545
FNUS55 KTWC 280926
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
226 AM MST TUE APR 28 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
DRY WITH AFTERNOON BREEZES TODAY AND WEDNESDAY.
THE AFTERNOON BREEZES WILL BRING ELEVATED FIRE WEATHER
CONDITIONS BOTH DAYS TO AREAS EAST OF A SAFFORD TO BISBEE LINE.
A PACIFIC WEATHER SYSTEM WILL INCREASE MOISTURE ACROSS THE AREA
ON WEDNESDAY AND BRING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS TO THE AREA MAINLY LATE WEDNESDAY NIGHT INTO EARLY
FRIDAY MORNING. THERE IS THE POTENTIAL FOR GOOD WETTING RAINS
FOR THE EASTERN HALF OF THE FORECAST AREA. BY THE WEEKEND,
SOUTHEAST ARIZONA WILL RETURN TO A WARM AND DRYING TREND RIGHT
BEFORE ANOTHER POTENTIAL WEATHER SYSTEM EARLY NEXT WEEK.
AZZ150-282300-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
226 AM MST TUE APR 28 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........79 TO 89 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............7 TO 14 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............8267 FT AGL.
* TRANSPORT WINDS..........EAST 5 KNOTS SHIFTING TO THE SOUTHWEST
12 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (99204 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........53 TO 63 DEGS.
24 HR TREND...........UP 7 TO 11 DEGS.
* MAX HUMIDITY.............27 TO 37 PCT.
24 HR TREND...........DOWN 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 25 TO 30 MPH.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........80 TO 90 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............9 TO 15 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 25 TO 30 MPH.
* MIXING HEIGHT............7861 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 5 KNOTS INCREASING TO
SOUTHWEST 16 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (125776 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 57 TO
67. HIGHS 76 TO 86. SOUTHWEST WIND AROUND 15 MPH. MINIMUM
HUMIDITY 22 TO 32 PCT.
FRIDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 80 TO 90. LIGHT
WINDS. MINIMUM HUMIDITY 12 TO 22 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 63. HIGHS 85 TO 95. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 8 TO 18 PCT.
SUNDAY
MOSTLY CLOUDY. LOWS 59 TO 69. HIGHS 87 TO 97.
MONDAY
PARTLY CLOUDY. LOWS 60 TO 70. HIGHS 82 TO 92.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-282300-
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-
226 AM MST TUE APR 28 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MIN HUMIDITY.............6 TO 13 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 15 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST AROUND 30 MPH DECREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7269 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 9 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (130842 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........49 TO 59 DEGS.
24 HR TREND...........UP 10 TO 14 DEGS.
* MAX HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST AROUND 25 MPH INCREASING TO
AROUND 40 MPH AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........75 TO 85 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............10 TO 18 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST AROUND 35 MPH DECREASING TO AROUND
25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............6308 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 12 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (126160 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 SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 52 TO 62. HIGHS 68 TO 78. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 31 TO 41 PCT.
FRIDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 43 TO 53. HIGHS
72 TO 82. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS 75 TO 85. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 15 TO 25 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 51 TO 61. HIGHS 79 TO 89.
MONDAY
PARTLY CLOUDY. LOWS 54 TO 64. HIGHS 77 TO 87.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-282300-
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-
226 AM MST TUE APR 28 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............6 TO 15 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 15 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST AROUND 30 MPH BECOMING SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............9732 FT AGL.
* TRANSPORT WINDS..........WEST 10 KNOTS INCREASING TO 20 KNOTS IN
THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (194640 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........49 TO 59 DEGS.
24 HR TREND...........UP 7 TO 11 DEGS.
* MAX HUMIDITY.............19 TO 29 PCT.
24 HR TREND...........DOWN 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST AROUND 25 MPH INCREASING TO
AROUND 35 MPH AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (60-70 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............8 TO 15 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 30 MPH DECREASING TO AROUND
20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............9311 FT AGL.
* TRANSPORT WINDS..........WEST 12 KNOTS INCREASING TO 22 KNOTS IN
THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (204842 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. NOT AS WARM. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 51 TO 61. HIGHS 66 TO 76.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 30 TO 40 PCT.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 43 TO 53. HIGHS 70 TO 80. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 19 TO 29 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS 70 TO 80. EAST
WIND AROUND 30 MPH. MINIMUM HUMIDITY 20 TO 30 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS 76 TO 86.
MONDAY
PARTLY CLOUDY. LOWS 52 TO 62. HIGHS 76 TO 86.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-282300-
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-
226 AM MST TUE APR 28 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............7 TO 12 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 20 TO 25 MPH.
* MIXING HEIGHT............6903 FT AGL.
* TRANSPORT WINDS..........WEST 16 TO 23 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (158769 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT) THEN BECOMING
MOSTLY CLOUDY (65-75 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........41 TO 51 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MAX HUMIDITY.............20 TO 30 PCT.
24 HR TREND...........DOWN 17 TO 21 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (60-70 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............9 TO 15 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 20 TO 25 MPH.
* MIXING HEIGHT............7412 FT AGL.
* TRANSPORT WINDS..........WEST 15 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (148240 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 SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 44 TO 54. HIGHS 57 TO 67. LIGHT WINDS.
MINIMUM HUMIDITY 31 TO 41 PCT.
FRIDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 38 TO 48. HIGHS 59 TO 69. LIGHT WINDS.
MINIMUM HUMIDITY 25 TO 35 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 37 TO 47. HIGHS 60 TO 70.
SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 24 TO 34 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS 65 TO 75.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS 65 TO 75.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-282300-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
226 AM MST TUE APR 28 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........67 TO 77 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............7 TO 16 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 30 MPH DECREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............9635 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 13 TO 21 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (163795 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MAX HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........DOWN 22 TO 26 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 25 MPH INCREASING TO
WEST AROUND 40 MPH AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............10 TO 17 PCT.
24 HR TREND...........UP 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 35 MPH DECREASING TO AROUND
25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............9288 FT AGL.
* TRANSPORT WINDS..........WEST 15 TO 24 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (181116 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 48 TO 58. HIGHS 56 TO 66. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 36 TO 46 PCT.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 40 TO 50.
HIGHS 60 TO 70. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 25 TO
35 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 62 TO 72. EAST
WIND AROUND 30 MPH. MINIMUM HUMIDITY 26 TO 36 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS 67 TO 77.
MONDAY
MOSTLY CLOUDY. LOWS 51 TO 61. HIGHS 67 TO 77.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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