Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
803
FNUS55 KTWC 212015
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
115 PM MST Fri Nov 21 2025
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.DISCUSSION...Below normal temperatures continue through the
weekend with minimum relative humidities above 30 percent. 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.
AZZ150-221415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
115 PM MST Fri Nov 21 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........43 to 53 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............65 to 75 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..East around 10 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
.SATURDAY...
* Sky/Weather..............Partly cloudy (45-55 pct) then becoming
mostly cloudy (60-70 pct). Chance of
showers.
* Chance of Precip.........60 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........64 to 74 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............36 to 46 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southeast around 15 mph shifting to the
south in the afternoon.
* 10000 ft MSL Wind........South 35 to 40 mph.
* Mixing height............8476 ft AGL.
* Transport winds..........Southeast 17 to 21 knots.
* Ventilation Category.....Excellent (177996 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........80 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........45 to 55 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............88 to 98 pct.
24 hr Trend...........Up 21 to 25 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........South 25 to 30 mph.
.SUNDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........57 to 67 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............60 to 70 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
southwest in the afternoon.
* 10000 ft MSL Wind........Southwest 15 to 20 mph.
* Mixing height............4464 ft AGL.
* Transport winds..........Southwest 9 knots.
* Ventilation Category.....Good (40176 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 41 to 51. Highs 60 to 70. Light
winds. Minimum Humidity 49 to 59 pct.
.TUESDAY...Mostly clear. Lows 39 to 49. Highs 63 to 73. Light
winds. Minimum Humidity 39 to 49 pct.
.WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 67 to 77. Light
winds. Minimum Humidity 28 to 38 pct.
.THANKSGIVING DAY...Mostly clear. Lows 42 to 52. Highs 69 to 79.
.FRIDAY...Mostly clear. Lows 43 to 53. Highs 70 to 80.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-221415-
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-
115 PM MST Fri Nov 21 2025
.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.............66 to 76 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 around 25 mph increasing to around
35 mph after midnight.
.SATURDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (50-60 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........63 to 73 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southeast 10 to 20 mph.
* 10000 ft MSL Wind........South 35 to 40 mph.
* Mixing height............6719 ft AGL.
* Transport winds..........Southeast 23 to 27 knots.
* Ventilation Category.....Excellent (181413 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (80-90 pct). Showers
likely and slight chance of
thunderstorms.
* Chance of Precip.........90 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........40 to 50 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............87 to 97 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 35 to 40 mph.
.SUNDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........53 to 63 degs.
24 hr Trend...........Down 7 to 11 degs.
* Min Humidity.............61 to 71 pct.
24 hr Trend...........Up 28 to 32 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............3991 ft AGL.
* Transport winds..........Southwest 13 knots.
* Ventilation Category.....Good (51883 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 35 to 45. Highs 56 to 66. Light
winds. Minimum Humidity 51 to 61 pct.
.TUESDAY...Mostly clear. Lows 33 to 43. Highs 61 to 71. Light
winds. Minimum Humidity 32 to 42 pct.
.WEDNESDAY...Mostly clear. Lows 35 to 45. Highs 63 to 73. Light
winds. Minimum Humidity 26 to 36 pct.
.THANKSGIVING DAY...Mostly clear. Lows 37 to 47. Highs 66 to 76.
.FRIDAY...Mostly clear. Lows 39 to 49. Highs 67 to 77.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-221415-
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-
115 PM MST Fri Nov 21 2025
.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..........35 to 45 degs.
24 hr Trend...........Up 4 to 8 degs.
* Max Humidity.............65 to 75 pct.
24 hr Trend...........Down 18 to 22 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 (45-55 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........61 to 71 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southeast 15 to 20 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
* Mixing height............5270 ft AGL.
* Transport winds..........Southeast 22 to 23 knots.
* Ventilation Category.....Excellent (121210 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Showers
likely and slight chance of
thunderstorms.
* Chance of Precip.........80 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........40 to 50 degs.
24 hr Trend...........Up 3 to 6 degs.
* Max Humidity.............83 to 93 pct.
24 hr Trend...........Up 18 to 22 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
.SUNDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........52 to 62 degs.
24 hr Trend...........Down 6 to 10 degs.
* Min Humidity.............65 to 75 pct.
24 hr Trend...........Up 28 to 32 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............5088 ft AGL.
* Transport winds..........Southwest 14 to 15 knots.
* Ventilation Category.....Very good (76320 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 34 to 44. Highs 55 to 65. Light
winds. Minimum Humidity 49 to 59 pct.
