674
FPUS55 KTWC 191838
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
1138 AM MST THU MAR 19 2026
AZZ501-200200-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 100 TO 105.
TONIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
FRIDAY
SUNNY. HIGHS 103 TO 108.
FRIDAY NIGHT
CLEAR. LOWS 67 TO 73.
SATURDAY
SUNNY. HIGHS 103 TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 70.
SUNDAY
MOSTLY SUNNY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 94 TO 99.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 59 TO 67. HIGHS
96 TO 103.
AZZ502-200200-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 99 TO 104.
TONIGHT
CLEAR. LOWS 62 TO 72.
FRIDAY
SUNNY. HIGHS 100 TO 105.
FRIDAY NIGHT
CLEAR. LOWS 64 TO 72.
SATURDAY
SUNNY. HIGHS 100 TO 105.
SATURDAY NIGHT
CLEAR. LOWS 64 TO 70.
SUNDAY
MOSTLY SUNNY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 94 TO 99.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 60 TO 67. HIGHS
95 TO 102.
AZZ503-200200-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 94 TO 100.
TONIGHT
CLEAR. LOWS 57 TO 65.
FRIDAY
SUNNY. HIGHS 96 TO 101.
FRIDAY NIGHT
CLEAR. LOWS 57 TO 65.
SATURDAY
SUNNY. HIGHS 95 TO 101.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 92 TO 98.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 61.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 90 TO 95. LOWS
54 TO 60.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 92 TO 98. LOWS 55 TO
61.
AZZ504-200200-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 96 TO 102. NORTHEAST WIND AROUND
10 MPH.
TONIGHT
CLEAR. LOWS 61 TO 67. NORTH WIND AROUND 10 MPH
BECOMING SOUTHEAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 97 TO 103. SOUTHEAST WIND AROUND 10 MPH
BECOMING NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
CLEAR. LOWS 62 TO 68. NORTHWEST WIND AROUND
10 MPH BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS 97 TO 103. SOUTHEAST WIND AROUND 10 MPH
BECOMING NORTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS 61 TO 67.
SUNDAY
MOSTLY SUNNY. HIGHS 95 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 93 TO 99.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 58 TO 65. HIGHS
93 TO 101.
AZZ505-200200-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 98 TO 103.
TONIGHT
CLEAR. LOWS 60 TO 68.
FRIDAY
SUNNY. HIGHS 99 TO 104.
FRIDAY NIGHT
CLEAR. LOWS 61 TO 69.
SATURDAY
SUNNY. HIGHS 99 TO 104.
SATURDAY NIGHT
CLEAR. LOWS 62 TO 68.
SUNDAY
MOSTLY SUNNY. HIGHS 97 TO 102.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 94 TO 99.
MONDAY NIGHT
CLEAR. LOWS 59 TO 65.
TUESDAY
MOSTLY SUNNY. HIGHS 95 TO 100.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 60 TO 66. HIGHS 96 TO
101.
AZZ506-200200-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 94 TO 100.
TONIGHT
CLEAR. LOWS 62 TO 67.
FRIDAY
SUNNY. HIGHS 95 TO 101.
FRIDAY NIGHT
CLEAR. LOWS 63 TO 68.
SATURDAY
SUNNY. HIGHS 95 TO 101.
SATURDAY NIGHT
CLEAR. LOWS 63 TO 68.
SUNDAY
MOSTLY SUNNY. HIGHS 92 TO 98.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 61 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
MONDAY NIGHT
CLEAR. LOWS 60 TO 65.
TUESDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 60 TO 65. HIGHS 93 TO
99.
AZZ507-200200-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 91 TO 96.
TONIGHT
CLEAR. LOWS 54 TO 62.
FRIDAY
SUNNY. HIGHS 93 TO 98.
FRIDAY NIGHT
CLEAR. LOWS 56 TO 62.
SATURDAY
SUNNY. HIGHS 93 TO 98.
SATURDAY NIGHT
CLEAR. LOWS 55 TO 61.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 88 TO 93.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 52 TO 59. HIGHS
89 TO 96.
AZZ508-200200-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 90 TO 95.
TONIGHT
CLEAR. LOWS 53 TO 61.
FRIDAY
SUNNY. HIGHS 92 TO 97.
FRIDAY NIGHT
CLEAR. LOWS 55 TO 61.
SATURDAY
SUNNY. HIGHS 93 TO 98.
SATURDAY NIGHT
CLEAR. LOWS 54 TO 60.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 88 TO 93. LOWS
52 TO 58.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 89 TO 96. LOWS 53 TO
59.
AZZ509-200200-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
1138 AM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TODAY
SUNNY. HIGHS 90 TO 96.
TONIGHT
CLEAR. LOWS 55 TO 63.
FRIDAY
SUNNY. HIGHS 92 TO 98.
FRIDAY NIGHT
CLEAR. LOWS 56 TO 64.
SATURDAY
SUNNY. HIGHS 92 TO 98.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 62.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 87 TO 94. LOWS
54 TO 60.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 55 TO 61. HIGHS 90 TO
96.
AZZ510-200200-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY. HIGHS 81 TO 89.
TONIGHT
CLEAR. LOWS 50 TO 60.
FRIDAY
SUNNY. HIGHS 82 TO 90.
FRIDAY NIGHT
CLEAR. LOWS 51 TO 61.
SATURDAY
SUNNY. HIGHS 81 TO 89.
SATURDAY NIGHT
CLEAR. LOWS 49 TO 59.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 86.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 59.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 76 TO 86. LOWS
47 TO 57.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 48 TO 58. HIGHS 79 TO
87.
AZZ511-200200-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY. HIGHS 79 TO 89.
TONIGHT
CLEAR. LOWS 58 TO 64.
FRIDAY
SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 59 TO 65.
SATURDAY
SUNNY. HIGHS 81 TO 91.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 61.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 76 TO 87. LOWS
54 TO 60.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 55 TO 61. HIGHS 79 TO
89.
AZZ512-200200-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY. HIGHS 81 TO 89.
TONIGHT
CLEAR. LOWS 56 TO 62.
FRIDAY
SUNNY. HIGHS 83 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 57 TO 63.
SATURDAY
SUNNY. HIGHS 84 TO 92.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 82 TO 90.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 79 TO 87. LOWS
52 TO 58.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 80 TO 90. LOWS 54 TO
60.
AZZ513-200200-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY. HIGHS 85 TO 91.
TONIGHT
CLEAR. LOWS 58 TO 64.
FRIDAY
SUNNY. HIGHS 87 TO 93.
FRIDAY NIGHT
CLEAR. LOWS 58 TO 64.
SATURDAY
SUNNY. HIGHS 87 TO 93.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 61.
MONDAY
MOSTLY SUNNY. HIGHS 83 TO 89.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 54 TO 60. HIGHS
84 TO 91.
AZZ514-200200-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY, WARMER. HIGHS 80 TO 90.
TONIGHT
CLEAR. LOWS 61 TO 67.
FRIDAY
SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 61 TO 67.
SATURDAY
SUNNY. HIGHS 80 TO 90.
SATURDAY NIGHT
CLEAR. LOWS 59 TO 65.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 89.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 62.
MONDAY
MOSTLY SUNNY. HIGHS 76 TO 86.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 56 TO 63. HIGHS
77 TO 88.
AZZ515-200200-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
1138 AM MST THU MAR 19 2026
REST OF TODAY
SUNNY. HIGHS 89 TO 95.
TONIGHT
CLEAR. LOWS 65 TO 70.
FRIDAY
SUNNY. HIGHS 90 TO 96.
FRIDAY NIGHT
CLEAR. LOWS 65 TO 70.
SATURDAY
SUNNY. HIGHS 89 TO 95.
SATURDAY NIGHT
CLEAR. LOWS 63 TO 68.
SUNDAY
MOSTLY SUNNY. HIGHS 86 TO 92.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 64.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 84 TO 90. LOWS
59 TO 64.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 85 TO 93. LOWS 60 TO
65.
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