Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
764
FNUS55 KTWC 210905
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
205 AM MST Fri Nov 21 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Below normal temperatures continue through the
weekend with minimum relative humidities above 30 percent, with a
minor dip to 25 percent in the valleys on today as southeastern
Arizona sits between two systems. The second system arrives late
Friday through Saturday bringing another round of showers and high
elevation mountain snow. Chances for showers remain west of
Tucson through Saturday morning, then spread east Saturday
afternoon and evening lingering Sunday. Temperatures below normal
Sunday and Monday then rise to near normal by the middle of next
week.
AZZ150-212215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
205 AM MST Fri Nov 21 2025
.TODAY...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers.
* Chance of Precip.........20 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........59 to 69 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southwest 25 to 30 mph.
* Mixing height............5458 ft AGL.
* Transport winds..........Southeast 14 to 15 knots.
* Ventilation Category.....Very good (81870 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct). Slight chance
of showers.
* Chance of Precip.........20 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........43 to 53 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............68 to 78 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
east after midnight.
* 10000 ft MSL Wind........South 30 to 35 mph.
.SATURDAY...
* Sky/Weather..............Mostly cloudy (45-55 pct). Chance of
showers.
* Chance of Precip.........60 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............43 to 53 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the
south in the afternoon.
* 10000 ft MSL Wind........South 35 to 40 mph.
* Mixing height............7506 ft AGL.
* Transport winds..........Southeast 16 to 19 knots.
* Ventilation Category.....Excellent (142614 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Partly cloudy. Chance of showers. Lows 43 to 53. Highs
57 to 67. Light winds. Minimum Humidity 56 to 66 pct.
.MONDAY...Mostly clear. Lows 40 to 50. Highs 59 to 69. Light
winds. Minimum Humidity 50 to 60 pct.
.TUESDAY...Mostly clear. Lows 39 to 49. Highs 63 to 73. Light
winds. Minimum Humidity 38 to 48 pct.
.WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75.
.THANKSGIVING DAY...Mostly clear. Lows 41 to 51. Highs 68 to 78.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-212215-
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-
205 AM MST Fri Nov 21 2025
.TODAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (50-60 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........57 to 67 degs.
24 hr Trend...........Up 5 to 9 degs.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............5117 ft AGL.
* Transport winds..........Southeast 13 to 15 knots.
* Ventilation Category.....Very good (76755 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (45-55 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........37 to 47 degs.
24 hr Trend...........Up 5 to 9 degs.
* Max Humidity.............68 to 78 pct.
24 hr Trend...........Down 14 to 18 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 25 to 30 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (30-40 pct) then becoming
mostly cloudy (60-70 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........61 to 71 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southeast 15 to 20 mph.
* 10000 ft MSL Wind........South 35 to 40 mph.
* Mixing height............5564 ft AGL.
* Transport winds..........Southeast 23 to 26 knots.
* Ventilation Category.....Excellent (144664 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly cloudy. Chance of showers. Lows 38 to 48. Highs
52 to 62. Light winds. Minimum Humidity 58 to 68 pct.
.MONDAY...Mostly clear. Lows 34 to 44. Highs 56 to 66. Light
winds. Minimum Humidity 49 to 59 pct.
.TUESDAY...Mostly clear. Lows 33 to 43. Highs 61 to 71. Light
winds. Minimum Humidity 31 to 41 pct.
.WEDNESDAY...Mostly clear. Lows 34 to 44. Highs 63 to 73.
.THANKSGIVING DAY...Mostly clear. Lows 35 to 45. Highs 65 to 75.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-212215-
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-
205 AM MST Fri Nov 21 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........54 to 64 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Down 20 to 24 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............4590 ft AGL.
* Transport winds..........Southeast 10 to 11 knots.
* Ventilation Category.....Good (50490 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (45-55 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........35 to 45 degs.
24 hr Trend...........Up 3 to 7 degs.
* Max Humidity.............66 to 76 pct.
