Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ

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592
FNUS55 KTWC 260941
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
241 AM MST Sat Apr 26 2025

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY...

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
    TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

.DISCUSSION...An approaching weather system will increase winds
resulting in near critical to critical fire weather conditions
through today and Sunday. Today, near critical fire weather
conditions are expected across Cochise county and eastern Santa
Cruz county as well as at exposed ridgetops.

For Sunday, a Red Flag Warning is in effect from 10 am to 8 pm
including eastern portions of zone 151 along with zones 152, 153,
and 154. This area includes the Sky Islands of Southeast Arizona,
Cochise, Graham, Greenlee, Santa Cruz, and eastern portions of
Pinal and Pima counties. Critical fire weather conditions are
forecast Sunday with southwest winds of 15-25 mph and gusts to 45
mph. Although cooler temperatures are forecast Sunday into Monday,
moisture will be lacking and minimum relative humidities should
remain in the 6 to 10 percent range. Breezy conditions will linger
Monday mainly in Cochise County, but should remain below critical
levels.


AZZ150-262215-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
241 AM MST Sat Apr 26 2025

.TODAY...
* Sky/Weather..............Mostly sunny (20-30 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........76 to 86 degs.
     24 hr Trend...........Down 3 to 7 degs.
* Min Humidity.............12 to 22 pct.
     24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..South 15 to 20 mph.
* 10000 ft MSL Wind........Southwest 35 to 40 mph.
* Mixing height............9552 ft AGL.
* Transport winds..........South 21 to 25 knots.
* Ventilation Category.....Excellent (238800 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (5-15 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........42 to 52 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Max Humidity.............53 to 63 pct.
     24 hr Trend...........Up 12 to 16 pct.
* Wind (20 ft/10-min avg)..Southwest around 20 mph becoming west
                           around 10 mph after midnight.
* 10000 ft MSL Wind........Southwest 35 to 40 mph.

.SUNDAY...
* Sky/Weather..............Mostly sunny (5-15 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........70 to 80 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............11 to 21 pct.
     24 hr Trend...........Up 1 to 4 pct.
* Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph
                           in the afternoon.
* 10000 ft MSL Wind........Southwest around 35 mph decreasing to
                           around 25 mph in the afternoon.
* Mixing height............9745 ft AGL.
* Transport winds..........West 9 to 16 knots.
* Ventilation Category.....Excellent (155920 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Clear. Lows 43 to 53. Highs 75 to 85. Light winds.
Minimum Humidity 7 to 17 pct.
.TUESDAY...Mostly clear. Lows 46 to 56. Highs 77 to 87. Light
winds. Minimum Humidity 7 to 15 pct.
.WEDNESDAY...Mostly clear. Lows 49 to 59. Highs 81 to 91. Light
winds. Minimum Humidity 8 to 15 pct.
.THURSDAY...Mostly clear. Lows 51 to 61. Highs 84 to 94.
.FRIDAY...Mostly clear. Lows 53 to 63. Highs 85 to 95.

NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)

$$

AZZ151-262215-
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-
241 AM MST Sat Apr 26 2025

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY...

.TODAY...
* Sky/Weather..............Sunny (0-10 pct). Patchy blowing dust.
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........76 to 86 degs.
     24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............7 to 15 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South 10 to 20 mph.
* 10000 ft MSL Wind........Southwest 30 to 35 mph.
* Mixing height............6583 ft AGL.
* Transport winds..........South 23 to 26 knots.
* Ventilation Category.....Excellent (171158 knot-ft).

.TONIGHT...
* Sky/Weather..............Clear (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........38 to 48 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Max Humidity.............43 to 53 pct.
     24 hr Trend...........Up 10 to 14 pct.
* Wind (20 ft/10-min avg)..Southwest around 20 mph decreasing to
                           around 10 mph after midnight.
* 10000 ft MSL Wind........Southwest around 35 mph increasing to
                           around 45 mph after midnight.

.SUNDAY...
* Sky/Weather..............Mostly sunny (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........69 to 79 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............10 to 20 pct.
     24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest 15 to 20 mph.
* 10000 ft MSL Wind........Southwest around 40 mph decreasing to
                           around 30 mph in the afternoon.
* Mixing height............7546 ft AGL.
* Transport winds..........Southwest 20 to 29 knots.
* Ventilation Category.....Excellent (218834 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Clear. Lows 37 to 47. Highs 71 to 81. Southwest wind
around 15 mph. Minimum Humidity 7 to 14 pct.
.TUESDAY...Mostly clear. Lows 41 to 51. Highs 71 to 81. Southwest
wind around 15 mph. Minimum Humidity 8 to 15 pct.
.WEDNESDAY...Mostly clear. Lows 42 to 52. Highs 74 to 84. West
wind around 15 mph. Minimum Humidity 9 to 17 pct.
.THURSDAY...Clear. Lows 45 to 55. Highs 78 to 88.
.FRIDAY...Mostly clear. Lows 47 to 57. Highs 80 to 90.

NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)

$$

AZZ152-262215-
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-
241 AM MST Sat Apr 26 2025

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY...

.TODAY...
* Sky/Weather..............Sunny (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........78 to 88 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............6 to 12 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South 15 to 20 mph.
* 10000 ft MSL Wind........Southwest 25 to 30 mph.
* Mixing height............10189 ft AGL.
* Transport winds..........South 20 to 27 knots.
* Ventilation Category.....Excellent (275103 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........42 to 52 degs.
     24 hr Trend...........Down 3 to 6 degs.
* Max Humidity.............32 to 42 pct.
     24 hr Trend...........Up 5 to 9 pct.
* Wind (20 ft/10-min avg)..Southwest around 20 mph becoming west
                           around 10 mph after midnight.
* 10000 ft MSL Wind........Southwest around 35 mph increasing to
                           around 45 mph after midnight.

