053
FNUS55 KTWC 120923
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
223 AM MST MON OCT 12 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
PARTLY CLOUDY WITH BREEZY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH TODAY ACROSS THE MAJORITY OF SOUTHEAST
ARIZONA WITH A CHANCE OF SHOWERS TRACKING WEST TO EAST ACROSS
THE AREA MAINLY TONIGHT INTO TUESDAY. TEMPERATURES COOL WITH
THE SYSTEM PASSAGE TO AROUND 10 DEGREES BELOW NORMAL TUESDAY AND
WEDNESDAY. MINIMUM RELATIVE HUMIDITY REMAINS ABOVE 25-35
PERCENT THROUGH THE WEEK. BREEZY TO WINDY EAST TO SOUTHEAST
WINDS WILL IMPACT THE AREA FRIDAY INTO NEXT WEEKEND. THIS WIND
EVENT HAS THE POTENTIAL TO PRODUCE VERY STRONG EASTERLY WINDS,
ESPECIALLY TO THE LEE-SIDE OF THE HIGHER TERRAIN AND MOUNTAIN-
GAPS FRIDAY MORNING.
AZZ150-122345-
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 MON OCT 12 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............44 TO 54 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST 35 TO 40 MPH.
* MIXING HEIGHT............7752 FT AGL.
* TRANSPORT WINDS..........SOUTH 21 TO 22 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (170544 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........55 TO 65 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............82 TO 92 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 35 TO 40 MPH.
TUESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............46 TO 56 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* 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............7703 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 16 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (130951 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 69 TO 79. LIGHT
WINDS. MINIMUM HUMIDITY 36 TO 46 PCT.
THURSDAY
CLEAR. LOWS 48 TO 58. HIGHS 76 TO 86. NORTHEAST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 26 TO 36 PCT.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 57 TO 67. HIGHS 76 TO 86. EAST WIND AROUND
35 MPH. MINIMUM HUMIDITY 29 TO 39 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 74 TO 84.
SUNDAY
MOSTLY CLEAR. LOWS 54 TO 64. 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)
AZZ151-122345-
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 MON OCT 12 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............48 TO 58 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 40 MPH DECREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............5810 FT AGL.
* TRANSPORT WINDS..........SOUTH 18 TO 22 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (127820 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........50 TO 60 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MAX HUMIDITY.............86 TO 96 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 30 TO 35 MPH.
TUESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............53 TO 63 PCT.
24 HR TREND...........UP 11 TO 15 PCT.
* 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............5744 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 15 TO 17 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (97648 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 67 TO 77. LIGHT
WINDS. MINIMUM HUMIDITY 38 TO 48 PCT.
THURSDAY
CLEAR. LOWS 44 TO 54. HIGHS 73 TO 83. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 29 TO 39 PCT.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 52 TO 62.
HIGHS 67 TO 77. EAST WIND AROUND 35 MPH. MINIMUM HUMIDITY 37 TO
47 PCT.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 47 TO
57. HIGHS 66 TO 76.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 46 TO 56.
HIGHS 70 TO 80.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-122345-
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 MON OCT 12 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 35 MPH DECREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............5470 FT AGL.
* TRANSPORT WINDS..........SOUTH 15 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (109400 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........50 TO 60 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............83 TO 93 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 20 MPH BECOMING SOUTH
AROUND 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTHWEST AROUND 25 MPH INCREASING TO
AROUND 35 MPH AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............48 TO 58 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............6678 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 14 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (113526 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 68 TO 78. LIGHT
WINDS. MINIMUM HUMIDITY 31 TO 41 PCT.
THURSDAY
CLEAR. LOWS 45 TO 55. HIGHS 72 TO 82. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 24 TO 34 PCT.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 51 TO 61.
HIGHS 64 TO 74. EAST WIND AROUND 35 MPH. MINIMUM HUMIDITY 33 TO
43 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 45 TO
55. HIGHS 61 TO 71.
SUNDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 67 TO 77.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-122345-
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 MON OCT 12 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............54 TO 64 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............5653 FT AGL.
* TRANSPORT WINDS..........SOUTH 17 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (107407 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT) THEN BECOMING
MOSTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........44 TO 54 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............81 TO 91 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 30 TO 35 MPH.
TUESDAY
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............54 TO 64 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............5315 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 18 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (95670 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 58 TO 68. WEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 31 TO 41 PCT.
THURSDAY
CLEAR. LOWS 36 TO 46. HIGHS 62 TO 72. EAST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 23 TO 33 PCT.
FRIDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS 56 TO 66. EAST WIND
AROUND 30 MPH. MINIMUM HUMIDITY 36 TO 46 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO
49. HIGHS 53 TO 63.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 38 TO 48.
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)
AZZ154-122345-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
223 AM MST MON OCT 12 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........61 TO 71 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............49 TO 59 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 35 MPH DECREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............6755 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 18 TO 22 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (135100 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........45 TO 55 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MAX HUMIDITY.............84 TO 94 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST 30 TO 35 MPH.
TUESDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............56 TO 66 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 30 MPH DECREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7937 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 16 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (130960 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS 58 TO 68. LIGHT
WINDS. MINIMUM HUMIDITY 42 TO 52 PCT.
THURSDAY
CLEAR. LOWS 41 TO 51. HIGHS 63 TO 73. EAST WIND
AROUND 25 MPH. MINIMUM HUMIDITY 32 TO 42 PCT.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 46 TO 56.
HIGHS 54 TO 64. EAST WIND AROUND 35 MPH. MINIMUM HUMIDITY 44 TO
54 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 40 TO
50. HIGHS 52 TO 62.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO 49.
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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