FPUS55 KTWC 212113 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 PM MST Thu May 21 2026 AZZ501-221400- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 61 to 66. .FRIDAY...Sunny. Highs 91 to 96. .FRIDAY NIGHT...Clear. Lows 62 to 67. .SATURDAY...Sunny. Highs 92 to 97. .SATURDAY NIGHT...Clear. Lows 62 to 67. .SUNDAY...Sunny. Highs 94 to 99. .SUNDAY NIGHT...Clear. Lows 63 to 68. .MEMORIAL DAY...Sunny. Highs 92 to 97. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 59 to 66. Highs 88 to 94. $$ AZZ502-221400- Tohono O'odham Nation- Including Sells 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 58 to 64. .FRIDAY...Sunny. Highs 89 to 94. .FRIDAY NIGHT...Clear. Lows 59 to 65. .SATURDAY...Sunny. Highs 90 to 95. .SATURDAY NIGHT...Clear. Lows 60 to 66. .SUNDAY...Sunny. Highs 92 to 97. .SUNDAY NIGHT...Mostly clear. Lows 62 to 68. .MEMORIAL DAY...Mostly sunny. Highs 90 to 95. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 59 to 65. Highs 88 to 93. $$ AZZ503-221400- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 51 to 57. .FRIDAY...Sunny. Highs 83 to 89. .FRIDAY NIGHT...Clear. Lows 52 to 58. .SATURDAY...Sunny. Highs 84 to 90. .SATURDAY NIGHT...Clear. Lows 53 to 59. .SUNDAY...Sunny. Highs 87 to 93. .SUNDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 55 to 61. .MEMORIAL DAY...Mostly sunny. Highs 85 to 91. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 51 to 57. Highs 83 to 91. $$ AZZ504-221400- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 57 to 63. West wind 5 to 15 mph becoming south around 10 mph after midnight. .FRIDAY...Sunny. Highs 87 to 93. South wind around 5 mph becoming southwest around 10 mph in the afternoon. .FRIDAY NIGHT...Clear. Lows 58 to 64. Southwest wind 5 to 15 mph. .SATURDAY...Sunny. Highs 88 to 94. Southeast wind around 5 mph becoming west around 10 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows 60 to 66. West wind 5 to 10 mph becoming south after midnight. .SUNDAY...Sunny. Highs 90 to 96. .SUNDAY NIGHT...Mostly clear with a 10 percent chance of showers. Lows 62 to 68. .MEMORIAL DAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 89 to 95. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 57 to 63. Highs 88 to 95. $$ AZZ505-221400- South Central Pinal County- Including Picacho Peak State Park 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 59 to 64. .FRIDAY...Sunny. Highs 89 to 94. .FRIDAY NIGHT...Clear. Lows 61 to 66. .SATURDAY...Sunny. Highs 90 to 95. .SATURDAY NIGHT...Clear. Lows 63 to 68. .SUNDAY...Sunny. Highs 92 to 97. .SUNDAY NIGHT...Mostly clear. Lows 65 to 70. .MEMORIAL DAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 90 to 95. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 59 to 66. Highs 89 to 94. $$ AZZ506-221400- Southeast Pinal County- Including Mammoth and Oracle 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 58 to 63. .FRIDAY...Sunny. Highs 86 to 92. .FRIDAY NIGHT...Mostly clear. Lows 59 to 64. .SATURDAY...Sunny. Highs 87 to 93. .SATURDAY NIGHT...Clear. Lows 61 to 66. .SUNDAY...Sunny. Highs 90 to 96. .SUNDAY NIGHT...Mostly clear. Lows 63 to 68. .MEMORIAL DAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Highs 87 to 93. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 59 to 64. .TUESDAY THROUGH THURSDAY...Clear. Highs 86 to 93. Lows 59 to 64. $$ AZZ507-221400- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 51 to 57. .FRIDAY...Sunny. Highs 82 to 88. .FRIDAY NIGHT...Clear. Lows 52 to 58. .SATURDAY...Sunny. Highs 83 to 89. .SATURDAY NIGHT...Clear. Lows 53 to 59. .SUNDAY...Sunny. Highs 85 to 91. .SUNDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 57 to 62. .MEMORIAL DAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Highs 84 to 89. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly clear. Lows 50 to 56. .TUESDAY THROUGH THURSDAY...Clear. Highs 83 to 90. Lows 50 to 57. $$ AZZ508-221400- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 PM MST Thu May 21 2026 .TONIGHT...Mostly clear. Lows 51 to 57. .FRIDAY...Sunny. Highs 83 to 88. .FRIDAY NIGHT...Mostly clear. Lows 52 to 58. .SATURDAY...Sunny. Highs 84 to 89. .SATURDAY NIGHT...Clear. Lows 53 to 59. .SUNDAY...Sunny. Highs 87 to 92. .SUNDAY NIGHT...Mostly clear. Lows 57 to 62. .MEMORIAL DAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 85 to 90. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 51 to 57. .TUESDAY THROUGH THURSDAY...Clear. Highs 84 to 91. Lows 51 to 57. $$ AZZ509-221400- Upper Gila River Valley- Including Clifton and Safford 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 54 to 60. .FRIDAY...Sunny. Highs 83 to 91. .FRIDAY NIGHT...Mostly clear. Lows 55 to 61. .SATURDAY...Sunny. Highs 84 to 92. .SATURDAY NIGHT...Clear. Lows 57 to 63. .SUNDAY...Sunny. Highs 87 to 95. .SUNDAY NIGHT...Mostly clear. Lows 59 to 65. .MEMORIAL DAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 84 to 90. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 54 to 60. .TUESDAY THROUGH THURSDAY...Clear. Highs 82 to 93. Lows 54 to 61. $$ AZZ510-221400- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 44 to 56. .FRIDAY...Sunny. Highs 71 to 81. .FRIDAY NIGHT...Mostly clear. Lows 45 to 57. .SATURDAY...Sunny. Highs 73 to 83. .SATURDAY NIGHT...Clear. Lows 47 to 59. .SUNDAY...Sunny. Highs 76 to 86. .SUNDAY NIGHT...Mostly clear. Lows 49 to 61. .MEMORIAL DAY...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs 72 to 82. .MONDAY NIGHT...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 44 to 56. Chance of precipitation 30 percent. .TUESDAY...Mostly sunny. Highs 70 to 80. .TUESDAY NIGHT THROUGH THURSDAY...Clear. Lows 43 to 56. Highs 72 to 84. $$ AZZ511-221400- Galiuro and Pinaleno Mountains- Including Mount Graham 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 51 to 57. .FRIDAY...Sunny. Highs 72 to 82. .FRIDAY NIGHT...Mostly clear. Lows 52 to 58. .SATURDAY...Sunny. Highs 73 to 83. .SATURDAY NIGHT...Clear. Lows 54 to 60. .SUNDAY...Sunny. Highs 76 to 86. .SUNDAY NIGHT...Mostly clear. Lows 56 to 62. .MEMORIAL DAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 73 to 83. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 51 to 57. .TUESDAY THROUGH THURSDAY...Clear. Highs 72 to 85. Lows 51 to 57. $$ AZZ512-221400- Chiricahua Mountains- Including Chiricahua N.M. 212 PM MST Thu May 21 2026 .TONIGHT...Mostly clear. Lows 50 to 56. .FRIDAY...Sunny. Highs 73 to 81. .FRIDAY NIGHT...Mostly clear. Lows 51 to 57. .SATURDAY...Sunny. Highs 74 to 82. .SATURDAY NIGHT...Clear. Lows 52 to 58. .SUNDAY...Sunny. Highs 78 to 86. .SUNDAY NIGHT...Mostly clear. Lows 55 to 61. .MEMORIAL DAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 76 to 84. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 49 to 55. .TUESDAY THROUGH THURSDAY...Clear. Highs 75 to 85. Lows 49 to 56. $$ AZZ513-221400- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 51 to 56. .FRIDAY...Sunny. Highs 76 to 82. .FRIDAY NIGHT...Clear. Lows 51 to 57. .SATURDAY...Sunny. Highs 77 to 83. .SATURDAY NIGHT...Clear. Lows 53 to 58. .SUNDAY...Sunny. Highs 79 to 87. .SUNDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 56 to 61. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 79 to 85. .MONDAY NIGHT...Mostly clear. Lows 50 to 55. .TUESDAY THROUGH THURSDAY...Clear. Highs 77 to 85. Lows 50 to 56. $$ AZZ514-221400- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 52 to 58. .FRIDAY...Sunny. Highs 70 to 82. .FRIDAY NIGHT...Clear. Lows 53 to 59. .SATURDAY...Sunny. Highs 71 to 83. .SATURDAY NIGHT...Clear. Lows 54 to 60. .SUNDAY...Sunny. Highs 73 to 85. .SUNDAY NIGHT...Mostly clear. Lows 57 to 63. .MEMORIAL DAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 73 to 85. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 52 to 58. .TUESDAY THROUGH THURSDAY...Clear. Highs 72 to 85. Lows 51 to 58. $$ AZZ515-221400- Baboquivari Mountains- Including Kitt Peak 212 PM MST Thu May 21 2026 .TONIGHT...Clear. Lows 56 to 61. .FRIDAY...Sunny. Highs 78 to 84. .FRIDAY NIGHT...Clear. Lows 56 to 61. .SATURDAY...Sunny. Highs 79 to 85. .SATURDAY NIGHT...Clear. Lows 57 to 62. .SUNDAY...Sunny. Highs 81 to 87. .SUNDAY NIGHT...Mostly clear. Lows 60 to 65. .MEMORIAL DAY...Mostly sunny. Highs 81 to 87. .MONDAY NIGHT THROUGH THURSDAY...Clear. Lows 55 to 60. Highs 79 to 86. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson