057
FPUS55 KTWC 181839
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
1138 AM MST SAT APR 18 2026
AZZ501-190200-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 88 TO 93.
TONIGHT
PARTLY CLOUDY. LOWS 58 TO 64.
SUNDAY
PARTLY CLOUDY. HIGHS 90 TO 95.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 64.
MONDAY
SUNNY. HIGHS 90 TO 95.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 64.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 93.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 61.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 83 TO 88.
LOWS 52 TO 57.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 84 TO 90. LOWS
54 TO 59.
AZZ502-190200-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 86 TO 91.
TONIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS
58 TO 64.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
10 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO
93.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 63.
MONDAY
SUNNY. HIGHS 87 TO 92.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 63.
TUESDAY
MOSTLY SUNNY. HIGHS 87 TO 92.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 60.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 82 TO 87.
LOWS 52 TO 57.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 81 TO 88. LOWS
52 TO 58.
AZZ503-190200-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 81 TO 87.
TONIGHT
MOSTLY CLEAR. LOWS 52 TO 58.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. SLIGHT CHANCE OF DRY THUNDERSTORMS IN THE AFTERNOON.
HIGHS 82 TO 88.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 54.
MONDAY
SUNNY. HIGHS 82 TO 88.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
TUESDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 78 TO 84. LOWS
45 TO 51.
AZZ504-190200-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 84 TO 90. EAST WIND AROUND 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 57 TO 63. NORTHEAST WIND 5 TO
10 MPH BECOMING SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.
SUNDAY
BREEZY. PATCHY BLOWING DUST IN THE MORNING. PARTLY
CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH SLIGHT CHANCE OF
DRY THUNDERSTORMS IN THE AFTERNOON. HIGHS 85 TO 91. EAST WIND
15 TO 25 MPH BECOMING SOUTHEAST 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 61. SOUTHEAST WIND 5 TO
15 MPH.
MONDAY
SUNNY. HIGHS 86 TO 92. SOUTHEAST WIND AROUND 10 MPH
BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 62.
TUESDAY
MOSTLY SUNNY. HIGHS 86 TO 92.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 59.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 80 TO 87. LOWS
50 TO 56.
AZZ505-190200-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 85 TO 90.
TONIGHT
MOSTLY CLEAR. LOWS 57 TO 63.
SUNDAY
BREEZY. PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. AND PATCHY BLOWING DUST THROUGH THE DAY. HIGHS
88 TO 93. EAST WIND 15 TO 25 MPH IN THE MORNING. GUSTS UP TO
40 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 64.
MONDAY
SUNNY. HIGHS 88 TO 93.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 63.
TUESDAY
MOSTLY SUNNY. HIGHS 89 TO 94.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 60.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 56.
THURSDAY
SUNNY. HIGHS 81 TO 86.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS
83 TO 88.
AZZ506-190200-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 82 TO 88.
TONIGHT
MOSTLY CLEAR. LOWS 57 TO 62.
SUNDAY
BREEZY. PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. AND PATCHY BLOWING DUST THROUGH THE DAY. HIGHS
82 TO 88. SOUTHEAST WIND 15 TO 25 MPH WITH GUSTS TO AROUND
45 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 62.
MONDAY
MOSTLY SUNNY. HIGHS 84 TO 90.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 62.
TUESDAY
MOSTLY SUNNY. HIGHS 85 TO 91.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 58.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 86.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 54.
THURSDAY
SUNNY. HIGHS 77 TO 83.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS
79 TO 85.
AZZ507-190200-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 79 TO 84.
TONIGHT
MOSTLY CLEAR. LOWS 50 TO 55.
SUNDAY
BREEZY. PARTLY CLOUDY. PATCHY BLOWING DUST THROUGH THE
DAY. A 10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 78 TO 83. EAST WIND 15 TO 25 MPH IN THE MORNING.
GUSTS UP TO 40 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF DRY
THUNDERSTORMS. LOWS 46 TO 52.
MONDAY
SUNNY. HIGHS 81 TO 86.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
TUESDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 53.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 77 TO 84. LOWS
42 TO 49.
AZZ508-190200-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 77 TO 82.
TONIGHT
BREEZY. MOSTLY CLEAR. LOWS 49 TO 55. EAST WIND 15 TO
25 MPH AFTER MIDNIGHT.
SUNDAY
BREEZY. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY
CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. PATCHY BLOWING DUST THROUGH THE DAY. HIGHS 75 TO
80. EAST WIND 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND DRY THUNDERSTORMS. LOWS 45 TO 51.
MONDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
TUESDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 49.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 78 TO 84. LOWS
43 TO 49.
AZZ509-190200-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 77 TO 83.
