FPUS55 KTWC 222113 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 PM MST Sat Aug 22 2026 AZZ501-231400- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 PM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 84 to 89. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 105 to 110. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 10 percent chance of showers and thunderstorms. Lows 81 to 86. .MONDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 103 to 108. .MONDAY NIGHT...Mostly clear. Lows 82 to 87. .TUESDAY...Mostly sunny. Highs 108 to 113. .TUESDAY NIGHT...Mostly clear. Lows 85 to 90. .WEDNESDAY...Mostly sunny. Highs 110 to 115. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 83 to 89. Highs 109 to 116. $$ AZZ502-231400- Tohono O'odham Nation- Including Sells 212 PM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 81 to 86. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 102 to 107. .SUNDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Lows 78 to 83. Chance of precipitation 30 percent. .MONDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 100 to 105. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 79 to 84. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Mostly clear. Lows 82 to 87. .WEDNESDAY...Mostly sunny. Highs 106 to 112. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 81 to 86. Highs 106 to 112. .FRIDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 81 to 86. .SATURDAY...Mostly sunny. Highs 105 to 110. $$ AZZ503-231400- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 75. .SUNDAY...Partly cloudy in the morning, then a 40 percent chance of showers and thunderstorms in the afternoon. Highs 95 to 101. .SUNDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms in the evening. Lows 68 to 74. Chance of precipitation 30 percent. .MONDAY...Partly cloudy. Highs 94 to 99. .MONDAY NIGHT...Partly cloudy. Lows 69 to 75. .TUESDAY...Mostly sunny. Highs 97 to 103. .TUESDAY NIGHT...Mostly clear. Lows 71 to 77. .WEDNESDAY...Mostly sunny. Highs 98 to 104. .WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 71 to 77. Highs 98 to 104. .FRIDAY NIGHT...Partly cloudy. Lows 71 to 77. .SATURDAY...Mostly sunny. Highs 98 to 104. $$ AZZ504-231400- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 PM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 77 to 83. Northwest wind around 10 mph becoming southeast after midnight. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 101 to 107. South wind around 10 mph becoming west in the afternoon. .SUNDAY NIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 75 to 81. Southwest wind 5 to 10 mph becoming south after midnight. .MONDAY...Partly cloudy. Highs 98 to 104. West wind around 5 mph becoming northwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 76 to 82. Northwest wind 5 to 10 mph becoming southwest after midnight. .TUESDAY...Mostly sunny. Highs 102 to 108. .TUESDAY NIGHT...Mostly clear. Lows 77 to 85. .WEDNESDAY...Mostly sunny. Highs 104 to 110. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 78 to 84. Highs 104 to 110. .FRIDAY NIGHT...Partly cloudy. Lows 78 to 84. .SATURDAY...Mostly sunny. Highs 103 to 109. $$ AZZ505-231400- South Central Pinal County- Including Picacho Peak State Park 212 PM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. Lows 81 to 86. .SUNDAY...Mostly sunny. Highs 103 to 108. .SUNDAY NIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 79 to 84. .MONDAY...Partly cloudy. Highs 100 to 105. .MONDAY NIGHT...Partly cloudy. Lows 79 to 84. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Mostly clear. Lows 82 to 87. .WEDNESDAY...Mostly sunny. Highs 106 to 111. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 81 to 86. Highs 105 to 111. $$ AZZ506-231400- Southeast Pinal County- Including Mammoth and Oracle 212 PM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 77 to 82. .SUNDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 101 to 107. .SUNDAY NIGHT...Mostly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 75 to 80. .MONDAY...Partly cloudy. Highs 99 to 105. .MONDAY NIGHT...Partly cloudy. Lows 76 to 81. .TUESDAY...Mostly sunny. Highs 103 to 109. .TUESDAY NIGHT...Mostly clear. Lows 78 to 83. .WEDNESDAY...Mostly sunny. Highs 104 to 110. .WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 78 to 83. Highs 104 to 110. .SATURDAY...Sunny. Highs 104 to 110. $$ AZZ507-231400- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 68 to 74. .SUNDAY...Mostly sunny. Highs 95 to 101. .SUNDAY NIGHT...Mostly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 94 to 100. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 97 to 103. .TUESDAY NIGHT...Mostly clear. Lows 69 to 75. .WEDNESDAY...Mostly sunny. Highs 98 to 104. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 70 to 76. Highs 98 to 104. .FRIDAY NIGHT...Partly cloudy. Lows 69 to 75. .SATURDAY...Mostly sunny. Highs 98 to 104. $$ AZZ508-231400- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 74. .SUNDAY...Mostly sunny. Highs 98 to 103. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 67 to 72. .MONDAY...Partly cloudy. Highs 97 to 102. .MONDAY NIGHT...Partly cloudy. Lows 69 to 74. .TUESDAY...Mostly sunny. Highs 99 to 104. .TUESDAY NIGHT...Mostly clear. Lows 70 to 75. .WEDNESDAY...Mostly sunny. Highs 100 to 105. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 71 to 76. Highs 100 to 105. .THURSDAY NIGHT...Partly cloudy. Lows 70 to 75. .FRIDAY...Mostly sunny. Highs 100 to 105. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 75. .SATURDAY...Mostly sunny. Highs 99 to 104. $$ AZZ509-231400- Upper Gila River Valley- Including Clifton and Safford 212 PM MST Sat Aug 22 2026...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 70 to 78. .SUNDAY...Mostly sunny. Highs 98 to 106. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 70 to 78. .MONDAY...Partly cloudy. Highs 97 to 105. .MONDAY NIGHT...Partly cloudy. Lows 71 to 79. .TUESDAY...Mostly sunny. Highs 99 to 107. .TUESDAY NIGHT...Mostly clear. Lows 72 to 80. .WEDNESDAY...Mostly sunny. Highs 100 to 108. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 72 to 80. Highs 100 to 108. .THURSDAY NIGHT...Partly cloudy. Lows 72 to 80. .FRIDAY...Mostly sunny. Highs 100 to 108. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 73 to 79. .SATURDAY...Mostly sunny. Highs 100 to 108. $$ AZZ510-231400- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 61 to 71. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 59 to 71. .MONDAY...Partly cloudy. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 60 to 72. .TUESDAY...Mostly sunny. Highs 88 to 98. .TUESDAY NIGHT...Partly cloudy. Lows 60 to 72. .WEDNESDAY...Mostly sunny. Highs 88 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 60 to 72. .THURSDAY...Mostly sunny. Highs 87 to 99. .THURSDAY NIGHT...Partly cloudy. Lows 61 to 73. .FRIDAY...Mostly sunny. Highs 87 to 99. .FRIDAY NIGHT...Partly cloudy. Lows 61 to 73. .SATURDAY...Mostly sunny. Highs 88 to 98. $$ AZZ511-231400- Galiuro and Pinaleno Mountains- Including Mount Graham 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 73. .SUNDAY...Mostly sunny. Highs 86 to 96. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 85 to 95. .MONDAY NIGHT...Partly cloudy. Lows 66 to 72. .TUESDAY...Mostly sunny. Highs 87 to 97. .TUESDAY NIGHT...Mostly clear. Lows 68 to 74. .WEDNESDAY...Mostly sunny. Highs 88 to 98. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 68 to 74. Highs 88 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 88 to 98. .FRIDAY NIGHT...Partly cloudy. Lows 68 to 74. .SATURDAY...Mostly sunny. Highs 88 to 98. $$ AZZ512-231400- Chiricahua Mountains- Including Chiricahua N.M. 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 64 to 70. .SUNDAY...Mostly sunny. Highs 87 to 97. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 63 to 69. .MONDAY...Partly cloudy. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 64 to 70. .TUESDAY...Mostly sunny. Highs 89 to 99. .TUESDAY NIGHT...Mostly clear. Lows 65 to 71. .WEDNESDAY...Mostly sunny. Highs 89 to 99. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 66 to 72. Highs 89 to 99. .THURSDAY NIGHT...Partly cloudy. Lows 66 to 72. .FRIDAY...Mostly sunny. Highs 89 to 99. .FRIDAY NIGHT...Partly cloudy. Lows 65 to 71. .SATURDAY...Mostly sunny. Highs 89 to 99. $$ AZZ513-231400- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 65 to 71. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 88 to 96. .SUNDAY NIGHT...Mostly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 65 to 70. .MONDAY...Partly cloudy. Highs 87 to 95. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 66 to 71. .TUESDAY...Mostly sunny. Highs 90 to 98. .TUESDAY NIGHT...Mostly clear. Lows 68 to 73. .WEDNESDAY...Mostly sunny. Highs 91 to 99. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 68 to 73. Highs 91 to 99. .THURSDAY NIGHT...Partly cloudy. Lows 68 to 73. .FRIDAY...Mostly sunny. Highs 91 to 99. .FRIDAY NIGHT...Partly cloudy. Lows 67 to 72. .SATURDAY...Mostly sunny. Highs 91 to 99. $$ AZZ514-231400- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 68 to 74. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 83 to 93. .SUNDAY NIGHT...Mostly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 81 to 91. .MONDAY NIGHT...Partly cloudy. Lows 66 to 72. .TUESDAY...Mostly sunny. Highs 84 to 94. .TUESDAY NIGHT...Mostly clear. Lows 68 to 74. .WEDNESDAY...Mostly sunny. Highs 85 to 95. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 69 to 75. Highs 86 to 96. .FRIDAY NIGHT...Partly cloudy. Lows 69 to 75. .SATURDAY...Mostly sunny. Highs 85 to 95. $$ AZZ515-231400- Baboquivari Mountains- Including Kitt Peak 212 PM MST Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 73 to 78. .SUNDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Highs 90 to 96. .SUNDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Lows 70 to 75. Chance of precipitation 30 percent. .MONDAY...Partly cloudy. Highs 88 to 94. .MONDAY NIGHT...Partly cloudy. Lows 72 to 77. .TUESDAY...Mostly sunny. Highs 92 to 98. .TUESDAY NIGHT...Mostly clear. Lows 74 to 79. .WEDNESDAY...Mostly sunny. Highs 93 to 99. .WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 74 to 79. Highs 93 to 99. .FRIDAY NIGHT...Partly cloudy. Lows 74 to 79. .SATURDAY...Mostly sunny. Highs 93 to 99. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson