902
FPUS55 KTWC 181018
ZFPTWC
ZONE FORECAST PRODUCT FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
318 AM MST SUN JAN 18 2026
AZZ501-190200-
WESTERN PIMA COUNTY-
INCLUDING AJO AND ORGAN PIPE CACTUS N.M.
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 76 TO 81.
TONIGHT
MOSTLY CLEAR. LOWS 45 TO 51.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. HIGHS 73 TO 78.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 78.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 78.
WEDNESDAY NIGHT THROUGH SATURDAY
PARTLY CLOUDY. LOWS 43 TO 53.
HIGHS 69 TO 78.
AZZ502-190200-
TOHONO O'ODHAM NATION-
INCLUDING SELLS
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 71 TO 77.
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 51.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. HIGHS 71 TO 76.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 75.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 47.
WEDNESDAY
SUNNY. HIGHS 70 TO 75.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 68 TO 76. LOWS
46 TO 51.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY WITH A 10 PERCENT
CHANCE OF SHOWERS. LOWS 46 TO 51. HIGHS 66 TO 71.
AZZ503-190200-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
INCLUDING NOGALES
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 71 TO 76.
TONIGHT
MOSTLY CLEAR. LOWS 40 TO 46.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 70 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 45.
TUESDAY
PARTLY CLOUDY. HIGHS 69 TO 74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 42.
WEDNESDAY
SUNNY. HIGHS 69 TO 74.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 43.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 70 TO 75.
LOWS 41 TO 47.
FRIDAY
PARTLY CLOUDY. HIGHS 65 TO 70.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 40 TO 46.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 62 TO 67.
AZZ504-190200-
TUCSON METRO AREA-
INCLUDING TUCSON, GREEN VALLEY, MARANA, AND VAIL
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 70 TO 76. EAST WIND AROUND 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 42 TO 48. NORTHEAST WIND AROUND
5 MPH BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. HIGHS 70 TO 75. SOUTHEAST WIND AROUND
10 MPH BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 46. NORTH WIND AROUND
10 MPH BECOMING SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 68 TO 74. EAST WIND AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 45.
WEDNESDAY
SUNNY. HIGHS 69 TO 74.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 67 TO 76. LOWS
45 TO 50.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 44 TO 49.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 64 TO 69.
AZZ505-190200-
SOUTH CENTRAL PINAL COUNTY-
INCLUDING PICACHO PEAK STATE PARK
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 70 TO 75.
TONIGHT
MOSTLY CLEAR. LOWS 40 TO 48.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 69 TO 74.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 47.
TUESDAY
MOSTLY SUNNY. HIGHS 68 TO 73.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 45.
WEDNESDAY
SUNNY. HIGHS 68 TO 73.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 46.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 67 TO 74. LOWS
44 TO 50.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 45 TO 50.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 65 TO 70.
AZZ506-190200-
SOUTHEAST PINAL COUNTY-
INCLUDING MAMMOTH AND ORACLE
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 65 TO 71.
TONIGHT
MOSTLY CLEAR. LOWS 42 TO 47.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 66 TO 72.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
TUESDAY
MOSTLY SUNNY. HIGHS 64 TO 70.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
WEDNESDAY
SUNNY. HIGHS 65 TO 71.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 63 TO 72. LOWS
44 TO 49.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 43 TO 48.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 61 TO 67.
AZZ507-190200-
UPPER SAN PEDRO RIVER VALLEY-
INCLUDING SIERRA VISTA AND BENSON
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 65 TO 70.
TONIGHT
MOSTLY CLEAR. LOWS 36 TO 42.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 68 TO 73.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40.
TUESDAY
MOSTLY SUNNY. HIGHS 63 TO 68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 39.
WEDNESDAY
SUNNY. HIGHS 65 TO 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 40.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 63 TO 71. LOWS
39 TO 44.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 38 TO 43.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 60 TO 65.
AZZ508-190200-
EASTERN COCHISE COUNTY BELOW 5000 FEET-
INCLUDING WILLCOX AND DOUGLAS
318 AM MST SUN JAN 18 2026
TODAY
SUNNY. HIGHS 62 TO 67.
TONIGHT
MOSTLY CLEAR. LOWS 32 TO 40.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 66 TO 71.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 37.
TUESDAY
MOSTLY SUNNY. HIGHS 60 TO 65.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 37.
WEDNESDAY
SUNNY. HIGHS 63 TO 68.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 38.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 63 TO 69. LOWS
37 TO 43.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 37 TO 42.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 59 TO 64.
AZZ509-190200-
UPPER GILA RIVER VALLEY-
INCLUDING CLIFTON AND SAFFORD
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 61 TO 66.
TONIGHT
MOSTLY CLEAR. LOWS 34 TO 42.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 63 TO 68.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 39.
TUESDAY
MOSTLY SUNNY. HIGHS 59 TO 64.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 38.
WEDNESDAY
SUNNY. HIGHS 62 TO 67.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 40.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 60 TO 67. LOWS
37 TO 43.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 37 TO 43.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 58 TO 64.
AZZ510-190200-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
INCLUDING HANNAGAN MEADOW
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 54 TO 60.
TONIGHT
MOSTLY CLEAR. LOWS 31 TO 41.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 54 TO 62.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 27 TO 37.
TUESDAY
SUNNY. HIGHS 52 TO 58.
TUESDAY NIGHT
CLEAR. LOWS 27 TO 37.
WEDNESDAY
SUNNY. HIGHS 55 TO 61.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 39.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 50 TO 60. LOWS
31 TO 41.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 30 TO 40.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 48 TO 56.
AZZ511-190200-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING MOUNT GRAHAM
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 53 TO 61.
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 44.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. HIGHS 55 TO 63.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40.
TUESDAY
MOSTLY SUNNY. HIGHS 49 TO 59.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 40.
WEDNESDAY
SUNNY. HIGHS 52 TO 62.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 41.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 52 TO 63. LOWS
38 TO 44.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 37 TO 43.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 49 TO 57.
AZZ512-190200-
CHIRICAHUA MOUNTAINS-
INCLUDING CHIRICAHUA NM
318 AM MST SUN JAN 18 2026
TODAY
SUNNY. HIGHS 56 TO 64.
TONIGHT
MOSTLY CLEAR. LOWS 37 TO 43.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 58 TO 66.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 38.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 61.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 39.
WEDNESDAY
SUNNY. HIGHS 55 TO 63.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 40.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 55 TO 65. LOWS
37 TO 43.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 37 TO 43.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 51 TO 59.
AZZ513-190200-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING BISBEE, CANELO HILLS, AND MADERA CANYON
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 61 TO 69.
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 45.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 63 TO 69.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 42.
TUESDAY
PARTLY CLOUDY. HIGHS 59 TO 67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 41.
WEDNESDAY
MOSTLY SUNNY. HIGHS 59 TO 67.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 41.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 58 TO 69. LOWS
40 TO 45.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
SHOWERS. LOWS 38 TO 43.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 55 TO 61.
AZZ514-190200-
CATALINA AND RINCON MOUNTAINS-
INCLUDING MOUNT LEMMON AND SUMMERHAVEN
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 56 TO 64.
TONIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. HIGHS 55 TO 65.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 44.
TUESDAY
MOSTLY SUNNY. HIGHS 52 TO 62.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 43.
WEDNESDAY
SUNNY. HIGHS 53 TO 63.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 44.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 51 TO 65. LOWS
41 TO 47.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS 39 TO 45. HIGHS 48 TO 58.
AZZ515-190200-
BABOQUIVARI MOUNTAINS-
INCLUDING KITT PEAK
318 AM MST SUN JAN 18 2026
TODAY
MOSTLY SUNNY. HIGHS 65 TO 71.
TONIGHT
MOSTLY CLEAR. LOWS 46 TO 51.
MARTIN LUTHER KING JR DAY
PARTLY CLOUDY. HIGHS 63 TO 69.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 49.
TUESDAY
PARTLY CLOUDY. HIGHS 62 TO 68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46.
WEDNESDAY
SUNNY. HIGHS 62 TO 68.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 59 TO 69. LOWS
46 TO 51.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS 44 TO 49. HIGHS 56 TO 62.
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