523
FNUS55 KTWC 092145
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
245 PM MST WED SEP 9 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
SCATTERED THUNDERSTORMS THIS AFTERNOON AND THIS
EVENING, ESPECIALLY SOUTH AND EAST OF TUCSON. STORMS WILL BE
STRONGER THAN WE HAVE SEEN THE PAST SEVERAL DAYS, WITH HEAVY
RAINFALL LEADING TO LOCALIZED FLASH FLOODING AS THE PRIMARY
HAZARD FROM THESE STORMS, WITH A SECONDARY HAZARD OF STRONG
OUTFLOW WINDS TO 40-45 MPH EAST OF TUCSON. ISOLATED TO SCATTERED
THUNDERSTORMS CONTINUE DAILY INTO EARLY NEXT WEEK. HIGH
TEMPERATURES WILL WILL FLUCTUATE BETWEEN NEAR NORMAL AND A FEW
DEGREES BELOW NORMAL INTO EARLY NEXT WEEK. MIN RH VALUES MAINLY
20 TO 45 PERCENT IN THE VALLEYS AND 30 TO 60 PERCENT IN THE
MOUNTAINS OVER THE NEXT WEEK. RH RECOVERIES WILL CONTINUE TO BE
EXCELLENT OVERNIGHT. WINDS WILL GENERALLY REMAIN LESS THAN 15
MPH AND TERRAIN DRIVEN THROUGH THE WEEK. EXPECT GUSTY AND
ERRATIC WINDS AROUND THUNDERSTORMS.
AZZ150-101445-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
245 PM MST WED SEP 9 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........74 TO 84 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............61 TO 71 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........96 TO 106 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............27 TO 37 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
* MIXING HEIGHT............8477 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 8 KNOTS SHIFTING TO THE WEST
10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (84770 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............61 TO 71 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........93 TO 103 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........UP 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH 5 TO 10 MPH.
* MIXING HEIGHT............7891 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (110474 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 72 TO 82. HIGHS 92 TO 102. SOUTH WIND AROUND
15 MPH. MINIMUM HUMIDITY 32 TO 42 PCT.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 72 TO 82. HIGHS 93 TO 103. LIGHT WINDS.
MINIMUM HUMIDITY 27 TO 37 PCT.
MONDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF SHOWERS. LOWS 71 TO 81. HIGHS 91 TO 101. SOUTH WIND
AROUND 15 MPH. MINIMUM HUMIDITY 29 TO 39 PCT.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 69 TO 79. HIGHS 89 TO 99.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 68 TO 78. HIGHS 89 TO 99.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-101445-
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-
245 PM MST WED SEP 9 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............73 TO 83 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..NORTH AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MAX TEMPERATURE..........88 TO 98 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............33 TO 43 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 15
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
* MIXING HEIGHT............7657 FT AGL.
* TRANSPORT WINDS..........WEST 6 TO 10 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (76570 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............74 TO 84 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH 15 TO 20 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........40 PCT.
* MAX TEMPERATURE..........85 TO 95 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............38 TO 48 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 5 TO 10 MPH.
* MIXING HEIGHT............5070 FT AGL.
* TRANSPORT WINDS..........WEST 9 TO 11 KNOTS.
* VENTILATION CATEGORY.....GOOD (55770 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63 TO 73. HIGHS 84 TO 94. LIGHT WINDS.
MINIMUM HUMIDITY 39 TO 49 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63 TO 73. HIGHS 85 TO 95. LIGHT WINDS.
MINIMUM HUMIDITY 36 TO 46 PCT.
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 63 TO 73. HIGHS 83 TO 93. SOUTH WIND AROUND 15 MPH. MINIMUM
HUMIDITY 39 TO 49 PCT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 61 TO 71. HIGHS 80 TO 90.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 70. 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)
AZZ152-101445-
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-
245 PM MST WED SEP 9 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........50 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............70 TO 80 PCT.
24 HR TREND...........UP 29 TO 33 PCT.
* WIND (20 FT/10-MIN AVG)..NORTH AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MAX TEMPERATURE..........89 TO 99 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............28 TO 38 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 15
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
* MIXING HEIGHT............6141 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 6 TO 11 KNOTS.
* VENTILATION CATEGORY.....GOOD (67551 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............70 TO 80 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH 15 TO 20 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........88 TO 98 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
* MIXING HEIGHT............6290 FT AGL.
* TRANSPORT WINDS..........WEST 10 TO 15 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (94350 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 64 TO 74. HIGHS 86 TO 96. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 33 TO 43 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 64 TO 74. HIGHS 87 TO 97. SOUTHWEST WIND AROUND 15 MPH.
MINIMUM HUMIDITY 31 TO 41 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 63 TO 73. HIGHS 83 TO 93. LIGHT WINDS. MINIMUM HUMIDITY
35 TO 45 PCT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 62 TO 72. HIGHS 81 TO 91.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 61 TO 71. 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)
AZZ153-101445-
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-
245 PM MST WED SEP 9 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............67 TO 77 PCT.
24 HR TREND...........UP 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MAX TEMPERATURE..........81 TO 91 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............27 TO 37 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 5 TO 10 MPH.
* MIXING HEIGHT............8291 FT AGL.
* TRANSPORT WINDS..........NORTH 6 TO 9 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (74619 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............63 TO 73 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........80 TO 90 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............28 TO 38 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............7915 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 10 TO 12 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (94980 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 79 TO 89. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 31 TO 41 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 57 TO 67. HIGHS 77 TO 87. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 32 TO 42 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 56 TO 66. HIGHS 74 TO 84. LIGHT WINDS. MINIMUM HUMIDITY
35 TO 45 PCT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 64. HIGHS 73 TO 83.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 64. HIGHS 72 TO 82.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-101445-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
245 PM MST WED SEP 9 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........50 PCT.
* MIN TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............67 TO 77 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..NORTH AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MAX TEMPERATURE..........78 TO 88 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTH 10 TO 15 MPH.
* MIXING HEIGHT............7926 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 6 TO 10 KNOTS.
* VENTILATION CATEGORY.....GOOD (63408 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MIN TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............71 TO 81 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH.
* 10000 FT MSL WIND........NORTH 15 TO 20 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........30 PCT.
* MAX TEMPERATURE..........75 TO 85 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............47 TO 57 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH AROUND 15 MPH BECOMING NORTHWEST
AROUND 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7733 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 9 TO 11 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (77330 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 58 TO 68. HIGHS 74 TO 84. LIGHT WINDS.
MINIMUM HUMIDITY 46 TO 56 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 58 TO 68. HIGHS 75 TO 85. LIGHT WINDS. MINIMUM HUMIDITY
42 TO 52 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 57 TO 67. HIGHS 72 TO 82. LIGHT WINDS. MINIMUM HUMIDITY
49 TO 59 PCT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 65. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 65. HIGHS 70 TO 80.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page