Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
179
FNUS55 KTWC 170838
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
138 AM MST Fri Oct 17 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Minimum RH values will be in the 15-30 percent
range in the valleys into next week. 20-foot winds mainly 15 mph
or less, with occasional gusts to 20-25 mph. High temperatures
will be below normal through Saturday, warming to normal or just
above normal levels Sunday into next week. The next chance of
precipitation will be around next Tuesday/Wednesday with a slight
(~20%) chance of showers in northern Graham and Greenlee Counties.
AZZ150-172215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
138 AM MST Fri Oct 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........73 to 83 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............7873 ft AGL.
* Transport winds..........Southeast 6 knots shifting to the west 8
knots in the afternoon.
* Ventilation Category.....Good (62984 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly clear (5-15 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........50 to 60 degs.
24 hr Trend...........Little change.
* Max Humidity.............48 to 58 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest around 10 mph shifting to the
north after midnight.
.SATURDAY...
* Sky/Weather..............Mostly sunny (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............4828 ft AGL.
* Transport winds..........East 7 to 8 knots.
* Ventilation Category.....Fair (38624 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. Light
winds. Minimum Humidity 14 to 22 pct.
.MONDAY...Mostly clear. Lows 54 to 64. Highs 83 to 93. Light
winds. Minimum Humidity 12 to 22 pct.
.TUESDAY...Partly cloudy. Lows 56 to 66. Highs 83 to 93. Light
winds. Minimum Humidity 15 to 25 pct.
.WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 79 to 89.
.THURSDAY...Mostly clear. Lows 52 to 62. Highs 78 to 88.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-172215-
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-
138 AM MST Fri Oct 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........68 to 78 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 15 to 20 mph.
* Mixing height............7086 ft AGL.
* Transport winds..........South 7 knots shifting to the southwest
in the afternoon.
* Ventilation Category.....Very good (85032 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly clear (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........44 to 54 degs.
24 hr Trend...........Little change.
* Max Humidity.............63 to 73 pct.
24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West around 10 mph shifting to the
northwest after midnight.
.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........72 to 82 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........North 5 to 10 mph.
* Mixing height............5170 ft AGL.
* Transport winds..........East 6 knots.
* Ventilation Category.....Fair (31020 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 45 to 55. Highs 77 to 87. Light
winds. Minimum Humidity 16 to 26 pct.
.MONDAY...Mostly clear. Lows 49 to 59. Highs 78 to 88. Light
winds. Minimum Humidity 15 to 25 pct.
.TUESDAY...Partly cloudy. Lows 51 to 61. Highs 78 to 88. Light
winds. Minimum Humidity 19 to 29 pct.
.WEDNESDAY...Mostly clear. Lows 51 to 61. Highs 75 to 85.
.THURSDAY...Mostly clear. Lows 46 to 56. Highs 73 to 83.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-172215-
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-
138 AM MST Fri Oct 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........68 to 78 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southwest 15 to 20 mph.
* Mixing height............6556 ft AGL.
* Transport winds..........Southwest 8 to 13 knots.
* Ventilation Category.....Very good (85228 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly clear (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........43 to 53 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Down 10 to 14 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........West 15 to 20 mph.
.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........70 to 80 degs.
24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........North 10 to 15 mph.
* Mixing height............3643 ft AGL.
* Transport winds..........North 6 knots.
* Ventilation Category.....Fair (21858 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 44 to 54. Highs 75 to 85. Light
winds. Minimum Humidity 17 to 26 pct.
.MONDAY...Mostly clear. Lows 47 to 57. Highs 77 to 87. Light
winds. Minimum Humidity 15 to 25 pct.
.TUESDAY...Partly cloudy. Lows 49 to 59. Highs 76 to 86. Light
winds. Minimum Humidity 19 to 29 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 51 to 61. Highs 74 to 84.
.THURSDAY...Mostly clear. Lows 45 to 55. Highs 71 to 81.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-172215-
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-
138 AM MST Fri Oct 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........57 to 67 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............33 to 43 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Mixing height............6484 ft AGL.
* Transport winds..........West 8 to 11 knots.
* Ventilation Category.....Very good (71324 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly clear (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........35 to 45 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............53 to 63 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.SATURDAY...
* Sky/Weather..............Mostly sunny (5-15 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........64 to 74 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............16 to 26 pct.
24 hr Trend...........Down 14 to 18 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........North around 20 mph decreasing to around
10 mph in the afternoon.
* Mixing height............4333 ft AGL.
* Transport winds..........North 7 to 8 knots.
* Ventilation Category.....Fair (34664 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 40 to 50. Highs 66 to 76. Light
winds. Minimum Humidity 17 to 25 pct.
.MONDAY...Mostly clear. Lows 40 to 50. Highs 69 to 79. Light
winds. Minimum Humidity 13 to 23 pct.
.TUESDAY...Partly cloudy. Lows 42 to 52. Highs 67 to 77. Light
winds. Minimum Humidity 17 to 26 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 45 to 55. Highs 63 to 73.
.THURSDAY...Mostly clear. Lows 39 to 49. Highs 61 to 71.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-172215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
138 AM MST Fri Oct 17 2025
.TODAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........59 to 69 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............36 to 46 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southwest 15 to 20 mph.
* Mixing height............6422 ft AGL.
* Transport winds..........Southwest 12 to 15 knots.
* Ventilation Category.....Very good (86697 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly clear (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........40 to 50 degs.
24 hr Trend...........Little change.
* Max Humidity.............58 to 68 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........West 15 to 20 mph.
.SATURDAY...
* Sky/Weather..............Mostly sunny (10-20 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........62 to 72 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Down 12 to 16 pct.
* Wind (20 ft/10-min avg)..Light winds.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Mixing height............4301 ft AGL.
* Transport winds..........Northeast 6 knots.
* Ventilation Category.....Fair (25806 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SUNDAY...Mostly clear. Lows 43 to 53. Highs 67 to 77. Light
winds. Minimum Humidity 19 to 29 pct.
.MONDAY...Mostly clear. Lows 45 to 55. Highs 68 to 78. Light
winds. Minimum Humidity 18 to 28 pct.
.TUESDAY...Partly cloudy. Lows 47 to 57. Highs 67 to 77. Light
winds. Minimum Humidity 23 to 33 pct.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 48 to 58. Highs 65 to 75.
.THURSDAY...Mostly clear. Lows 42 to 52. Highs 62 to 72.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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