975
FNUS55 KTWC 260923
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
223 AM MST THU FEB 26 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
WELL ABOVE NORMAL TEMPERATURES ARE EXPECTED
THROUGH THIS WEEKEND. HIGH TEMPERATURES WILL GENERALLY RUN 15-22
DEGREES ABOVE NORMAL THROUGH THIS WEEKEND THEN COOL TO BE 6 TO 11
DEGREES ABOVE NORMAL NEXT TUESDAY AND WEDNESDAY. 20-FOOT WEST TO
NORTHWEST WINDS OF 10-15 MPH WITH SOME HIGHER GUSTS EXPECTED EACH
AFTERNOON THROUGH THE REMAINDER OF THE WEEK. MINIMUM RELATIVE
HUMIDITIES OF 15-30 PERCENT TODAY AND FRIDAY, BECOMING 10-20
PERCENT THIS WEEKEND THROUGH EARLY NEXT WEEK.
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-
223 AM MST THU FEB 26 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........82 TO 92 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............14 TO 24 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 15
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 30 TO 35 MPH.
* MIXING HEIGHT............5406 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 8 TO 16 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (86496 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........54 TO 64 DEGS.
24 HR TREND...........UP 1 DEG.
* MAX HUMIDITY.............44 TO 54 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTHWEST AROUND 30 MPH DECREASING TO
AROUND 20 MPH AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........86 TO 96 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............13 TO 21 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTH AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............5684 FT AGL.
* TRANSPORT WINDS..........EAST 7 KNOTS SHIFTING TO THE NORTH 9
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (51156 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 88 TO 98. LIGHT
WINDS. MINIMUM HUMIDITY 10 TO 16 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 56 TO 66. HIGHS 86 TO 96. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 14 PCT.
MONDAY
PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 81 TO 91. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 15 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 75 TO 85.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 76 TO 86.
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-
223 AM MST THU FEB 26 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........77 TO 87 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..NORTH 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............6063 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 12 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (103071 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........48 TO 58 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............50 TO 60 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTHWEST AROUND 25 MPH DECREASING TO
AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........81 TO 91 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............14 TO 24 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTH AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6275 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS SHIFTING TO THE NORTH 10
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (62750 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 82 TO 92. WEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 51 TO 61. HIGHS 81 TO 91. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 17 PCT.
MONDAY
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS 77 TO 87. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 17 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS 69 TO 79.
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-
223 AM MST THU FEB 26 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 15
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............6162 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 9 TO 13 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (80106 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............50 TO 60 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST AROUND 15 MPH DECREASING TO
AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........79 TO 89 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............5441 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS SHIFTING TO THE NORTHWEST
10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (54410 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 80 TO 90.
NORTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 20 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 79 TO 89. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 18 PCT.
MONDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 76 TO 86. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 18 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 44 TO 54. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 66 TO 76.
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-
223 AM MST THU FEB 26 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............6221 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 10 TO 16 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (99536 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........42 TO 52 DEGS.
24 HR TREND...........UP 1 DEG.
* MAX HUMIDITY.............43 TO 53 PCT.
24 HR TREND...........DOWN 10 TO 14 PCT.
* WIND (20 FT/10-MIN AVG)..NORTH 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........69 TO 79 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............15 TO 23 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............5805 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 8 KNOTS SHIFTING TO THE WEST
14 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (81270 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS 70 TO 80.
NORTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 14 TO 21 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS 68 TO 78. NORTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 13 TO 20 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 43 TO 53. HIGHS 64 TO 74. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 13 TO 20 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 38 TO 48. HIGHS 59 TO 69.
WEDNESDAY
MOSTLY CLEAR. LOWS 36 TO 46. HIGHS 57 TO 67.
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-
223 AM MST THU FEB 26 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............6008 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 12 TO 15 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (81108 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........UP 1 DEG.
* MAX HUMIDITY.............42 TO 52 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST AROUND 20 MPH DECREASING TO
AROUND 10 MPH AFTER MIDNIGHT.
FRIDAY
* 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...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTH AROUND 15 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6648 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS SHIFTING TO THE NORTH 11
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (73128 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 72 TO 82. WEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 12 TO 22 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 49 TO 59. HIGHS 71 TO 81. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
MONDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 68 TO 78. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 11 TO 20 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS 61 TO 71.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 58 TO 68.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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