647
FNUS55 KTWC 071017
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
317 AM MST WED MAY 7 2025
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
ISOLATED TO SCATTERED SHOWERS TODAY WITH TEMPERATURES
ABOUT 10 DEGREES WARMER THAN YESTERDAY AND MINIMUM RELATIVE
HUMIDITY VALUES 15 TO 25 PERCENT. A WARMING AND DRYING TREND IS
EXPECTED FOR THE REST OF THE WEEK WITH MINIMUM HUMIDITIES
RETURNING TO THE SINGE DIGITS BY FRIDAY. BREEZY SOUTHEAST WINDS
WILL IMPACT AREAS EAST OF TUCSON AS EARLY AS FRIDAY, BUT
ESPECIALLY SATURDAY AND SUNDAY.
AZZ150-072230-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
317 AM MST WED MAY 7 2025
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........75 TO 85 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............20 TO 30 PCT.
24 HR TREND...........DOWN 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............11447 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 6 KNOTS SHIFTING TO THE WEST 9
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (103023 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........5 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MAX HUMIDITY.............54 TO 64 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........WEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........84 TO 94 DEGS.
24 HR TREND...........UP 7 TO 11 DEGS.
* MIN HUMIDITY.............11 TO 20 PCT.
24 HR TREND...........DOWN 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........NORTHEAST 5 TO 10 MPH.
* MIXING HEIGHT............9193 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 8 TO 9 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (82737 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
CLEAR. LOWS 58 TO 68. HIGHS 92 TO 102. NORTHEAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 8 TO 13 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 64 TO 74. HIGHS 94 TO 104. EAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 8 TO 14 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 66 TO 76. HIGHS 94 TO 104. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 6 TO 12 PCT.
MONDAY
PARTLY CLOUDY. LOWS 64 TO 74. HIGHS 89 TO 99.
TUESDAY
PARTLY CLOUDY. LOWS 59 TO 69. 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)
AZZ151-072230-
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-
317 AM MST WED MAY 7 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........UP 7 TO 11 DEGS.
* MIN HUMIDITY.............21 TO 31 PCT.
24 HR TREND...........DOWN 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 5 TO 10 MPH.
* MIXING HEIGHT............11642 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 7 KNOTS SHIFTING TO THE WEST
10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (116420 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........45 TO 55 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MAX HUMIDITY.............59 TO 69 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* 10000 FT MSL WIND........NORTHWEST AROUND 5 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
THURSDAY
* 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 6 TO 10 DEGS.
* MIN HUMIDITY.............12 TO 22 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........NORTHEAST 5 TO 10 MPH.
* MIXING HEIGHT............9038 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 8 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (72304 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 51 TO 61. HIGHS 84 TO 94. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 57 TO 67. HIGHS 85 TO 95. EAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 57 TO 67. HIGHS 87 TO 97. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 9 TO 15 PCT.
MONDAY
PARTLY CLOUDY. LOWS 58 TO 68. HIGHS 84 TO 94.
TUESDAY
MOSTLY CLEAR. LOWS 53 TO 63. HIGHS 81 TO 91.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-072230-
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-
317 AM MST WED MAY 7 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........UP 8 TO 12 DEGS.
* MIN HUMIDITY.............20 TO 30 PCT.
24 HR TREND...........DOWN 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............11153 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 8 KNOTS SHIFTING TO THE
SOUTHWEST 10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (111530 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........45 TO 55 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............52 TO 62 PCT.
24 HR TREND...........DOWN 10 TO 14 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........WEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........77 TO 87 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............11 TO 20 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* MIXING HEIGHT............9927 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (79416 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 81 TO 91. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 11 TO 19 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 56 TO 66. HIGHS 81 TO 91. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 11 TO 21 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 84 TO 94. SOUTHEAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 9 TO 15 PCT.
MONDAY
PARTLY CLOUDY. LOWS 56 TO 66. HIGHS 85 TO 95.
TUESDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 82 TO 92.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-072230-
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-
317 AM MST WED MAY 7 2025
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........UP 8 TO 12 DEGS.
* MIN HUMIDITY.............28 TO 38 PCT.
24 HR TREND...........DOWN 15 TO 19 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 5 TO 10 MPH.
* MIXING HEIGHT............10050 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 9 KNOTS SHIFTING TO THE
SOUTHWEST 11 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (110550 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........39 TO 49 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............61 TO 71 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* 10000 FT MSL WIND........WEST AROUND 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........LIGHT WINDS BECOMING NORTHWEST AROUND 5
MPH IN THE AFTERNOON.
* MIXING HEIGHT............11392 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS SHIFTING TO THE WEST IN THE
AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (91136 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 44 TO 54. HIGHS 70 TO 80. LIGHT
WINDS. MINIMUM HUMIDITY 16 TO 24 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 48 TO 58. HIGHS 69 TO 79. EAST WIND AROUND
20 MPH. MINIMUM HUMIDITY 21 TO 31 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 72 TO 82. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 12 TO 21 PCT.
MONDAY
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS 73 TO 83.
TUESDAY
MOSTLY CLEAR. LOWS 48 TO 58. 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)
AZZ154-072230-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
317 AM MST WED MAY 7 2025
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (20-30 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........61 TO 71 DEGS.
24 HR TREND...........UP 7 TO 11 DEGS.
* MIN HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........DOWN 17 TO 21 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 5 TO 10 MPH.
* MIXING HEIGHT............12830 FT AGL.
* TRANSPORT WINDS..........SOUTH 9 KNOTS SHIFTING TO THE SOUTHWEST
10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (128300 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........43 TO 53 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MAX HUMIDITY.............54 TO 64 PCT.
24 HR TREND...........DOWN 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* 10000 FT MSL WIND........WEST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT).
* 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.............15 TO 25 PCT.
24 HR TREND...........DOWN 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* MIXING HEIGHT............11471 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 9 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (103239 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 72 TO 82. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 72 TO 82. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 14 TO 24 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 75 TO 85. SOUTHEAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 10 TO 19 PCT.
MONDAY
PARTLY CLOUDY. LOWS 54 TO 64. HIGHS 74 TO 84.
TUESDAY
MOSTLY CLEAR. LOWS 51 TO 61. HIGHS 72 TO 82.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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