961
FNUS55 KTWC 301042
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
342 AM MST THU APR 30 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
A PACIFIC WEATHER SYSTEM WILL INCREASE MOISTURE
ACROSS THE AREA TODAY AND BRING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS TO THE AREA THURSDAY INTO FRIDAY. 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.
AZZ150-302300-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
342 AM MST THU APR 30 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........81 TO 91 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........UP 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............11994 FT AGL.
* TRANSPORT WINDS..........SOUTH 10 KNOTS SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (179910 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........50 TO 60 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MAX HUMIDITY.............64 TO 74 PCT.
24 HR TREND...........UP 28 TO 32 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST AROUND 15 MPH INCREASING TO
NORTH AROUND 25 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...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............14 TO 24 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............10533 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 10 KNOTS SHIFTING TO THE WEST
11 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (115863 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 85 TO 95.
SOUTHEAST WIND AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 61 TO 71. HIGHS 84 TO 94. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 11 TO 20 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 57 TO 67. HIGHS 76 TO 86. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 17 TO 27 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 72 TO 82.
WEDNESDAY
CLEAR. LOWS 47 TO 57. HIGHS 78 TO 88.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-302300-
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-
342 AM MST THU APR 30 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........DOWN 5 TO 9 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........UP 20 TO 24 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 20 MPH DECREASING TO
AROUND 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT............10209 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 15 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (183762 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........44 TO 54 DEGS.
24 HR TREND...........DOWN 5 TO 9 DEGS.
* MAX HUMIDITY.............79 TO 89 PCT.
24 HR TREND...........UP 67 TO 71 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 15 MPH INCREASING TO NORTH
AROUND 25 MPH AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........DOWN 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH AROUND 20 MPH BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT............11124 FT AGL.
* TRANSPORT WINDS..........WEST 10 TO 12 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (133488 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 76 TO 86.
SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 17 TO 27 PCT.
SUNDAY
MOSTLY CLOUDY. LOWS 53 TO 63. HIGHS 77 TO 87. SOUTH
WIND AROUND 20 MPH. MINIMUM HUMIDITY 15 TO 25 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 52 TO 62. HIGHS 72 TO 82. SOUTHWEST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS 68 TO 78.
WEDNESDAY
CLEAR. LOWS 40 TO 50. HIGHS 71 TO 81.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-302300-
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-
342 AM MST THU APR 30 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............8343 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 14 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (150174 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........50 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........45 TO 55 DEGS.
24 HR TREND...........DOWN 5 TO 9 DEGS.
* MAX HUMIDITY.............77 TO 87 PCT.
24 HR TREND...........UP 73 TO 77 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 10 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH AROUND 20 MPH BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT............10300 FT AGL.
* TRANSPORT WINDS..........WEST 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (144200 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 72 TO 82.
SOUTHEAST WIND AROUND 25 MPH. MINIMUM HUMIDITY 19 TO 29 PCT.
SUNDAY
MOSTLY CLOUDY. LOWS 51 TO 61. HIGHS 76 TO 86. SOUTHEAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 16 TO 26 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 51 TO 61. HIGHS 73 TO 83. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 17 TO 27 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS 70 TO 80.
WEDNESDAY
CLEAR. LOWS 41 TO 51. HIGHS 71 TO 81.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-302300-
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-
342 AM MST THU APR 30 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........UP 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............10079 FT AGL.
* TRANSPORT WINDS..........WEST 16 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (171343 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........39 TO 49 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............73 TO 83 PCT.
24 HR TREND...........UP 49 TO 53 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 10 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............15 TO 25 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH AROUND 15 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* MIXING HEIGHT............11695 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (163730 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. LOWS 38 TO 48. HIGHS 61 TO 71.
SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 25 TO 35 PCT.
SUNDAY
MOSTLY CLOUDY. LOWS 44 TO 54. HIGHS 65 TO 75. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 23 TO 33 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 45 TO 55. HIGHS 62 TO 72. WEST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 41 TO 51. HIGHS 58 TO 68.
WEDNESDAY
MOSTLY CLEAR. LOWS 34 TO 44. HIGHS 61 TO 71.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-302300-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
342 AM MST THU APR 30 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT). CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........62 TO 72 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........UP 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............10638 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 17 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (191484 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (70-80 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........70 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........40 TO 50 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............83 TO 93 PCT.
24 HR TREND...........UP 68 TO 72 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 10 MPH INCREASING TO NORTH
AROUND 20 MPH AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT) THEN BECOMING
MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........62 TO 72 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTH AROUND 20 MPH BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT............11256 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 12 TO 13 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (140700 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 63 TO 73. EAST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 27 TO 37 PCT.
SUNDAY
MOSTLY CLOUDY. LOWS 48 TO 58. HIGHS 66 TO 76. SOUTHEAST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 23 TO 33 PCT.
MONDAY
MOSTLY CLOUDY. LOWS 49 TO 59. HIGHS 63 TO 73. SOUTHWEST
WIND AROUND 25 MPH. MINIMUM HUMIDITY 21 TO 31 PCT.
TUESDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 60 TO 70.
WEDNESDAY
CLEAR. LOWS 38 TO 48. HIGHS 61 TO 71.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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