Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
693
FNUS55 KTWC 101109
FWFTWC
Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
409 AM MST Mon Aug 10 2026
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20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
TERRAIN DRIVEN WINDS
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.DISCUSSION...Expect daily afternoon and evening showers and
thunderstorms through Thursday with less coverage Friday into
next weekend. Minimum relative humidity will be 20-40 percent
Monday through Thursday lowering to around 15-30 percent
thereafter. Temperatures will be near normal through Tuesday,
dropping to below normal Wednesday and Thursday, then warming
again next weekend. Outside of thunderstorms, winds terrain
driven to around 10 mph with occasional afternoon gusts to 20
mph.
AZZ150-102300-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
409 AM MST Mon Aug 10 2026
.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..........95 to 105 degs.
24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............30 to 40 pct.
24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..South around 10 mph increasing to west
around 20 mph in the afternoon.
* 10000 ft MSL Wind........East around 10 mph shifting to the
southeast in the afternoon.
* Mixing height............8694 ft AGL.
* Transport winds..........Southwest 10 to 12 knots.
* Ventilation Category.....Excellent (104328 knot-ft).
.TONIGHT...
* Sky/Weather..............Partly cloudy (40-50 pct). Patchy
blowing dust. Chance of showers and
thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........71 to 81 degs.
24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............69 to 79 pct.
24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..South 15 to 20 mph.
* 10000 ft MSL Wind........Northeast 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Partly cloudy (30-40 pct).
* Chance of Precip.........10 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........91 to 101 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............38 to 48 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west
in the afternoon.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............7601 ft AGL.
* Transport winds..........Southwest 13 knots shifting to the west
10 knots in the afternoon.
* Ventilation Category.....Very good (76010 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows 70 to 80. Highs 88 to 98. Light winds.
Minimum Humidity 39 to 49 pct.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 68 to 78. Highs 90 to 100. Light winds.
Minimum Humidity 32 to 42 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 69 to 79. Highs 93 to 103. Light winds.
Minimum Humidity 24 to 34 pct.
.SATURDAY...Mostly clear. Lows 71 to 81. Highs 96 to 106.
.SUNDAY...Partly cloudy. Lows 73 to 83. Highs 98 to 108.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
$$
AZZ151-102300-
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-
409 AM MST Mon Aug 10 2026
.TODAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph increasing to
west around 20 mph in the afternoon.
* 10000 ft MSL Wind........East 5 to 10 mph.
* Mixing height............7807 ft AGL.
* Transport winds..........West 7 to 10 knots.
* Ventilation Category.....Very good (78070 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (60-70 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............79 to 89 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Breezy. West around 25 mph becoming
southwest around 15 mph after midnight.
* 10000 ft MSL Wind........North 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........85 to 95 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............44 to 54 pct.
24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
northwest in the afternoon.
* Mixing height............6604 ft AGL.
* Transport winds..........West 11 to 12 knots.
* Ventilation Category.....Very good (79248 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Showers likely and chance of thunderstorms. Lows
63 to 73. Highs 80 to 90. Light winds. Minimum Humidity 51 to
61 pct.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 61 to 71. Highs 81 to 91. Light winds.
Minimum Humidity 46 to 56 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 62 to 72. Highs 84 to 94. Light winds.
Minimum Humidity 36 to 46 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 87 to 97.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 65 to 75. Highs 89 to 99.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
$$
AZZ152-102300-
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-
409 AM MST Mon Aug 10 2026
.TODAY...
* Sky/Weather..............Mostly sunny (20-30 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..........93 to 103 degs.
24 hr Trend...........Little change.
* Min Humidity.............23 to 33 pct.
24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southwest around 10 mph increasing to
around 20 mph in the afternoon.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............9180 ft AGL.
* Transport winds..........West 7 to 12 knots.
* Ventilation Category.....Excellent (110160 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Min Temperature..........64 to 74 degs.
24 hr Trend...........Down 1 deg.
* Max Humidity.............73 to 83 pct.
24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..Breezy. West 15 to 25 mph.
* 10000 ft MSL Wind........North 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........30 pct.
* Max Temperature..........89 to 99 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........North around 5 mph shifting to the west
in the afternoon.
* Mixing height............8661 ft AGL.
* Transport winds..........West 12 to 15 knots.
* Ventilation Category.....Excellent (129915 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 63 to 73. Highs 84 to 94. West wind around 15 mph. Minimum
Humidity 41 to 51 pct.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 62 to 72. Highs 82 to 92. West wind around
15 mph. Minimum Humidity 43 to 53 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 61 to 71. Highs 85 to 95. Light winds.
Minimum Humidity 33 to 43 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 63 to 73. Highs 88 to 98.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 64 to 74. Highs 90 to 100.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
$$
AZZ153-102300-
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-
409 AM MST Mon Aug 10 2026
.TODAY...
* Sky/Weather..............Partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........40 pct.
* Max Temperature..........84 to 94 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............22 to 32 pct.
24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 20
mph in the afternoon.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
southwest in the afternoon.
* Mixing height............10938 ft AGL.
* Transport winds..........North 8 knots shifting to the northwest
11 knots in the afternoon.
* Ventilation Category.....Excellent (120318 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.........30 pct.
* Chance of Thunder........20 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............66 to 76 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 20 mph.
* 10000 ft MSL Wind........Northwest 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (40-50 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Max Temperature..........82 to 92 degs.
24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............31 to 41 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..Northwest 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
west in the afternoon.
* Mixing height............7993 ft AGL.
* Transport winds..........Northwest 10 to 14 knots.
* Ventilation Category.....Excellent (111902 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 77 to 87. West wind around 15 mph. Minimum
Humidity 39 to 49 pct.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 56 to 66. Highs 73 to 83. Light winds. Minimum Humidity
47 to 57 pct.
.FRIDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 76 to 86. Light winds.
Minimum Humidity 36 to 46 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 56 to 66. Highs 79 to 89.
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 57 to 67. Highs 80 to 90.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
$$
AZZ154-102300-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
409 AM MST Mon Aug 10 2026
.TODAY...
* Sky/Weather..............Mostly sunny (15-25 pct) then becoming
partly cloudy (40-50 pct). Slight chance
of showers and thunderstorms.
* Chance of Precip.........30 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........80 to 90 degs.
24 hr Trend...........Down 1 deg.
* Min Humidity.............35 to 45 pct.
24 hr Trend...........Up 14 to 18 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northeast 5 to 10 mph.
* Mixing height............11402 ft AGL.
* Transport winds..........Northwest 7 to 10 knots.
* Ventilation Category.....Very good (96917 knot-ft).
.TONIGHT...
* Sky/Weather..............Mostly cloudy (50-60 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and thunderstorms.
* Chance of Precip.........50 pct.
* Chance of Thunder........50 pct.
* Min Temperature..........58 to 68 degs.
24 hr Trend...........Little change.
* Max Humidity.............76 to 86 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..West 10 to 20 mph.
* 10000 ft MSL Wind........North 10 to 15 mph.
.TUESDAY...
* Sky/Weather..............Mostly sunny (20-30 pct) then becoming
partly cloudy (35-45 pct). Chance of
showers and slight chance of
thunderstorms.
* Chance of Precip.........40 pct.
* Chance of Thunder........20 pct.
* Max Temperature..........77 to 87 degs.
24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............46 to 56 pct.
24 hr Trend...........Up 7 to 11 pct.
* Wind (20 ft/10-min avg)..West 10 to 15 mph.
* 10000 ft MSL Wind........Northeast around 5 mph shifting to the
northwest in the afternoon.
* Mixing height............10776 ft AGL.
* Transport winds..........Northwest 10 to 13 knots.
* Ventilation Category.....Excellent (123924 knot-ft).
.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 57 to 67. Highs 71 to 81. Light winds. Minimum Humidity
56 to 66 pct.
.THURSDAY...Showers and thunderstorms likely. Lows 55 to 65.
Highs 70 to 80. Light winds. Minimum Humidity 55 to 65 pct.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 74 to 84. Light winds.
Minimum Humidity 43 to 53 pct.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 57 to 67. Highs 77 to 87.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 59 to 69. Highs 78 to 88.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
$$
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