540
FPUS55 KTWC 200913
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
212 AM MST MON APR 20 2026
AZZ501-210200-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 89 TO 94.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 60 TO 65.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 93.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 59.
WEDNESDAY
MOSTLY SUNNY. HIGHS 83 TO 88.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 59.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 91.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS
86 TO 91.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO
60. HIGHS 82 TO 87.
SUNDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
AZZ502-210200-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 86 TO 91.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 58 TO 63.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
87 TO 92.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 58.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 58.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 88.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO
59. HIGHS 84 TO 89.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 81 TO 86.
LOWS 52 TO 58.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 83.
AZZ503-210200-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 81 TO 87.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 51 TO 57.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
81 TO 87.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
THURSDAY
SUNNY. HIGHS 79 TO 85.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO
52. HIGHS 80 TO 86.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 78 TO 83.
LOWS 46 TO 52.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 80.
AZZ504-210200-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 85 TO 91. SOUTHEAST WIND AROUND 10 MPH
BECOMING SOUTHWEST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 56 TO 62. SOUTHWEST WIND 5 TO
10 MPH BECOMING SOUTH AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
86 TO 92. SOUTH WIND AROUND 10 MPH BECOMING SOUTHWEST IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57. SOUTHWEST WIND
10 TO 15 MPH BECOMING SOUTH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 88. SOUTH WIND AROUND
10 MPH BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
THURSDAY
SUNNY. HIGHS 82 TO 88.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO
57. HIGHS 83 TO 89.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 81 TO 87.
LOWS 52 TO 57.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
AZZ505-210200-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 86 TO 91.
TONIGHT
PARTLY CLOUDY. LOWS 58 TO 63.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
88 TO 93.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 59.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 58.
THURSDAY
SUNNY. HIGHS 83 TO 88.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 53 TO 59.
HIGHS 82 TO 89.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 59.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 83.
AZZ506-210200-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. HIGHS 84 TO 90.
TONIGHT
PARTLY CLOUDY. LOWS 57 TO 62.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
85 TO 91.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57.
WEDNESDAY
MOSTLY SUNNY. PATCHY BLOWING DUST. HIGHS 79 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 56.
THURSDAY
SUNNY. HIGHS 79 TO 85.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 51 TO 56.
HIGHS 79 TO 87.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 56.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 81.
AZZ507-210200-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 79 TO 85.
TONIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
82 TO 87.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 84.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 83.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO
50. HIGHS 79 TO 84.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 77 TO 82.
LOWS 45 TO 50.
SUNDAY
MOSTLY SUNNY. HIGHS 74 TO 79.
AZZ508-210200-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. HIGHS 80 TO 85.
TONIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
82 TO 87.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
THURSDAY
MOSTLY SUNNY. HIGHS 79 TO 84.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 44 TO 50.
HIGHS 79 TO 85.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
SUNDAY
MOSTLY SUNNY. HIGHS 76 TO 81.
AZZ509-210200-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 86.
TONIGHT
MOSTLY CLEAR. LOWS 52 TO 58.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
82 TO 88.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 55.
WEDNESDAY
MOSTLY SUNNY. HIGHS 77 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 53.
THURSDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS
79 TO 85.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO
53. HIGHS 77 TO 83.
SUNDAY
MOSTLY SUNNY. HIGHS 74 TO 80.
AZZ510-210200-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 66 TO 76. CHANCE OF PRECIPITATION 30 PERCENT.
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 55.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
69 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 51.
WEDNESDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
THURSDAY
MOSTLY SUNNY. HIGHS 63 TO 73.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 38 TO 48. HIGHS
65 TO 75.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO
49. HIGHS 64 TO 74.
SUNDAY
MOSTLY SUNNY. HIGHS 61 TO 71.
AZZ511-210200-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. HIGHS 69 TO 79.
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
71 TO 81.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 67 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50.
THURSDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 45 TO 51.
HIGHS 66 TO 77.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50.
SUNDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
AZZ512-210200-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA N.M.
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. HIGHS 71 TO 79.
TONIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
73 TO 81.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 52.
WEDNESDAY
SUNNY. HIGHS 72 TO 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50.
THURSDAY
MOSTLY SUNNY. HIGHS 70 TO 78.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 50.
FRIDAY
SUNNY. HIGHS 71 TO 79.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 44 TO 50. HIGHS
70 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50.
SUNDAY
MOSTLY SUNNY. HIGHS 67 TO 75.
AZZ513-210200-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 74 TO 80.
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
75 TO 81.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 79.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 73 TO 79.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO
50. HIGHS 73 TO 79.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 71 TO 77.
LOWS 45 TO 50.
SUNDAY
MOSTLY SUNNY. HIGHS 68 TO 74.
AZZ514-210200-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
212 AM MST MON APR 20 2026
TODAY
MOSTLY SUNNY. HIGHS 67 TO 79.
TONIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
69 TO 81.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 65 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
THURSDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 46 TO 52.
HIGHS 65 TO 77.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
SUNDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
AZZ515-210200-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
212 AM MST MON APR 20 2026
TODAY
SUNNY. HIGHS 75 TO 81.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 55 TO 60.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
76 TO 82.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 55.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 79.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 54.
THURSDAY
SUNNY. HIGHS 73 TO 79.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO
56. HIGHS 74 TO 80.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 71 TO 77.
LOWS 49 TO 54.
SUNDAY
MOSTLY SUNNY. HIGHS 68 TO 74.
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