.TUESDAY...Mostly clear. Lows 32 to 42. Highs 59 to 69. Light
winds. Minimum Humidity 31 to 41 pct.
.WEDNESDAY...Mostly clear. Lows 33 to 43. Highs 60 to 70. Light
winds. Minimum Humidity 27 to 37 pct.
.THANKSGIVING DAY...Mostly clear. Lows 34 to 44. Highs 62 to 72.
.FRIDAY...Mostly clear. Lows 36 to 46. Highs 63 to 73.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-221415-
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-
115 PM MST Fri Nov 21 2025
.TONIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct) then becoming
partly cloudy (45-55 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........30 to 40 degs.
24 hr Trend...........Up 3 to 7 degs.
* Max Humidity.............64 to 74 pct.
24 hr Trend...........Down 19 to 23 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........South 15 to 20 mph.
.SATURDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
mostly cloudy (45-55 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........51 to 61 degs.
24 hr Trend...........Up 5 to 9 degs.
* Min Humidity.............34 to 44 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 25 to 30 mph.
* Mixing height............4148 ft AGL.
* Transport winds..........Southeast 23 to 24 knots.
* Ventilation Category.....Very good (99552 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Showers and
slight chance of thunderstorms.
* Chance of Precip.........90 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........33 to 43 degs.
24 hr Trend...........Up 2 to 5 degs.
* Max Humidity.............85 to 95 pct.
24 hr Trend...........Up 16 to 20 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
.SUNDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........60 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........40 to 50 degs.
24 hr Trend...........Down 9 to 13 degs.
* Min Humidity.............76 to 86 pct.
24 hr Trend...........Up 41 to 45 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 20 to 25 mph.
* Mixing height............3517 ft AGL.
* Transport winds..........South 11 knots shifting to the west 13
knots in the afternoon.
* Ventilation Category.....Good (45721 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 27 to 37. Highs 49 to 59. Light
winds. Minimum Humidity 48 to 58 pct.
.TUESDAY...Mostly clear. Lows 26 to 36. Highs 51 to 61. Light
winds. Minimum Humidity 30 to 40 pct.
.WEDNESDAY...Mostly clear. Lows 28 to 38. Highs 52 to 62. Light
winds. Minimum Humidity 27 to 37 pct.
.THANKSGIVING DAY...Mostly clear. Lows 30 to 40. Highs 55 to 65.
.FRIDAY...Mostly clear. Lows 31 to 41. Highs 55 to 65.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-221415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
115 PM MST Fri Nov 21 2025
.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.............59 to 69 pct.
24 hr Trend...........Down 22 to 26 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 (40-50 pct). Chance of
showers.
* Chance of Precip.........30 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........53 to 63 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............39 to 49 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southeast 10 to 20 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
* Mixing height............5933 ft AGL.
* Transport winds..........Southeast 22 to 25 knots.
* Ventilation Category.....Excellent (139425 knot-ft).
.SATURDAY NIGHT...
* Sky/Weather..............Mostly cloudy (70-80 pct). Showers
likely and slight chance of
thunderstorms.
* Chance of Precip.........90 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........35 to 45 degs.
24 hr Trend...........Little change.
* Max Humidity.............86 to 96 pct.
24 hr Trend...........Up 22 to 26 pct.
* Wind (20 ft/10-min avg)..South 10 to 15 mph.
* 10000 ft MSL Wind........South 30 to 35 mph.
.SUNDAY...
* Sky/Weather..............Mostly cloudy (55-65 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........44 to 54 degs.
24 hr Trend...........Down 7 to 11 degs.
* Min Humidity.............70 to 80 pct.
24 hr Trend...........Up 31 to 35 pct.
* Wind (20 ft/10-min avg)..Southwest 10 to 15 mph.
* 10000 ft MSL Wind........Southwest around 30 mph decreasing to
around 20 mph in the afternoon.
* Mixing height............4851 ft AGL.
* Transport winds..........Southwest 15 to 16 knots.
* Ventilation Category.....Very good (75190 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Mostly clear. Lows 31 to 41. Highs 47 to 57. Light
winds. Minimum Humidity 59 to 69 pct.
.TUESDAY...Mostly clear. Lows 31 to 41. Highs 51 to 61. Light
winds. Minimum Humidity 37 to 47 pct.
.WEDNESDAY...Mostly clear. Lows 33 to 43. Highs 53 to 63. Light
winds. Minimum Humidity 31 to 41 pct.
.THANKSGIVING DAY...Mostly clear. Lows 34 to 44. Highs 56 to 66.
.FRIDAY...Mostly clear. Lows 36 to 46. Highs 56 to 66.
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