050
FPUS55 KTWC 190517
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
1016 PM MST WED MAR 18 2026
AZZ501-191400-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
MOSTLY CLEAR. LOWS 62 TO 70.
THURSDAY
SUNNY. HIGHS 101 TO 106.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 72.
FRIDAY
SUNNY. HIGHS 105 TO 110.
FRIDAY NIGHT
CLEAR. LOWS 66 TO 72.
SATURDAY
SUNNY. HIGHS 103 TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 70.
SUNDAY
PARTLY CLOUDY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 93 TO 98. LOWS
59 TO 65.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 95 TO 102. LOWS 60 TO
66.
AZZ502-191400-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
MOSTLY CLEAR. LOWS 61 TO 69.
THURSDAY
SUNNY. HIGHS 99 TO 104.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
FRIDAY
SUNNY. HIGHS 102 TO 107.
FRIDAY NIGHT
CLEAR. LOWS 64 TO 72.
SATURDAY
SUNNY. HIGHS 101 TO 106.
SATURDAY NIGHT
CLEAR. LOWS 63 TO 69.
SUNDAY
PARTLY CLOUDY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 93 TO 98. LOWS
59 TO 65.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 94 TO 100. LOWS 60 TO
66.
AZZ503-191400-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
CLEAR. LOWS 54 TO 62.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 64.
FRIDAY
SUNNY. HIGHS 96 TO 102.
FRIDAY NIGHT
CLEAR. LOWS 59 TO 65.
SATURDAY
SUNNY. HIGHS 96 TO 102.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 88 TO 94. LOWS
54 TO 60.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 89 TO 97. LOWS 54 TO
60.
AZZ504-191400-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
CLEAR. LOWS 59 TO 65. NORTHEAST WIND AROUND
5 MPH BECOMING SOUTHEAST AROUND 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 96 TO 102. EAST WIND AROUND 10 MPH.
THURSDAY NIGHT
CLEAR. LOWS 61 TO 67. NORTHEAST WIND AROUND
10 MPH BECOMING SOUTHEAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 98 TO 104. SOUTHEAST WIND AROUND 10 MPH
BECOMING NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
CLEAR. LOWS 62 TO 68. NORTHWEST WIND 5 TO 10 MPH
BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS 98 TO 104.
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 91 TO 97.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 58 TO 65. HIGHS
92 TO 99.
AZZ505-191400-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
MOSTLY CLEAR. LOWS 59 TO 67.
THURSDAY
SUNNY. HIGHS 98 TO 103.
THURSDAY NIGHT
CLEAR. LOWS 60 TO 68.
FRIDAY
SUNNY. HIGHS 100 TO 105.
FRIDAY NIGHT
CLEAR. LOWS 62 TO 70.
SATURDAY
SUNNY. HIGHS 100 TO 105.
SATURDAY NIGHT
CLEAR. LOWS 63 TO 69.
SUNDAY
PARTLY CLOUDY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 93 TO 98.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 59 TO 65. HIGHS
94 TO 100.
AZZ506-191400-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
MOSTLY CLEAR. LOWS 60 TO 65.
THURSDAY
SUNNY. HIGHS 94 TO 100.
THURSDAY NIGHT
CLEAR. LOWS 63 TO 68.
FRIDAY
SUNNY. HIGHS 96 TO 102.
FRIDAY NIGHT
CLEAR. LOWS 64 TO 69.
SATURDAY
SUNNY. HIGHS 96 TO 102.
SATURDAY NIGHT
CLEAR. LOWS 63 TO 68.
SUNDAY
PARTLY CLOUDY. HIGHS 92 TO 98.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 89 TO 95.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 60 TO 65. HIGHS
90 TO 97.
AZZ507-191400-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
CLEAR. LOWS 53 TO 59.
THURSDAY
SUNNY. HIGHS 91 TO 96.
THURSDAY NIGHT
CLEAR. LOWS 55 TO 61.
FRIDAY
SUNNY. HIGHS 94 TO 99.
FRIDAY NIGHT
CLEAR. LOWS 56 TO 62.
SATURDAY
SUNNY. HIGHS 94 TO 99.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 53 TO 59. HIGHS
87 TO 92.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 52 TO 59. HIGHS
88 TO 94.
AZZ508-191400-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
CLEAR. LOWS 52 TO 58.
