412
FNUS55 KTWC 080825
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
125 AM MST THU MAY 8 2025
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
A WARMING AND DRYING TREND IS EXPECTED TO CONTINUE INTO THE
WEEKEND WITH MINIMUM HUMIDITY RETURNING TO THE SINGE DIGITS
FRIDAY. A BACKDOOR FRONT WILL RESULT IN BREEZY SOUTHEAST WINDS
EAST OF TUCSON AS EARLY AS FRIDAY, BUT ESPECIALLY SATURDAY.
WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS ARE NOT ANTICIPATED
WITH THIS FEATURE, ALTHOUGH LOCALIZED/BRIEF NEAR CRITICAL
CONDITIONS WILL BE POSSIBLE SATURDAY ACROSS COCHISE, GRAHAM AND
SOUTHERN GREENLEE COUNTIES.
AZZ150-082215-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
125 AM MST THU MAY 8 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........84 TO 94 DEGS.
24 HR TREND...........UP 6 TO 10 DEGS.
* MIN HUMIDITY.............11 TO 19 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH SHIFTING TO THE NORTH
IN THE AFTERNOON.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
* MIXING HEIGHT............10255 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 8 TO 9 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (92295 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MAX HUMIDITY.............34 TO 44 PCT.
24 HR TREND...........DOWN 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........91 TO 101 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............8 TO 17 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
* MIXING HEIGHT............12965 FT AGL.
* TRANSPORT WINDS..........EAST 11 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (142615 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
CLEAR. LOWS 65 TO 75. HIGHS 93 TO 103. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 8 TO 13 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 65 TO 75. HIGHS 95 TO 105. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 6 TO 12 PCT.
MONDAY
PARTLY CLOUDY. LOWS 65 TO 75. HIGHS 89 TO 99. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 6 TO 12 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 61 TO 71. HIGHS 81 TO 91.
WEDNESDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 77 TO 87.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-082215-
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-
125 AM MST THU MAY 8 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........78 TO 88 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............12 TO 22 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............9751 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 8 TO 9 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (87759 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MAX HUMIDITY.............39 TO 49 PCT.
24 HR TREND...........DOWN 21 TO 25 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........83 TO 93 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MIN HUMIDITY.............10 TO 20 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
* MIXING HEIGHT............13846 FT AGL.
* TRANSPORT WINDS..........EAST 13 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (179998 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
CLEAR. LOWS 56 TO 66. HIGHS 83 TO 93. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 87 TO 97. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 8 TO 14 PCT.
MONDAY
PARTLY CLOUDY. LOWS 58 TO 68. HIGHS 84 TO 94. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 8 TO 14 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 78 TO 88.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 74 TO 84.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-082215-
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-
125 AM MST THU MAY 8 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........77 TO 87 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MIN HUMIDITY.............11 TO 21 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............11295 FT AGL.
* TRANSPORT WINDS..........EAST 9 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (101655 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............45 TO 55 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHEAST 5 TO 10 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........80 TO 90 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............12 TO 20 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.
* MIXING HEIGHT............10908 FT AGL.
* TRANSPORT WINDS..........EAST 13 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (152712 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 80 TO 90. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 11 TO 19 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 63. HIGHS 84 TO 94. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 8 TO 13 PCT.
MONDAY
PARTLY CLOUDY. LOWS 57 TO 67. HIGHS 85 TO 95. WEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 7 TO 12 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 80 TO 90.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 75 TO 85.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-082215-
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-
125 AM MST THU MAY 8 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT............11219 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 8 KNOTS SHIFTING TO THE
SOUTHWEST 7 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (78533 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........43 TO 53 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............50 TO 60 PCT.
24 HR TREND...........DOWN 15 TO 19 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............12286 FT AGL.
* TRANSPORT WINDS..........EAST 9 TO 11 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (135146 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 69 TO 79.
SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS 72 TO 82. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 18 PCT.
MONDAY
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS 72 TO 82. WEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 9 TO 16 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 67 TO 77.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 63 TO 73.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-082215-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
125 AM MST THU MAY 8 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MIN HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
* MIXING HEIGHT............11646 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 9 TO 10 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (110637 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........48 TO 58 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............42 TO 52 PCT.
24 HR TREND...........DOWN 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 15 TO 20 MPH.
* MIXING HEIGHT............13054 FT AGL.
* TRANSPORT WINDS..........EAST 14 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (189283 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
CLEAR. LOWS 50 TO 60. HIGHS 70 TO 80. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 13 TO 23 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 76 TO 86. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 9 TO 17 PCT.
MONDAY
PARTLY CLOUDY. LOWS 54 TO 64. HIGHS 74 TO 84. WEST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 8 TO 16 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 52 TO 62. HIGHS 69 TO 79.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 65 TO 75.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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