.SUNDAY...
* Sky/Weather..............Mostly sunny (0-10 pct). Patchy blowing
                           dust.
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........71 to 81 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............9 to 19 pct.
     24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Breezy. Southwest around 15 mph
                           increasing to around 25 mph in the
                           afternoon.
* 10000 ft MSL Wind........Southwest 35 to 40 mph.
* Mixing height............10901 ft AGL.
* Transport winds..........Southwest 22 knots increasing to 34
                           knots in the afternoon.
* Ventilation Category.....Excellent (370634 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Clear. Lows 39 to 49. Highs 72 to 82. West wind around
15 mph. Minimum Humidity 6 to 12 pct.
.TUESDAY...Mostly clear. Lows 41 to 51. Highs 72 to 82. Southwest
wind around 15 mph. Minimum Humidity 7 to 13 pct.
.WEDNESDAY...Mostly clear. Lows 43 to 53. Highs 74 to 84. West
wind around 15 mph. Minimum Humidity 8 to 16 pct.
.THURSDAY...Mostly clear. Lows 45 to 55. Highs 78 to 88.
.FRIDAY...Mostly clear. Lows 47 to 57. Highs 80 to 90.

NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)

$$

AZZ153-262215-
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-
241 AM MST Sat Apr 26 2025

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY...

.TODAY...
* Sky/Weather..............Sunny (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........66 to 76 degs.
     24 hr Trend...........Down 1 deg.
* Min Humidity.............7 to 14 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South 15 to 20 mph.
* 10000 ft MSL Wind........Southwest 25 to 30 mph.
* Mixing height............10032 ft AGL.
* Transport winds..........South 21 to 29 knots.
* Ventilation Category.....Excellent (290928 knot-ft).

.TONIGHT...
* Sky/Weather..............Mostly clear (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........36 to 46 degs.
     24 hr Trend...........Down 2 to 5 degs.
* Max Humidity.............35 to 45 pct.
     24 hr Trend...........Up 9 to 13 pct.
* Wind (20 ft/10-min avg)..Southwest around 20 mph becoming west
                           around 10 mph after midnight.
* 10000 ft MSL Wind........Southwest 30 to 35 mph.

.SUNDAY...
* Sky/Weather..............Mostly sunny (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........60 to 70 degs.
     24 hr Trend...........Down 5 to 9 degs.
* Min Humidity.............10 to 19 pct.
     24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Southwest 15 to 20 mph.
* 10000 ft MSL Wind........Southwest 30 to 35 mph.
* Mixing height............8767 ft AGL.
* Transport winds..........Southwest 25 to 34 knots.
* Ventilation Category.....Excellent (298078 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Clear. Lows 32 to 42. Highs 60 to 70. West wind around
15 mph. Minimum Humidity 8 to 14 pct.
.TUESDAY...Mostly clear. Lows 35 to 45. Highs 62 to 72. West wind
around 15 mph. Minimum Humidity 8 to 15 pct.
.WEDNESDAY...Mostly clear. Lows 38 to 48. Highs 64 to 74.
Northwest wind around 15 mph. Minimum Humidity 11 to 20 pct.
.THURSDAY...Mostly clear. Lows 40 to 50. Highs 67 to 77.
.FRIDAY...Mostly clear. Lows 41 to 51. Highs 69 to 79.

NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)

$$

AZZ154-262215-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
241 AM MST Sat Apr 26 2025

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY...

.TODAY...
* Sky/Weather..............Sunny (0-10 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.............7 to 15 pct.
     24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Southwest 10 to 20 mph.
* 10000 ft MSL Wind........Southwest 30 to 35 mph.
* Mixing height............11365 ft AGL.
* Transport winds..........Southwest 22 to 28 knots.
* Ventilation Category.....Excellent (284125 knot-ft).

.TONIGHT...
* Sky/Weather..............Clear (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Min Temperature..........38 to 48 degs.
     24 hr Trend...........Down 3 to 7 degs.
* Max Humidity.............30 to 40 pct.
     24 hr Trend...........Up 2 to 5 pct.
* Wind (20 ft/10-min avg)..Southwest 15 to 20 mph.
* 10000 ft MSL Wind........Southwest around 35 mph increasing to
                           around 45 mph after midnight.

.SUNDAY...
* Sky/Weather..............Sunny (0-10 pct).
* Chance of Precip.........0 pct.
* Chance of Thunder........0 pct.
* Max Temperature..........62 to 72 degs.
     24 hr Trend...........Down 4 to 8 degs.
* Min Humidity.............11 to 21 pct.
     24 hr Trend...........Up 3 to 7 pct.
* Wind (20 ft/10-min avg)..Breezy. Southwest around 15 mph
                           increasing to around 25 mph in the
                           afternoon.
* 10000 ft MSL Wind........Southwest 35 to 40 mph.
* Mixing height............11296 ft AGL.
* Transport winds..........Southwest 26 knots increasing to 37
                           knots in the afternoon.
* Ventilation Category.....Excellent (417952 knot-ft).

.Forecast days 3 through 7......
Winds in Days 3 through 5 are surface 20 ft/10-min avg
.MONDAY...Clear. Lows 36 to 46. Highs 62 to 72. Southwest wind
around 15 mph. Minimum Humidity 7 to 16 pct.
.TUESDAY...Mostly clear. Lows 39 to 49. Highs 61 to 71. Southwest
wind around 15 mph. Minimum Humidity 8 to 18 pct.
.WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 63 to 73. West
wind around 15 mph. Minimum Humidity 11 to 21 pct.
.THURSDAY...Mostly clear. Lows 43 to 53. Highs 67 to 77.
.FRIDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80.

NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE

$$


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