642
FPUS55 KTWC 210437
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
937 PM MST FRI MAR 20 2026
AZZ501-211400-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
MOSTLY CLEAR. LOWS 66 TO 72.
SATURDAY
SUNNY. HIGHS 102 TO 107.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 70.
SUNDAY
MOSTLY SUNNY. HIGHS 97 TO 102.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 92 TO 97.
MONDAY NIGHT
CLEAR. LOWS 57 TO 65.
TUESDAY
SUNNY. HIGHS 96 TO 101.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 60 TO 68.
HIGHS 99 TO 104.
THURSDAY
PARTLY CLOUDY. HIGHS 99 TO 104.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 62 TO 68. HIGHS
98 TO 103.
AZZ502-211400-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 64 TO 72.
SATURDAY
SUNNY. HIGHS 99 TO 104.
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 93 TO 98.
MONDAY NIGHT
CLEAR. LOWS 59 TO 67.
TUESDAY
SUNNY. HIGHS 95 TO 100.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 60 TO 68.
HIGHS 97 TO 102.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 96 TO 102. LOWS
62 TO 68.
AZZ503-211400-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 57 TO 65.
SATURDAY
SUNNY. HIGHS 95 TO 100.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
MONDAY NIGHT
CLEAR. LOWS 54 TO 60.
TUESDAY
SUNNY. HIGHS 91 TO 96.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 55 TO 61.
HIGHS 94 TO 99.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 90 TO 98. LOWS
56 TO 62.
AZZ504-211400-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 62 TO 68. NORTHWEST WIND AROUND
10 MPH BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS 96 TO 102. SOUTHEAST WIND AROUND 10 MPH
BECOMING NORTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS 61 TO 67. NORTHWEST WIND 5 TO
10 MPH BECOMING SOUTH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 94 TO 100. SOUTH WIND AROUND 10 MPH
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 64. WEST WIND 5 TO
15 MPH BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
MONDAY NIGHT
CLEAR. LOWS 58 TO 64.
TUESDAY
SUNNY. HIGHS 93 TO 99.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 66.
HIGHS 96 TO 102.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 92 TO 101. LOWS
60 TO 66.
AZZ505-211400-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 61 TO 69.
SATURDAY
SUNNY. HIGHS 98 TO 103.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 69.
SUNDAY
MOSTLY SUNNY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 67.
MONDAY
MOSTLY SUNNY. HIGHS 93 TO 98.
MONDAY NIGHT
CLEAR. LOWS 59 TO 65.
TUESDAY
SUNNY. HIGHS 94 TO 99.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 60 TO 66.
HIGHS 96 TO 101.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 95 TO 101. LOWS
61 TO 67.
AZZ506-211400-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 63 TO 68.
SATURDAY
SUNNY. HIGHS 94 TO 100.
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 89 TO 95.
MONDAY NIGHT
CLEAR. LOWS 59 TO 64.
TUESDAY
SUNNY. HIGHS 91 TO 97.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 60 TO 66.
HIGHS 93 TO 99.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 90 TO 98. LOWS
61 TO 66.
AZZ507-211400-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 55 TO 63.
SATURDAY
SUNNY. HIGHS 92 TO 97.
SATURDAY NIGHT
CLEAR. LOWS 55 TO 61.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 95.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59.
MONDAY
MOSTLY SUNNY. HIGHS 87 TO 92.
MONDAY NIGHT
CLEAR. LOWS 52 TO 58.
TUESDAY
SUNNY. HIGHS 89 TO 94.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 53 TO 60.
HIGHS 92 TO 97.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 87 TO 95. LOWS
53 TO 59.
AZZ508-211400-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 54 TO 62.
SATURDAY
SUNNY. HIGHS 92 TO 97.
SATURDAY NIGHT
CLEAR. LOWS 54 TO 60.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59.
MONDAY
MOSTLY SUNNY. HIGHS 87 TO 92.
MONDAY NIGHT
CLEAR. LOWS 52 TO 58.
TUESDAY
SUNNY. HIGHS 89 TO 94.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 53 TO 60. HIGHS
91 TO 97.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 59.
FRIDAY
PARTLY CLOUDY. HIGHS 85 TO 90.
AZZ509-211400-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
937 PM MST FRI MAR 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 56 TO 64.
SATURDAY
SUNNY. HIGHS 91 TO 97.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 89 TO 95.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 62.
MONDAY
MOSTLY SUNNY. HIGHS 86 TO 92.
MONDAY NIGHT
CLEAR. LOWS 54 TO 60.
TUESDAY
SUNNY. HIGHS 88 TO 94.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 56 TO 62. HIGHS
90 TO 97.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 55 TO 61. HIGHS
85 TO 91.
AZZ510-211400-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 51 TO 61.
SATURDAY
SUNNY. HIGHS 81 TO 89.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 61.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 85.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 59.
MONDAY
MOSTLY SUNNY. HIGHS 75 TO 83.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 57.
TUESDAY
MOSTLY SUNNY. HIGHS 78 TO 86.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 49 TO 59. HIGHS
79 TO 89.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS
75 TO 83.
AZZ511-211400-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 59 TO 65.
SATURDAY
SUNNY. HIGHS 80 TO 90.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 64.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 61.
MONDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
MONDAY NIGHT
CLEAR. LOWS 54 TO 60.
TUESDAY
SUNNY. HIGHS 77 TO 87.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 62.
HIGHS 80 TO 90.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 74 TO 88. LOWS
55 TO 61.
AZZ512-211400-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 57 TO 63.
SATURDAY
SUNNY. HIGHS 84 TO 92.
SATURDAY NIGHT
CLEAR. LOWS 56 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 81 TO 89.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 78 TO 86.
MONDAY NIGHT
CLEAR. LOWS 52 TO 58.
TUESDAY
SUNNY. HIGHS 80 TO 88.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 53 TO 60. HIGHS
82 TO 91.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
FRIDAY
PARTLY CLOUDY. HIGHS 77 TO 85.
AZZ513-211400-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 58 TO 64.
SATURDAY
SUNNY. HIGHS 87 TO 93.
SATURDAY NIGHT
CLEAR. LOWS 57 TO 63.
SUNDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
MONDAY NIGHT
CLEAR. LOWS 54 TO 59.
TUESDAY
SUNNY. HIGHS 84 TO 90.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 61.
HIGHS 86 TO 92.
THURSDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 61.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 87.
AZZ514-211400-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 61 TO 67.
SATURDAY
SUNNY. HIGHS 80 TO 90.
SATURDAY NIGHT
CLEAR. LOWS 59 TO 65.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 87.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 62.
MONDAY
MOSTLY SUNNY. HIGHS 74 TO 86.
MONDAY NIGHT
CLEAR. LOWS 56 TO 62.
TUESDAY
SUNNY. HIGHS 76 TO 88.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 63.
HIGHS 79 TO 89.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 75 TO 88. LOWS
57 TO 63.
AZZ515-211400-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
937 PM MST FRI MAR 20 2026
REST OF TONIGHT
CLEAR. LOWS 65 TO 70.
SATURDAY
SUNNY. HIGHS 89 TO 95.
SATURDAY NIGHT
CLEAR. LOWS 64 TO 69.
SUNDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
MONDAY NIGHT
CLEAR. LOWS 59 TO 64.
TUESDAY
SUNNY. HIGHS 84 TO 90.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
CLEAR. LOWS 61 TO 66.
HIGHS 87 TO 93.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 85 TO 92. LOWS
61 TO 66.
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