24 hr Trend...........Down 17 to 21 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........South around 20 mph increasing to around
30 mph after midnight.
.SATURDAY...
* Sky/Weather..............Partly cloudy (25-35 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers and slight chance of thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........60 to 70 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
* Mixing height............5530 ft AGL.
* Transport winds..........Southeast 21 to 24 knots.
* Ventilation Category.....Excellent (132720 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 37 to 47. Highs 52 to 62. Light winds.
Minimum Humidity 57 to 67 pct.
.MONDAY...Mostly clear. Lows 33 to 43. Highs 55 to 65. Light
winds. Minimum Humidity 47 to 57 pct.
.TUESDAY...Mostly clear. Lows 32 to 42. Highs 59 to 69. Light
winds. Minimum Humidity 31 to 41 pct.
.WEDNESDAY...Mostly clear. Lows 32 to 42. Highs 59 to 69.
.THANKSGIVING DAY...Mostly clear. Lows 32 to 42. 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)
$$
AZZ153-212215-
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-
205 AM MST Fri Nov 21 2025
.TODAY...
* Sky/Weather..............Mostly cloudy (50-60 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........44 to 54 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Down 34 to 38 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southeast around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............3230 ft AGL.
* Transport winds..........East 10 knots shifting to the south in
the afternoon.
* Ventilation Category.....Fair (32300 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........31 to 41 degs.
24 hr Trend...........Up 4 to 8 degs.
* Max Humidity.............63 to 73 pct.
24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........South around 10 mph increasing to around
20 mph after midnight.
.SATURDAY...
* Sky/Weather..............Partly cloudy (25-35 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers.
* Chance of Precip.........50 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........50 to 60 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 25 to 30 mph.
* Mixing height............4436 ft AGL.
* Transport winds..........Southeast 22 to 25 knots.
* Ventilation Category.....Excellent (110900 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Cooler. Showers and slight chance of thunderstorms.
Lows 31 to 41. Highs 40 to 50. Light winds. Minimum Humidity
73 to 83 pct.
.MONDAY...Mostly clear. Lows 27 to 37. Highs 49 to 59. Light
winds. Minimum Humidity 45 to 55 pct.
.TUESDAY...Mostly clear. Lows 26 to 36. Highs 51 to 61. Light
winds. Minimum Humidity 29 to 39 pct.
.WEDNESDAY...Mostly clear. Lows 27 to 37. Highs 51 to 61.
.THANKSGIVING DAY...Mostly clear. Lows 29 to 39. Highs 54 to 64.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-212215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
205 AM MST Fri Nov 21 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........47 to 57 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............41 to 51 pct.
24 hr Trend...........Down 24 to 28 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............4851 ft AGL.
* Transport winds..........South 11 to 13 knots.
* Ventilation Category.....Good (58212 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........34 to 44 degs.
24 hr Trend...........Up 5 to 9 degs.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Down 18 to 22 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 25 to 30 mph.
.SATURDAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (45-55 pct). Chance of
showers.
* Chance of Precip.........50 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........51 to 61 degs.
24 hr Trend...........Up 3 to 6 degs.
* Min Humidity.............40 to 50 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southeast 15 to 20 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
* Mixing height............6267 ft AGL.
* Transport winds..........Southeast 22 to 25 knots.
* Ventilation Category.....Excellent (147274 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Showers likely. Lows 34 to 44. Highs 43 to 53.
Southwest wind around 15 mph. Minimum Humidity 68 to 78 pct.
.MONDAY...Mostly clear. Lows 30 to 40. Highs 48 to 58. Light
winds. Minimum Humidity 55 to 65 pct.
.TUESDAY...Mostly clear. Lows 31 to 41. Highs 52 to 62. Light
winds. Minimum Humidity 33 to 43 pct.
.WEDNESDAY...Mostly clear. Lows 32 to 42. Highs 52 to 62.
.THANKSGIVING DAY...Mostly clear. Lows 32 to 42. Highs 54 to 64.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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