/10-min avg)..West around 10 mph shifting to the south after midnight. * 10000 ft MSL Wind........Southwest around 20 mph increasing to around 35 mph after midnight. * Chance of Precip.........0 pct. .THURSDAY... * Sky/Weather..............Partly cloudy. Patchy blowing dust. Chance of showers. * Max Temperature..........61 to 71 degs. * 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............27 to 37 pct. * 24 hr Trend...........Down 4 to 8 pct. * Wind (20 ft/10-min avg)..Windy. South around 20 mph increasing to southwest around 30 mph in the afternoon. * 10000 ft MSL Wind........Southwest 40 to 45 mph. * Chance of Precip.........20 pct. * Mixing Height............9146 ft agl. * Transport Winds..........South 23 knots increasing to southwest 36 knots in the afternoon. * Ventilation Category.....Excellent (329256 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .FRIDAY...Cooler. Patchy blowing dust. Snow showers and showers. Lows 29 to 39. Highs 43 to 53. West wind around 30 mph. Minimum Humidity 40 to 50 pct. .SATURDAY...Partly cloudy. Chance of showers and snow showers. Lows 27 to 37. Highs 48 to 58. West wind around 20 mph. Minimum Humidity 39 to 49 pct. .SUNDAY...Mostly clear. Warmer. Lows 27 to 37. Highs 61 to 71. Light winds. Minimum Humidity 17 to 27 pct. .MONDAY...Partly cloudy. Lows 34 to 44. Highs 69 to 79. .TUESDAY...Mostly clear. Lows 37 to 47. Highs 61 to 71. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-122215- 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- 314 AM MST Wed Mar 12 2025 .TODAY... * Sky/Weather..............Mostly cloudy then becoming partly cloudy. Chance of showers and snow showers. * Max Temperature..........47 to 57 degs. * 24 hr Trend...........Down 4 to 8 degs. * Min Humidity.............42 to 52 pct. * 24 hr Trend...........Up 27 to 31 pct. * Wind (20 ft/10-min avg)..West around 10 mph. * 10000 ft MSL Wind........West around 30 mph decreasing to around 20 mph in the afternoon. * Chance of Precip.........60 pct. * Mixing Height............4783 ft agl. * Transport Winds..........West 13 to 14 knots. * Ventilation Category.....Good (66962 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy. * Min Temperature..........30 to 40 degs. * 24 hr Trend...........Little change. * Max Humidity.............71 to 81 pct. * 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..West around 10 mph in the evening becoming light. * 10000 ft MSL Wind........Southwest around 20 mph increasing to around 30 mph after midnight. * Chance of Precip.........0 pct. .THURSDAY... * Sky/Weather..............Partly cloudy. Chance of showers. * Max Temperature..........48 to 58 degs. * 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............34 to 44 pct. * 24 hr Trend...........Down 6 to 10 pct. * Wind (20 ft/10-min avg)..Breezy. South around 15 mph increasing to southwest around 25 mph in the afternoon. * 10000 ft MSL Wind........Southwest 30 to 35 mph. * Chance of Precip.........40 pct. * Mixing Height............6945 ft agl. * Transport Winds..........South 21 knots increasing to southwest 34 knots in the afternoon. * Ventilation Category.....Excellent (236130 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .FRIDAY...Mostly cloudy. Colder. Patchy blowing snow. Chance of snow showers. Lows 21 to 31. Highs 31 to 41. West wind around 30 mph. Minimum Humidity 50 to 60 pct. .SATURDAY...Mostly cloudy. Chance of snow showers. Lows 22 to 32. Highs 36 to 46. West wind around 20 mph. Minimum Humidity 52 to 62 pct. .SUNDAY...Mostly clear. Warmer. Lows 20 to 30. Highs 50 to 60. Light winds. Minimum Humidity 25 to 35 pct. .MONDAY...Partly cloudy. Lows 29 to 39. Highs 56 to 66. .TUESDAY...Mostly clear. Lows 31 to 41. Highs 48 to 58. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-122215- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 314 AM MST Wed Mar 12 2025 .TODAY... * Sky/Weather..............Partly cloudy then becoming mostly sunny. Slight chance of showers. * Max Temperature..........50 to 60 degs. * 24 hr Trend...........Down 3 to 6 degs. * Min Humidity.............38 to 48 pct. * 24 hr Trend...........Up 26 to 30 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West around 30 mph decreasing to around 20 mph in the afternoon. * Chance of Precip.........40 pct. * Mixing Height............6266 ft agl. * Transport Winds..........West 14 to 17 knots. * Ventilation Category.....Very good (97123 knot-ft). .TONIGHT... * Sky/Weather..............Partly cloudy. * Min Temperature..........34 to 44 degs. * 24 hr Trend...........Up 2 to 5 degs. * Max Humidity.............62 to 72 pct. * 24 hr Trend...........Down 14 to 18 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph. * 10000 ft MSL Wind........Southwest around 20 mph increasing to around 35 mph after midnight. * Chance of Precip.........0 pct. .THURSDAY... * Sky/Weather..............Partly cloudy. Chance of showers. * Max Temperature..........49 to 59 degs. * 24 hr Trend...........Little change. * Min Humidity.............36 to 46 pct. * 24 hr Trend...........Down 3 to 7 pct. * Wind (20 ft/10-min avg)..Windy. Southwest 20 to 30 mph. * 10000 ft MSL Wind........Southwest 40 to 45 mph. * Chance of Precip.........30 pct. * Mixing Height............9633 ft agl. * Transport Winds..........Southwest 28 knots increasing to 39 knots in the afternoon. * Ventilation Category.....Excellent (375687 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .FRIDAY...Mostly cloudy. Colder. Patchy blowing snow. Slight chance of snow showers. Lows 24 to 34. Highs 34 to 44. West wind around 35 mph. Minimum Humidity 47 to 57 pct. .SATURDAY...Partly cloudy. Chance of snow showers. Lows 26 to 36. Highs 40 to 50. West wind around 20 mph. Minimum Humidity 46 to 56 pct. .SUNDAY...Mostly clear. Warmer. Lows 26 to 36. Highs 53 to 63. Northeast wind around 15 mph. Minimum Humidity 21 to 31 pct. .MONDAY...Partly cloudy. Lows 35 to 45. Highs 62 to 72. .TUESDAY...Mostly clear. Cooler. Lows 37 to 47. Highs 52 to 62. 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