Zone Forecast Product
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
562 FPUS55 KTWC 210913 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 AM MST Fri Aug 21 2026 AZZ501-220200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. Highs 108 to 113. .TONIGHT...Partly cloudy. Lows 84 to 89. .SATURDAY...Partly cloudy. Highs 108 to 113. .SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 84 to 89. .SUNDAY...Partly cloudy. Highs 104 to 109. .SUNDAY NIGHT...Partly cloudy. Lows 81 to 86. .MONDAY...Mostly sunny. Highs 105 to 110. .MONDAY NIGHT...Partly cloudy. Lows 82 to 87. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 107 to 113. Lows 82 to 88. $$ AZZ502-220200- Tohono O`odham Nation- Including Sells 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. Highs 104 to 109. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 80 to 85. .SATURDAY...Partly cloudy in the morning, then mostly sunny with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 105 to 110. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 79 to 84. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 102 to 107. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 78 to 83. .MONDAY...Mostly sunny. Highs 102 to 107. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 79 to 84. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 104 to 110. Lows 80 to 86. $$ AZZ503-220200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs 97 to 103. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 75. .SATURDAY...Partly cloudy in the morning, then a 10 percent chance of showers and thunderstorms in the afternoon. Highs 97 to 103. .SATURDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 69 to 75. .SUNDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 95 to 101. .SUNDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows 68 to 74. .MONDAY...Partly cloudy. Highs 95 to 101. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 69 to 75. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 97 to 104. Lows 70 to 76. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 77. .THURSDAY...Mostly sunny. Highs 98 to 104. $$ AZZ504-220200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 102 to 108. Southeast wind around 5 mph becoming northwest around 10 mph in the afternoon. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 75 to 81. Southwest wind around 10 mph becoming southeast around 5 mph after midnight. .SATURDAY...Mostly sunny. Highs 102 to 108. East wind around 5 mph becoming northwest around 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 76 to 82. West wind around 10 mph becoming southeast after midnight. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 101 to 107. South wind around 10 mph becoming northwest in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 75 to 81. .MONDAY...Mostly sunny. Highs 100 to 106. .MONDAY NIGHT...Partly cloudy. Lows 76 to 82. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 102 to 110. Lows 77 to 84. $$ AZZ505-220200- South Central Pinal County- Including Picacho Peak State Park 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. Highs 104 to 109. .TONIGHT...Mostly clear. Lows 79 to 84. .SATURDAY...Mostly sunny. Highs 105 to 110. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. 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...Mostly sunny. Highs 102 to 107. .MONDAY NIGHT...Partly cloudy. Lows 79 to 84. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 104 to 110. Lows 81 to 86. $$ AZZ506-220200- Southeast Pinal County- Including Mammoth and Oracle 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 102 to 108. .TONIGHT...Mostly clear. Lows 76 to 81. .SATURDAY...Mostly sunny. Highs 103 to 109. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 77 to 82. .SUNDAY...Mostly sunny. Highs 101 to 107. .SUNDAY NIGHT...Partly cloudy. Lows 76 to 81. .MONDAY...Mostly sunny. Highs 100 to 106. .MONDAY NIGHT...Partly cloudy. Lows 77 to 82. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 102 to 109. Lows 78 to 84. $$ AZZ507-220200- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 96 to 102. .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 73. .SATURDAY...Mostly sunny. Highs 96 to 102. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 68 to 74. .SUNDAY...Mostly sunny. Highs 95 to 101. .SUNDAY NIGHT...Partly cloudy. Lows 67 to 73. .MONDAY...Mostly sunny. Highs 95 to 101. .MONDAY NIGHT...Partly cloudy. Lows 68 to 74. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 96 to 103. Lows 69 to 75. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 76. .THURSDAY...Mostly sunny. Highs 98 to 104. $$ AZZ508-220200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 98 to 103. .TONIGHT...Partly cloudy. Lows 68 to 73. .SATURDAY...Mostly sunny. Highs 98 to 103. