Zone Forecast Product
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
380 FPUS55 KTWC 212113 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 PM MST Fri Aug 21 2026 AZZ501-221400- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 PM MST Fri Aug 21 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 85 to 90. .SATURDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 109 to 114. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 84 to 89. .SUNDAY...Partly cloudy. Highs 104 to 109. .SUNDAY NIGHT...Partly cloudy. Lows 81 to 86. .MONDAY...Partly cloudy. Highs 104 to 109. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 82 to 87. .TUESDAY...Mostly sunny. Highs 108 to 113. .TUESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 82 to 89. Highs 107 to 113. .FRIDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 108 to 113. $$ AZZ502-221400- Tohono O`odham Nation- Including Sells 212 PM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 81 to 86. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 105 to 110. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 85. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 102 to 107. .SUNDAY NIGHT...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 78 to 83. Chance of precipitation 30 percent. .MONDAY...Partly cloudy. Highs 102 to 107. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 79 to 84. .TUESDAY...Mostly sunny. Highs 105 to 110. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 80 to 86. Highs 105 to 110. .THURSDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 80 to 85. .FRIDAY...Mostly sunny. Highs 105 to 110. $$ AZZ503-221400- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 70 to 76. .SATURDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Highs 98 to 104. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 69 to 75. Chance of precipitation 20 percent. .SUNDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 94 to 100. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 68 to 74. .MONDAY...Partly cloudy. Highs 96 to 101. .MONDAY NIGHT...Partly cloudy. Lows 69 to 75. .TUESDAY...Mostly sunny. Highs 97 to 103. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 71 to 77. Highs 98 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 76. .THURSDAY...Mostly sunny. Highs 97 to 103. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 71 to 77. Highs 98 to 104. $$ AZZ504-221400- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 PM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 77 to 83. Northwest wind around 10 mph becoming southeast around 5 mph after midnight. .SATURDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 103 to 109. Southeast wind around 5 mph becoming northwest around 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 76 to 82. West wind around 10 mph becoming southeast after midnight. Chance of precipitation 20 percent. .SUNDAY...Mostly sunny. Highs 100 to 106. South wind around 10 mph becoming northwest in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 75 to 81. West wind 5 to 10 mph becoming south after midnight. .MONDAY...Partly cloudy. Highs 100 to 106. .MONDAY NIGHT...Partly cloudy. Lows 76 to 82. .TUESDAY...Mostly sunny. Highs 103 to 109. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 77 to 83. Highs 104 to 110. .WEDNESDAY NIGHT...Partly cloudy. Lows 77 to 83. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 103 to 109. Lows 77 to 83. $$ AZZ505-221400- South Central Pinal County- Including Picacho Peak State Park 212 PM MST Fri Aug 21 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 80 to 85. .SATURDAY...Mostly sunny. Highs 105 to 110. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 80 to 85. .SUNDAY...Mostly sunny. Highs 103 to 108. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 79 to 84. .MONDAY...Partly cloudy. Highs 102 to 107. .MONDAY NIGHT...Partly cloudy. Lows 79 to 84. .TUESDAY...Mostly sunny. Highs 105 to 110. .TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 80 to 86. Highs 105 to 111. $$ AZZ506-221400- Southeast Pinal County- Including Mammoth and Oracle 212 PM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Mostly clear. Lows 77 to 82. .SATURDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 103 to 109. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 77 to 82. Chance of precipitation 10 percent. .SUNDAY...Mostly sunny. Highs 101 to 107. .SUNDAY NIGHT...Partly cloudy. Lows 76 to 81. .MONDAY...Partly cloudy. Highs 100 to 106. .MONDAY NIGHT...Partly cloudy. Lows 77 to 82. .TUESDAY...Mostly sunny. Highs 103 to 109. .TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 78 to 83. Highs 103 to 109. $$ AZZ507-221400- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 PM MST Fri Aug 21 2026 .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 75. .SATURDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 97 to 103. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 68 to 74. Chance of precipitation 20 percent. .SUNDAY...Mostly sunny. Highs 95 to 101. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .MONDAY...Partly cloudy. Highs 95 to 101. .MONDAY NIGHT...Partly cloudy. Lows 68 to 74. .TUESDAY...Mostly sunny. Highs 97 to 103. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 69 to 75. Highs 98 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 69 to 75. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 97 to 103. Lows 69 to 75. $$ AZZ508-221400- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 74. .SATURDAY...Mostly sunny. Highs 98 to 103. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 68 to 73. .SUNDAY...Mostly sunny. Highs 97 to 102. .SUNDAY NIGHT...Partly cloudy. Lows 69 to 74. .MONDAY...Mostly sunny. Highs 97 to 102. .MONDAY NIGHT...Mostly clear. Lows 69 to 74. .TUESDAY...Mostly sunny. Highs 99 to 104. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 70 to 75. Highs 99 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 75. .THURSDAY...Mostly sunny. Highs 99 to 104. .THURSDAY NIGHT...Partly cloudy. Lows 70 to 75. .FRIDAY...Mostly sunny. Highs 99 to 104. $$ AZZ509-221400- Upper Gila River Valley- Including Clifton and Safford 212 PM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy. Lows 71 to 79. .SATURDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 99 to 107. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 71 to 79. Chance of precipitation 10 percent. .SUNDAY...Mostly sunny. Highs 97 to 105. .SUNDAY NIGHT...Partly cloudy. Lows 71 to 79. .MONDAY...Partly cloudy. Highs 98 to 106. .MONDAY NIGHT...Partly cloudy. Lows 71 to 79. .TUESDAY...Mostly sunny. Highs 99 to 107. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 72 to 80. Highs 100 to 108. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 79. .THURSDAY...Mostly sunny. Highs 99 to 107. .THURSDAY NIGHT...Partly cloudy. Lows 72 to 80. .FRIDAY...Mostly sunny. Highs 99 to 107. $$ AZZ510-221400- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 PM MST Fri Aug 21 2026 .TONIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 61 to 71. .SATURDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 61 to 71. Chance of precipitation 10 percent. .SUNDAY...Mostly sunny with a 30 percent chance of showers and thunderstorms. Highs 86 to 96. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 72. .MONDAY...Partly cloudy. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 60 to 72. .TUESDAY...Partly cloudy. Highs 87 to 97. .TUESDAY NIGHT...Partly cloudy. Lows 60 to 72. .WEDNESDAY...Partly cloudy. Highs 88 to 98. .WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 60 to 73. Highs 86 to 99. $$ AZZ511-221400- Galiuro and Pinaleno Mountains- Including Mount Graham 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. Lows 67 to 73. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 87 to 97. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 67 to 73. Chance of precipitation 10 percent. .SUNDAY...Mostly sunny. Highs 85 to 95. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 85 to 95. .MONDAY NIGHT...Partly cloudy. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 87 to 97. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 74. .WEDNESDAY...Mostly sunny. Highs 88 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 68 to 74. .THURSDAY...Mostly sunny. Highs 87 to 97. .THURSDAY NIGHT...Partly cloudy. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 88 to 98. $$ AZZ512-221400- Chiricahua Mountains- Including Chiricahua N.M. 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. Lows 65 to 71. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 88 to 98. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 64 to 70. .SUNDAY...Mostly sunny. Highs 86 to 96. .SUNDAY NIGHT...Partly cloudy. Lows 63 to 69. .MONDAY...Mostly sunny. Highs 87 to 97. .MONDAY NIGHT...Mostly clear. Lows 64 to 70. .TUESDAY...Mostly sunny. Highs 88 to 98. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 65 to 71. Highs 88 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 65 to 71. .THURSDAY...Mostly sunny. Highs 88 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 65 to 71. .FRIDAY...Mostly sunny. Highs 88 to 98. $$ AZZ513-221400- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 72. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 90 to 98. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 66 to 71. Chance of precipitation 20 percent. .SUNDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 87 to 95. .SUNDAY NIGHT...Partly cloudy. Lows 65 to 70. .MONDAY...Partly cloudy. Highs 88 to 96. .MONDAY NIGHT...Partly cloudy. Lows 66 to 71. .TUESDAY...Mostly sunny. Highs 90 to 98. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 67 to 72. Highs 90 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 67 to 72. .THURSDAY...Mostly sunny. Highs 90 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 67 to 72. .FRIDAY...Mostly sunny. Highs 90 to 98. $$ AZZ514-221400- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 68 to 74. .SATURDAY...Partly cloudy in the morning, then a 20 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of showers after midnight. Lows 68 to 74. Chance of precipitation 20 percent. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 83 to 93. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 82 to 92. .MONDAY NIGHT...Partly cloudy. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 84 to 94. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 68 to 74. Highs 85 to 95. .WEDNESDAY NIGHT...Partly cloudy. Lows 68 to 74. .THURSDAY THROUGH FRIDAY...Mostly clear with a 10 percent chance of showers and thunderstorms. Highs 85 to 95. Lows 68 to 74. $$ AZZ515-221400- Baboquivari Mountains- Including Kitt Peak 212 PM MST Fri Aug 21 2026 .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 73 to 78. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs 93 to 99. .SATURDAY NIGHT...Mostly cloudy with chance of showers and thunderstorms in the evening, then partly cloudy with slight chance of showers after midnight. Lows 72 to 77. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 89 to 95. .SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 70 to 75. .MONDAY...Partly cloudy. Highs 89 to 95. .MONDAY NIGHT...Partly cloudy. Lows 72 to 77. .TUESDAY...Mostly sunny. Highs 92 to 98. .TUESDAY NIGHT...Partly cloudy. Lows 73 to 78. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 92 to 99. Lows 73 to 78. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 74 to 79. .FRIDAY...Partly cloudy. Highs 93 to 99. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson