Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
170
FNUS55 KTWC 282057
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
157 PM MST Tue Jul 28 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.DISCUSSION...
High temperatures will remain above normal this week with an
Extreme Heat Warning in place Thursday through Saturday. Expect
daily chances of afternoon and evening showers and thunderstorms
with day-to-day variability on coverage of storms into the
weekend. Any thunderstorm will bring a threat of severe, erratic
wind gusts as well as brief heavy rainfall and an isolated threat
of flash flooding. Min RH values will be 20-40 percent in the
lower deserts through at least mid-week. By mid to late week, Min
RH could dip into the teens in the lower deserts. Winds this
weekend will mainly be light and under 12 mph outside of
thunderstorms.
AZZ150-291415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
157 PM MST Tue Jul 28 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........74 to 84 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..West around 10 mph shifting to the south
after midnight.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........100 to 110 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Down 3 to 7 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............10033 ft AGL.
* Transport winds..........Southwest 8 to 9 knots.
* Ventilation Category.....Very good (90297 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........75 to 85 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............38 to 48 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph.
* 10000 ft MSL Wind........Southwest around 10 mph shifting to the
southeast after midnight.
.THURSDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly sunny (15-25 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........102 to 112 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............15 to 24 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........East 5 to 10 mph.
* Mixing height............8585 ft AGL.
* Transport winds..........Southwest 10 knots shifting to the
northwest 9 knots in the afternoon.
* Ventilation Category.....Very good (77265 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Mostly clear. Lows 75 to 85. Highs 103 to 113. Light
winds. Minimum Humidity 13 to 21 pct.
.SATURDAY...Partly cloudy. Lows 79 to 89. Highs 104 to 114. Light
winds. Minimum Humidity 13 to 22 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 79 to 89. Highs 103 to 113. Southwest wind
around 15 mph. Minimum Humidity 16 to 26 pct.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 78 to 88. Highs 100 to 110.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 76 to 86. Highs 97 to 107.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-291415-
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-
157 PM MST Tue Jul 28 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........67 to 77 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............66 to 76 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..West around 15 mph in the evening
becoming light.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 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 1 to 4 degs.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Southwest 5 to 10 mph.
* Mixing height............9037 ft AGL.
* Transport winds..........West 6 to 9 knots.
* Ventilation Category.....Very good (81333 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........68 to 78 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............57 to 67 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..West around 10 mph in the evening
becoming light.
* 10000 ft MSL Wind........North 5 to 10 mph.
.THURSDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly sunny (20-30 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........96 to 106 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 1 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............9942 ft AGL.
* Transport winds..........Northwest 7 to 10 knots.
* Ventilation Category.....Very good (99420 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.FRIDAY...Partly cloudy. Lows 68 to 78. Highs 98 to 108.
Northwest wind around 15 mph. Minimum Humidity 15 to 25 pct.
.SATURDAY...Mostly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 72 to 82. Highs 98 to 108. West wind
around 15 mph. Minimum Humidity 16 to 26 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 70 to 80. Highs 96 to 106. Southwest wind around 15 mph.
Minimum Humidity 20 to 30 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 69 to 79. Highs 93 to 103.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 91 to 101.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-291415-
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-
157 PM MST Tue Jul 28 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........66 to 76 degs.
24 hr Trend...........Up 1 deg.
* Max Humidity.............62 to 72 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........95 to 105 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............20 to 30 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Mixing height............10825 ft AGL.
* Transport winds..........Northwest 6 to 9 knots.
* Ventilation Category.....Very good (97425 knot-ft).
.WEDNESDAY NIGHT...
* 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..........68 to 78 degs.
24 hr Trend...........Little change.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........North 10 to 15 mph.
.THURSDAY...
* Sky/Weather..............Partly cloudy (25-35 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........97 to 107 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............17 to 27 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............11673 ft AGL.
* Transport winds..........Northwest 8 knots.
* Ventilation Category.....Very good (93384 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 and
thunderstorms. Lows 68 to 78. Highs 99 to 109. Northwest wind
around 15 mph. Minimum Humidity 13 to 23 pct.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 70 to 80. Highs 97 to 107. Northeast wind
around 15 mph. Minimum Humidity 15 to 25 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 96 to 106. Light winds.
Minimum Humidity 17 to 27 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 68 to 78. Highs 95 to 105.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 66 to 76. Highs 92 to 102.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-291415-
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-
157 PM MST Tue Jul 28 2026
.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..........59 to 69 degs.
24 hr Trend...........Down 3 to 6 degs.
* Max Humidity.............64 to 74 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..North 10 to 15 mph.
* 10000 ft MSL Wind........North 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Little change.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..West around 10 mph.
* 10000 ft MSL Wind........Light winds becoming west around 5 mph
in the afternoon.
* Mixing height............11685 ft AGL.
* Transport winds..........Northwest 6 knots shifting to the
southwest 9 knots in the afternoon.
* Ventilation Category.....Excellent (105165 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........60 to 70 degs.
24 hr Trend...........Little change.
* Max Humidity.............56 to 66 pct.
24 hr Trend...........Down 3 to 7 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.THURSDAY...
* 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..........86 to 96 degs.
24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..North around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........Northeast around 10 mph shifting to the
south in the afternoon.
* Mixing height............13406 ft AGL.
* Transport winds..........North 8 knots shifting to the south in
the afternoon.
* Ventilation Category.....Excellent (107248 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 and
thunderstorms. Lows 62 to 72. Highs 86 to 96. Light winds.
Minimum Humidity 20 to 30 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 87 to 97. Light winds. Minimum Humidity
20 to 30 pct.
.SUNDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 85 to 95. Light winds.
Minimum Humidity 23 to 33 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 85 to 95.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 83 to 93.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-291415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
157 PM MST Tue Jul 28 2026
.TONIGHT...
* Sky/Weather..............Partly cloudy (35-45 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........61 to 71 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............60 to 70 pct.
24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.WEDNESDAY...
* 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..........83 to 93 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Down 5 to 9 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Mixing height............11739 ft AGL.
* Transport winds..........Northwest 5 to 8 knots.
* Ventilation Category.....Very good (76303 knot-ft).
.WEDNESDAY NIGHT...
* Sky/Weather..............Mostly cloudy (60-70 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..........63 to 73 degs.
24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............53 to 63 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........North 5 to 10 mph.
.THURSDAY...
* Sky/Weather..............Partly cloudy (30-40 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 3 to 7 degs.
* Min Humidity.............24 to 34 pct.
24 hr Trend...........Down 2 to 5 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............12928 ft AGL.
* Transport winds..........Northwest 7 knots.
* Ventilation Category.....Very good (90496 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 and
thunderstorms. Lows 63 to 73. Highs 88 to 98. Northwest wind
around 15 mph. Minimum Humidity 19 to 29 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 65 to 75. Highs 87 to 97. North wind around 15 mph. Minimum
Humidity 20 to 30 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 64 to 74. Highs 85 to 95. Light winds. Minimum Humidity
24 to 34 pct.
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 83 to 93.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 61 to 71. Highs 81 to 91.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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