809
FPUS55 KTWC 200637
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
1136 PM MST THU MAR 19 2026
AZZ501-201400-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 64 TO 72.
FRIDAY
SUNNY. HIGHS 103 TO 108.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 72.
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 92 TO 97.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 65.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 96 TO 104. LOWS 61 TO
68.
AZZ502-201400-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 63 TO 71.
FRIDAY
SUNNY. HIGHS 100 TO 105.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
SATURDAY
SUNNY. HIGHS 100 TO 105.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 70.
SUNDAY
PARTLY CLOUDY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 93 TO 98.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 65.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 95 TO 103. LOWS 61 TO
68.
AZZ503-201400-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 57 TO 65.
FRIDAY
SUNNY. HIGHS 95 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 91 TO 97.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 89 TO 95.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 53 TO 61. HIGHS
91 TO 99.
AZZ504-201400-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 61 TO 67. SOUTH WIND AROUND
10 MPH.
FRIDAY
SUNNY. HIGHS 97 TO 103. SOUTHEAST WIND AROUND 10 MPH
BECOMING NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
CLEAR. LOWS 61 TO 67. 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. NORTHWEST WIND 5 TO
10 MPH BECOMING SOUTH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 94 TO 100.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 92 TO 98.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 58 TO 66. HIGHS
93 TO 102.
AZZ505-201400-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF 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
PARTLY CLOUDY. HIGHS 96 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66.
MONDAY
MOSTLY SUNNY. HIGHS 93 TO 98.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 59 TO 67. HIGHS
95 TO 102.
AZZ506-201400-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF 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 60 TO 65.
MONDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 59 TO 66. HIGHS
91 TO 99.
AZZ507-201400-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 54 TO 62.
FRIDAY
SUNNY. HIGHS 93 TO 98.
FRIDAY NIGHT
CLEAR. LOWS 55 TO 61.
SATURDAY
SUNNY. HIGHS 93 TO 98.
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 88 TO 93.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 52 TO 60. HIGHS
89 TO 96.
AZZ508-201400-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 52 TO 60.
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 90 TO 95.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59.
MONDAY
PARTLY CLOUDY. HIGHS 88 TO 93.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 52 TO 60. HIGHS
89 TO 96.
AZZ509-201400-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
1136 PM MST THU MAR 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
REST OF TONIGHT
CLEAR. LOWS 54 TO 62.
FRIDAY
SUNNY. HIGHS 92 TO 98.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 63.
SATURDAY
SUNNY. HIGHS 92 TO 98.
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 87 TO 93.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 88 TO 96. LOWS 55 TO 62.
AZZ510-201400-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
1136 PM MST THU MAR 19 2026
REST OF 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
PARTLY CLOUDY. LOWS 48 TO 58.
MONDAY
MOSTLY SUNNY. HIGHS 76 TO 84.
MONDAY NIGHT THROUGH WEDNESDAY
CLEAR. LOWS 46 TO 59. HIGHS
78 TO 88.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59.
THURSDAY
SUNNY. HIGHS 79 TO 87.
AZZ511-201400-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
1136 PM MST THU MAR 19 2026
REST OF TONIGHT
CLEAR. LOWS 58 TO 64.
FRIDAY
SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 58 TO 64.
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
MOSTLY SUNNY. HIGHS 76 TO 86.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 53 TO 62. HIGHS
77 TO 89.
AZZ512-201400-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
1136 PM MST THU MAR 19 2026
REST OF 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 55 TO 61.
SUNDAY
MOSTLY SUNNY. HIGHS 81 TO 89.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60.
MONDAY
PARTLY CLOUDY. HIGHS 79 TO 87.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 52 TO 60. HIGHS
80 TO 90.
AZZ513-201400-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
1136 PM MST THU MAR 19 2026
REST OF TONIGHT
CLEAR. LOWS 57 TO 63.
FRIDAY
SUNNY. HIGHS 87 TO 93.
FRIDAY NIGHT
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
MOSTLY CLEAR. LOWS 55 TO 60.
MONDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 54 TO 61. HIGHS
84 TO 92.
AZZ514-201400-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
1136 PM MST THU MAR 19 2026
REST OF TONIGHT
CLEAR. LOWS 61 TO 67.
FRIDAY
SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
CLEAR. LOWS 60 TO 66.
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 THROUGH THURSDAY
CLEAR. LOWS 55 TO 63. HIGHS
77 TO 89.
AZZ515-201400-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
1136 PM MST THU MAR 19 2026
REST OF 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 85 TO 91.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 64.
MONDAY
MOSTLY SUNNY. HIGHS 83 TO 89.
MONDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 59 TO 66. HIGHS
85 TO 93.
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