Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
570
FNUS55 KTWC 280940
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
240 AM MST Thu Aug 28 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Expect daily chances for rain showers and
thunderstorms into this weekend with potential for an uptick in
thunderstorm activity early next week. High temperatures will be
near or slightly above normal into this weekend. Winds will
generally remain less than 15 mph with typical afternoon
gustiness. Min RHs will be 25-35 percent in the low elevations
and 40-55 percent in the mountains through Saturday then min RHs
drop to 15-25 percent in the low elevations and to 20-35 percent
in the mountains through Labor Day.
AZZ150-282300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
240 AM MST Thu Aug 28 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........93 to 103 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Down 11 to 15 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............10393 ft AGL.
* Transport winds..........West 6 to 8 knots.
* Ventilation Category.....Very good (83144 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............51 to 61 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........South 10 to 15 mph.
.FRIDAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........92 to 102 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............8561 ft AGL.
* Transport winds..........Northwest 7 to 10 knots.
* Ventilation Category.....Very good (85610 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 72 to 82. Highs 95 to 105. Light winds.
Minimum Humidity 16 to 26 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 73 to 83. Highs 97 to 107. Light winds.
Minimum Humidity 15 to 25 pct.
.LABOR DAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 73 to 83. Highs 95 to 105. Light winds. Minimum Humidity
22 to 32 pct.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 72 to 82. Highs 93 to 103.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 71 to 81. Highs 92 to 102.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-282300-
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-
240 AM MST Thu Aug 28 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..........88 to 98 degs.
24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............9107 ft AGL.
* Transport winds..........North 6 knots shifting to the west 9
knots in the afternoon.
* Ventilation Category.....Very good (81963 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (40-50 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.............65 to 75 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the south
after midnight.
.FRIDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........87 to 97 degs.
24 hr Trend...........Little change.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Light winds becoming northwest around 15
mph in the afternoon.
* 10000 ft MSL Wind........Southwest around 5 mph shifting to the
northwest in the afternoon.
* Mixing height............8629 ft AGL.
* Transport winds..........Northwest 7 to 12 knots.
* Ventilation Category.....Excellent (103548 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 64 to 74. Highs 88 to 98. Light winds.
Minimum Humidity 19 to 29 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 89 to 99. Southeast wind around 15 mph.
Minimum Humidity 21 to 31 pct.
.LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 85 to 95. East wind around 15 mph. Minimum
Humidity 31 to 41 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 84 to 94.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 84 to 94.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-282300-
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-
240 AM MST Thu Aug 28 2025
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............8369 ft AGL.
* Transport winds..........West 6 to 10 knots.
* Ventilation Category.....Very good (83690 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 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.............60 to 70 pct.
24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the south
after midnight.
.FRIDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........88 to 98 degs.
24 hr Trend...........Little change.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............7207 ft AGL.
* Transport winds..........Northwest 9 to 13 knots.
* Ventilation Category.....Very good (93691 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 64 to 74. Highs 89 to 99. Light winds.
Minimum Humidity 18 to 28 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 87 to 97. Southeast wind around 15 mph.
Minimum Humidity 22 to 32 pct.
.LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 81 to 91. East wind around 15 mph. Minimum
Humidity 34 to 44 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 62 to 72. Highs 82 to 92.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 82 to 92.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-282300-
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-
240 AM MST Thu Aug 28 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........79 to 89 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............26 to 36 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 10
mph in the afternoon.
* 10000 ft MSL Wind........South around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............9975 ft AGL.
* Transport winds..........North 7 knots shifting to the southwest
9 knots in the afternoon.
* Ventilation Category.....Very good (89775 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (45-55 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........56 to 66 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............58 to 68 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
.FRIDAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Little change.
* Min Humidity.............26 to 36 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Mixing height............9281 ft AGL.
* Transport winds..........West 9 to 13 knots.
* Ventilation Category.....Excellent (120653 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 79 to 89. Light winds.
Minimum Humidity 21 to 31 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 77 to 87. Light winds. Minimum Humidity
24 to 34 pct.
.LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 73 to 83. East wind around 15 mph. Minimum
Humidity 37 to 47 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 54 to 64. Highs 74 to 84.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 72 to 82.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-282300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
240 AM MST Thu Aug 28 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 10 mph
in the afternoon.
* 10000 ft MSL Wind........South 5 to 10 mph.
* Mixing height............9202 ft AGL.
* Transport winds..........Northwest 6 knots shifting to the west 9
knots in the afternoon.
* Ventilation Category.....Very good (82818 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (55-65 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........59 to 69 degs.
24 hr Trend...........Little change.
* Max Humidity.............61 to 71 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........West around 5 mph shifting to the south
after midnight.
.FRIDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Little change.
* Min Humidity.............32 to 42 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........West 5 to 10 mph.
* Mixing height............8621 ft AGL.
* Transport winds..........Northwest 7 to 12 knots.
* Ventilation Category.....Very good (81899 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 59 to 69. Highs 78 to 88. Light winds.
Minimum Humidity 26 to 36 pct.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 77 to 87. East wind around 15 mph. Minimum
Humidity 32 to 42 pct.
.LABOR DAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81. East wind around 15 mph. Minimum
Humidity 47 to 57 pct.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 72 to 82.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 72 to 82.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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