THURSDAY
SUNNY. HIGHS 89 TO 94.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
FRIDAY
SUNNY. HIGHS 93 TO 98.
FRIDAY NIGHT
CLEAR. LOWS 55 TO 61.
SATURDAY
SUNNY. HIGHS 94 TO 99.
SATURDAY NIGHT
CLEAR. LOWS 55 TO 61.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 87 TO 92. LOWS
52 TO 58.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 88 TO 94. LOWS 52 TO
58.
AZZ509-191400-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
1016 PM MST WED MAR 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST
SUNDAY...
REST OF TONIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
THURSDAY
SUNNY. HIGHS 89 TO 95.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 62.
FRIDAY
SUNNY. HIGHS 93 TO 99.
FRIDAY NIGHT
CLEAR. LOWS 56 TO 64.
SATURDAY
SUNNY. HIGHS 93 TO 99.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 55 TO 61. HIGHS
86 TO 92.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 54 TO 60. HIGHS
87 TO 94.
AZZ510-191400-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 47 TO 59.
THURSDAY
SUNNY. HIGHS 80 TO 88.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60.
FRIDAY
SUNNY. HIGHS 83 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 51 TO 61.
SATURDAY
SUNNY. HIGHS 82 TO 90.
SATURDAY NIGHT
CLEAR. LOWS 48 TO 60.
SUNDAY
PARTLY CLOUDY. HIGHS 76 TO 86.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 46 TO 58. HIGHS
75 TO 83.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS
77 TO 85.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 47 TO 57. HIGHS 77 TO
85.
AZZ511-191400-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 56 TO 62.
THURSDAY
SUNNY. HIGHS 79 TO 89.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64.
FRIDAY
SUNNY. HIGHS 82 TO 92.
FRIDAY NIGHT
CLEAR. LOWS 58 TO 64.
SATURDAY
SUNNY. HIGHS 81 TO 91.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
PARTLY CLOUDY. HIGHS 78 TO 88.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 54 TO 60. HIGHS
75 TO 85.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 54 TO 60. HIGHS
76 TO 87.
AZZ512-191400-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
CLEAR. LOWS 53 TO 59.
THURSDAY
SUNNY. HIGHS 80 TO 88.
THURSDAY NIGHT
CLEAR. LOWS 56 TO 62.
FRIDAY
SUNNY. HIGHS 84 TO 92.
FRIDAY NIGHT
CLEAR. LOWS 56 TO 62.
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 53 TO 59.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 77 TO 85. LOWS
52 TO 58.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 79 TO 88. LOWS 53 TO
59.
AZZ513-191400-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
CLEAR. LOWS 55 TO 61.
THURSDAY
SUNNY. HIGHS 85 TO 91.
THURSDAY NIGHT
CLEAR. LOWS 57 TO 63.
FRIDAY
SUNNY. HIGHS 87 TO 95.
FRIDAY NIGHT
CLEAR. LOWS 59 TO 64.
SATURDAY
SUNNY. HIGHS 87 TO 95.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 60.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 82 TO 88. LOWS
54 TO 59.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 83 TO 90. LOWS 54 TO
60.
AZZ514-191400-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
CLEAR. LOWS 58 TO 64.
THURSDAY
SUNNY. HIGHS 79 TO 89.
THURSDAY NIGHT
CLEAR. LOWS 60 TO 66.
FRIDAY
SUNNY. HIGHS 82 TO 92.
FRIDAY NIGHT
CLEAR. LOWS 59 TO 65.
SATURDAY
SUNNY. HIGHS 80 TO 92.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 64.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 56 TO 62. HIGHS
75 TO 85.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 55 TO 62. HIGHS
76 TO 87.
AZZ515-191400-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
1016 PM MST WED MAR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 62 TO 67.
THURSDAY
SUNNY. HIGHS 89 TO 95.
THURSDAY NIGHT
CLEAR. LOWS 64 TO 69.
FRIDAY
SUNNY. HIGHS 90 TO 96.
FRIDAY NIGHT
CLEAR. LOWS 65 TO 70.
SATURDAY
SUNNY. HIGHS 90 TO 96.
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 83 TO 89. LOWS
59 TO 64.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 84 TO 91. LOWS 60 TO
65.
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