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 69 to 74. .SUNDAY...Mostly sunny. Highs 97 to 102. .SUNDAY NIGHT...Partly cloudy. Lows 68 to 73. .MONDAY...Mostly sunny. Highs 97 to 102. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 69 to 75. Highs 99 to 105. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 76. .THURSDAY...Mostly sunny. Highs 99 to 104. $$ AZZ509-220200- Upper Gila River Valley- Including Clifton and Safford 212 AM MST Fri Aug 21 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny. Highs 98 to 106. .TONIGHT...Partly cloudy. Lows 70 to 78. .SATURDAY...Mostly sunny. Highs 98 to 106. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 78. .SUNDAY...Mostly sunny. Highs 97 to 105. .SUNDAY NIGHT...Partly cloudy. Lows 70 to 78. .MONDAY...Mostly sunny. Highs 98 to 106. .MONDAY NIGHT...Partly cloudy. Lows 71 to 79. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 99 to 108. Lows 72 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 72 to 80. .THURSDAY...Mostly sunny. Highs 100 to 108. $$ AZZ510-220200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 59 to 71. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 60 to 72. .SUNDAY...Mostly sunny. Highs 85 to 95. .SUNDAY NIGHT...Partly cloudy. Lows 59 to 71. .MONDAY...Mostly sunny. Highs 86 to 96. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 60 to 72. Highs 87 to 97. .WEDNESDAY...Mostly sunny. Highs 87 to 99. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 60 to 72. Highs 86 to 98. $$ AZZ511-220200- Galiuro and Pinaleno Mountains- Including Mount Graham 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .TONIGHT...Partly cloudy. Lows 66 to 72. .SATURDAY...Mostly sunny. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .SUNDAY...Mostly sunny. Highs 85 to 95. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 72. .MONDAY...Mostly sunny. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 67 to 73. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 87 to 98. Lows 68 to 74. .WEDNESDAY NIGHT...Partly cloudy. Lows 69 to 75. .THURSDAY...Mostly sunny. Highs 88 to 98. $$ AZZ512-220200- Chiricahua Mountains- Including Chiricahua N.M. 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 87 to 97. .TONIGHT...Partly cloudy. Lows 64 to 70. .SATURDAY...Mostly sunny. Highs 87 to 97. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 64 to 70. .SUNDAY...Mostly sunny. Highs 86 to 96. .SUNDAY NIGHT...Partly cloudy. Lows 63 to 69. .MONDAY...Mostly sunny. Highs 87 to 97. .MONDAY NIGHT...Partly cloudy. Lows 64 to 70. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 88 to 99. Lows 65 to 71. .WEDNESDAY NIGHT...Partly cloudy. Lows 66 to 72. .THURSDAY...Mostly sunny. Highs 89 to 99. $$ AZZ513-220200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 89 to 97. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 66 to 71. .SATURDAY...Mostly sunny. Highs 90 to 98. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 66 to 71. .SUNDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 88 to 96. .SUNDAY NIGHT...Partly cloudy. Lows 65 to 70. .MONDAY...Mostly sunny. Highs 88 to 96. .MONDAY NIGHT...Partly cloudy. Lows 66 to 71. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 89 to 98. Lows 67 to 72. .WEDNESDAY NIGHT...Partly cloudy. Lows 68 to 73. .THURSDAY...Mostly sunny. Highs 91 to 99. $$ AZZ514-220200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 93. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 73. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .SATURDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 67 to 73. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 83 to 93. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 82 to 92. .MONDAY NIGHT...Partly cloudy. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 85 to 93. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 74. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 95. Lows 69 to 75. $$ AZZ515-220200- Baboquivari Mountains- Including Kitt Peak 212 AM MST Fri Aug 21 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs 92 to 98. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 72 to 77. .SATURDAY...Partly cloudy. Highs 92 to 98. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 72 to 77. .SUNDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 90 to 96. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 71 to 76. .MONDAY...Partly cloudy. Highs 90 to 96. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 72 to 77. .TUESDAY...Mostly sunny. Highs 91 to 97. .TUESDAY NIGHT...Partly cloudy. Lows 73 to 78. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 92 to 99. Lows 73 to 78. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson