Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
529
FNUS55 KTWC 021030
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
330 AM MST Tue Sep 2 2025
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...
Minimum relative humidity values will be driest in the Gila River
Valley today and Wednesday, then increasing above 25-35 percent
the remainder of the week. Humidities mainly above 20-30 percent
elsewhere this week, especially Thursday through Saturday as an
increase in moisture arrives. Southeasterly winds today strongest
through the Gila and southeastern Cochise at 13 to 18 mph with
gusts to 30 mph. 10-15 mph elsewhere from Tucson to Nogales west.
Scattered thunderstorms expected to develop this afternoon from
Santa Cruz through central and western Pima. A few may also
develop over the White Mountains. Additional chances again on
Wednesday, then increasing chances across southeastern Arizona to
end the week as moisture moves in.
AZZ150-022215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
330 AM MST Tue Sep 2 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........94 to 104 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............10918 ft AGL.
* Transport winds..........Southeast 14 to 16 knots.
* Ventilation Category.....Excellent (174688 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.........40 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............61 to 71 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..South around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............29 to 39 pct.
24 hr Trend...........Up 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............8374 ft AGL.
* Transport winds..........South 8 to 10 knots.
* Ventilation Category.....Very good (83740 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 70 to 80. Highs 86 to 96. Light winds.
Minimum Humidity 38 to 48 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 67 to 77. Highs 83 to 93. Light winds. Minimum Humidity
43 to 53 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 66 to 76. Highs 83 to 93. Light winds. Minimum Humidity
40 to 50 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 67 to 77. Highs 87 to 97.
.MONDAY...Mostly clear. Lows 67 to 77. Highs 89 to 99.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-022215-
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-
330 AM MST Tue Sep 2 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..........87 to 97 degs.
24 hr Trend...........Little change.
* Min Humidity.............25 to 35 pct.
24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............7821 ft AGL.
* Transport winds..........Southeast 19 to 20 knots.
* Ventilation Category.....Excellent (156420 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.........20 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............64 to 74 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (35-45 pct) then becoming
mostly cloudy (45-55 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 5 to 10 mph.
* Mixing height............6213 ft AGL.
* Transport winds..........Southeast 9 to 12 knots.
* Ventilation Category.....Very good (74556 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 63 to 73. Highs 81 to 91. Light winds.
Minimum Humidity 43 to 53 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 75 to 85. Light winds. Minimum Humidity
50 to 60 pct.
.SATURDAY...Showers likely and chance of thunderstorms. Lows
58 to 68. Highs 77 to 87. Light winds. Minimum Humidity 48 to
58 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 59 to 69. Highs 81 to 91.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 60 to 70. Highs 83 to 93.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-022215-
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-
330 AM MST Tue Sep 2 2025
.TODAY...
* Sky/Weather..............Partly cloudy (40-50 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........86 to 96 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............21 to 31 pct.
24 hr Trend...........Down 8 to 12 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
* Mixing height............8292 ft AGL.
* Transport winds..........Southeast 19 to 21 knots.
* Ventilation Category.....Excellent (174132 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........10 pct.
* Chance of Thunder........10 pct.
* Min Temperature..........62 to 72 degs.
24 hr Trend...........Little change.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
.WEDNESDAY...
* 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..........87 to 97 degs.
24 hr Trend...........Little change.
* Min Humidity.............19 to 29 pct.
24 hr Trend...........Up 1 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast 10 to 15 mph.
* Mixing height............10166 ft AGL.
* Transport winds..........Southeast 9 to 12 knots.
* Ventilation Category.....Excellent (121992 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 83 to 93. Light winds. Minimum Humidity
31 to 41 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 60 to 70. Highs 76 to 86. Light winds. Minimum Humidity
43 to 53 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 58 to 68. Highs 76 to 86. Light winds. Minimum Humidity
43 to 53 pct.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 58 to 68. Highs 80 to 90.
.MONDAY...Mostly clear. Lows 59 to 69. Highs 83 to 93.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-022215-
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-
330 AM MST Tue Sep 2 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..........76 to 86 degs.
24 hr Trend...........Little change.
* Min Humidity.............27 to 37 pct.
24 hr Trend...........Down 4 to 8 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 15 to 20 mph.
* Mixing height............10501 ft AGL.
* Transport winds..........Southeast 17 knots.
* Ventilation Category.....Excellent (178517 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..........54 to 64 degs.
24 hr Trend...........Little change.
* Max Humidity.............50 to 60 pct.
24 hr Trend...........Down 16 to 20 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph shifting to the
northeast after midnight.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
.WEDNESDAY...
* 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..........77 to 87 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Down 3 to 6 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the south
in the afternoon.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Mixing height............11182 ft AGL.
* Transport winds..........Southeast 10 knots.
* Ventilation Category.....Excellent (111820 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 65. Highs 75 to 85. Light winds. Minimum Humidity
24 to 34 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 69 to 79. Light winds. Minimum Humidity
39 to 49 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 50 to 60. Highs 66 to 76. Light winds. Minimum Humidity
51 to 61 pct.
.SUNDAY...Partly cloudy. Chance of thunderstorms and slight
chance of showers. Lows 50 to 60. Highs 71 to 81.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 60. Highs 74 to 84.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-022215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
330 AM MST Tue Sep 2 2025
.TODAY...
* 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..........75 to 85 degs.
24 hr Trend...........Up 1 deg.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Down 6 to 10 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
* Mixing height............9966 ft AGL.
* Transport winds..........Southeast 21 knots.
* Ventilation Category.....Excellent (209286 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..........57 to 67 degs.
24 hr Trend...........Little change.
* Max Humidity.............54 to 64 pct.
24 hr Trend...........Down 7 to 11 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southeast 20 to 25 mph.
.WEDNESDAY...
* Sky/Weather..............Partly cloudy (40-50 pct) then becoming
mostly cloudy (45-55 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........75 to 85 degs.
24 hr Trend...........Little change.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southeast around 10 mph.
* 10000 ft MSL Wind........Southeast around 15 mph decreasing to
around 5 mph in the afternoon.
* Mixing height............9905 ft AGL.
* Transport winds..........Southeast 12 to 13 knots.
* Ventilation Category.....Excellent (123812 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81. Light winds. Minimum Humidity
42 to 52 pct.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 54 to 64. Highs 64 to 74. Light winds. Minimum Humidity
59 to 69 pct.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 66 to 76. Light winds. Minimum Humidity
56 to 66 pct.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 53 to 63. Highs 70 to 80.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 54 to 64. Highs 73 to 83.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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