TONIGHT
BREEZY. MOSTLY CLEAR. LOWS 49 TO 57. EAST WIND 15 TO
25 MPH AFTER MIDNIGHT. GUSTS UP TO 40 MPH.
SUNDAY
WINDY. PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. PATCHY BLOWING DUST. HIGHS 75 TO 81. SOUTHEAST
WIND 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. PATCHY BLOWING DUST. LOWS 49 TO 57.
SOUTHEAST WIND 15 TO 25 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS 80 TO 86.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 58.
TUESDAY
MOSTLY SUNNY. HIGHS 83 TO 89.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
WEDNESDAY
MOSTLY SUNNY. HIGHS 77 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 52.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 75 TO 83. LOWS
45 TO 51.
AZZ510-190200-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 65 TO 75.
TONIGHT
CLEAR. LOWS 38 TO 50.
SUNDAY
PARTLY CLOUDY. HIGHS 65 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND DRY THUNDERSTORMS. LOWS 42 TO 52.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS 66 TO 76. CHANCE OF PRECIPITATION
30 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 55.
TUESDAY
MOSTLY SUNNY. HIGHS 69 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 62 TO 74. LOWS
37 TO 47.
AZZ511-190200-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 66 TO 76.
TONIGHT
WINDY. MOSTLY CLEAR. LOWS 45 TO 53. EAST WIND 20 TO
30 MPH WITH GUSTS TO AROUND 45 MPH AFTER MIDNIGHT.
SUNDAY
WINDY. PARTLY CLOUDY. HIGHS 64 TO 74. EAST WIND 25 TO
35 MPH. GUSTS UP TO 55 MPH DECREASING TO 45 MPH IN THE AFTERNOON.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS AND DRY THUNDERSTORMS. LOWS 47 TO 53. EAST WIND 15 TO
25 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 69 TO 79.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 56.
TUESDAY
MOSTLY SUNNY. HIGHS 71 TO 81.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 67 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 49.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 64 TO 76. LOWS
43 TO 49.
AZZ512-190200-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 68 TO 76.
TONIGHT
BREEZY. MOSTLY CLEAR. LOWS 44 TO 52. EAST WIND 15 TO
25 MPH WITH GUSTS TO AROUND 40 MPH AFTER MIDNIGHT.
SUNDAY
WINDY. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY
WITH A 10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 64 TO 74. EAST WIND 20 TO 30 MPH IN THE MORNING.
SUNDAY NIGHT
MOSTLY CLEAR WITH A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 42 TO 50.
MONDAY
MOSTLY SUNNY. HIGHS 71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 81.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 72 TO 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 69 TO 78. LOWS
43 TO 49.
AZZ513-190200-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS 73 TO 79.
TONIGHT
BREEZY. MOSTLY CLEAR. LOWS 50 TO 55. SOUTHEAST WIND
15 TO 25 MPH AFTER MIDNIGHT.
SUNDAY
BREEZY. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND DRY THUNDERSTORMS
IN THE AFTERNOON. HIGHS 72 TO 80. EAST WIND 15 TO 25 MPH WITH
GUSTS TO AROUND 40 MPH IN THE MORNING.
SUNDAY NIGHT
MOSTLY CLEAR WITH SLIGHT CHANCE OF DRY
THUNDERSTORMS. LOWS 47 TO 52.
MONDAY
SUNNY. HIGHS 75 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
TUESDAY
MOSTLY SUNNY. HIGHS 76 TO 82.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 79.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 48.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 71 TO 78. LOWS
44 TO 49.
AZZ514-190200-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY, WARMER. HIGHS 67 TO 77.
TONIGHT
BREEZY. MOSTLY CLEAR. LOWS 49 TO 57. SOUTHEAST WIND
15 TO 25 MPH AFTER MIDNIGHT.
SUNDAY
WINDY. PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 77. EAST WIND
20 TO 30 MPH IN THE MORNING.
SUNDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF DRY
THUNDERSTORMS. LOWS 50 TO 56.
MONDAY
SUNNY. HIGHS 68 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
TUESDAY
MOSTLY SUNNY. HIGHS 69 TO 81.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 54.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 76.
LOWS 44 TO 50.
THURSDAY
SUNNY. HIGHS 62 TO 74.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS
65 TO 75.
AZZ515-190200-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
1138 AM MST SAT APR 18 2026
REST OF TODAY
SUNNY, WARMER. HIGHS 76 TO 82.
TONIGHT
MOSTLY CLEAR. LOWS 56 TO 61.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. SLIGHT CHANCE OF DRY THUNDERSTORMS IN THE AFTERNOON.
HIGHS 77 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 59.
MONDAY
SUNNY. HIGHS 76 TO 82.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 60.
TUESDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 72 TO 78.
LOWS 48 TO 53.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 71 TO 78. LOWS
50 TO 55.
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