Zone Forecast Product
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
318 FPUS55 KTWC 230913 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 AM MST Sun Aug 23 2026 AZZ501-240200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly cloudy in the morning, then mostly sunny with a 10 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 105 to 110. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Patchy blowing dust in the evening. Lows 80 to 85. .MONDAY...Partly cloudy in the morning then clearing. Highs 103 to 108. .MONDAY NIGHT...Mostly clear. Lows 81 to 86. .TUESDAY...Mostly sunny. Highs 108 to 113. .TUESDAY NIGHT...Partly cloudy. Lows 83 to 88. .WEDNESDAY...Mostly sunny. Highs 107 to 112. .WEDNESDAY NIGHT...Mostly clear. Lows 83 to 88. .THURSDAY...Partly cloudy. Highs 108 to 113. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 82 to 87. Highs 109 to 114. .FRIDAY NIGHT...Partly cloudy. Lows 84 to 89. .SATURDAY...Mostly sunny. Highs 109 to 114. $$ AZZ502-240200- Tohono O`odham Nation- Including Sells 212 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly cloudy in the morning then clearing. Patchy blowing dust in the afternoon. Highs 103 to 108. .TONIGHT...Mostly cloudy. Patchy blowing dust in the evening. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Lows 77 to 82. Chance of precipitation 30 percent. .MONDAY...Partly cloudy in the morning then clearing. Highs 100 to 105. .MONDAY NIGHT...Mostly clear. Lows 78 to 83. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Partly cloudy. Lows 80 to 85. .WEDNESDAY...Mostly sunny. Highs 105 to 110. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 81 to 86. Highs 105 to 111. .FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 82 to 87. Highs 106 to 111. $$ AZZ503-240200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 AM MST Sun Aug 23 2026 .TODAY...Partly cloudy. A 40 percent chance of showers and thunderstorms in the afternoon. Highs 95 to 101. .TONIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 67 to 73. .MONDAY...Mostly sunny. Highs 94 to 99. .MONDAY NIGHT...Partly cloudy. Lows 68 to 74. .TUESDAY...Mostly sunny. Highs 96 to 102. .TUESDAY NIGHT...Mostly clear. Lows 70 to 76. .WEDNESDAY...Mostly sunny. Highs 98 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 77. .THURSDAY...Mostly sunny. Highs 98 to 104. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 70 to 76. .FRIDAY...Partly cloudy. Highs 98 to 104. .FRIDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 71 to 77. .SATURDAY...Partly cloudy. Highs 98 to 104. $$ AZZ504-240200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 101 to 107. South wind around 10 mph becoming northwest in the afternoon. .TONIGHT...Patchy blowing dust in the evening. Partly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows 74 to 80. West wind 5 to 15 mph becoming south around 5 mph after midnight. .MONDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 98 to 104. Southwest wind around 5 mph becoming northwest in the afternoon. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 75 to 81. Northwest wind around 10 mph. .TUESDAY...Mostly sunny. Highs 102 to 108. South wind around 5 mph becoming northwest around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 76 to 84. .WEDNESDAY...Mostly sunny. Highs 103 to 109. .WEDNESDAY NIGHT...Partly cloudy. Lows 77 to 85. .THURSDAY...Mostly sunny. Highs 104 to 110. .THURSDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 77 to 85. .FRIDAY...Mostly sunny. Highs 104 to 110. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 77 to 85. .SATURDAY...Mostly sunny. Highs 103 to 109. $$ AZZ505-240200- South Central Pinal County- Including Picacho Peak State Park 212 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly cloudy in the morning, then mostly sunny with a 10 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 103 to 108. .TONIGHT...Patchy blowing dust in the evening. Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows 78 to 83. .MONDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 100 to 105. .MONDAY NIGHT...Mostly clear. Lows 78 to 83. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Mostly clear. Lows 81 to 86. .WEDNESDAY...Mostly sunny. Highs 105 to 110. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 81 to 87. Highs 105 to 111. $$ AZZ506-240200- Southeast Pinal County- Including Mammoth and Oracle 212 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly cloudy in the morning, then mostly sunny with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 102 to 108. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 75 to 80. .MONDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 99 to 105. .MONDAY NIGHT...Partly cloudy. Lows 76 to 81. .TUESDAY...Mostly sunny. Highs 102 to 108. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 82. .WEDNESDAY...Mostly sunny. Highs 103 to 109. .WEDNESDAY NIGHT...Partly cloudy. Lows 78 to 83. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 104 to 110. Lows 78 to 83. .FRIDAY NIGHT...Partly cloudy. Lows 79 to 84. .SATURDAY...Mostly sunny. Highs 104 to 110. $$ AZZ507-240200- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 AM MST Sun Aug 23 2026 .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 96 to 102. .TONIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows 66 to 72. .MONDAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 94 to 100. .MONDAY NIGHT...Partly cloudy. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 97 to 103. .TUESDAY NIGHT...Partly cloudy. Lows 69 to 75. .WEDNESDAY...Mostly sunny. Highs 98 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 69 to 75. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 98 to 104. Lows 69 to 75. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 76. .SATURDAY...Mostly sunny. Highs 98 to 104. $$ AZZ508-240200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 AM MST Sun Aug 23 2026 .TODAY...Mostly sunny. Highs 98 to 103. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 67 to 72. .MONDAY...Partly cloudy in the morning then clearing. Highs 97 to 102. .MONDAY NIGHT...Partly cloudy. Lows 68 to 73. .TUESDAY...Mostly sunny. Highs 99 to 104. .TUESDAY NIGHT...Partly cloudy. Lows 70 to 75. .WEDNESDAY...Mostly sunny. Highs 100 to 105. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 75. .THURSDAY...Mostly sunny. Highs 99 to 104. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 75. .FRIDAY...Mostly sunny. Highs 100 to 105. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 75. .SATURDAY...Mostly sunny. Highs 100 to 105. $$ AZZ509-240200- Upper Gila River Valley- Including Clifton and Safford 212 AM MST Sun Aug 23 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 98 to 106. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 77. .MONDAY...Partly cloudy. Highs 97 to 105. .MONDAY NIGHT...Partly cloudy. Lows 70 to 78. .TUESDAY...Mostly sunny. Highs 99 to 107. .TUESDAY NIGHT...Partly cloudy. Lows 71 to 79. .WEDNESDAY...Mostly sunny. Highs 100 to 108. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 79. .THURSDAY...Mostly sunny. Highs 99 to 107. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 71 to 79. .FRIDAY...Mostly sunny. Highs 100 to 108. .FRIDAY NIGHT...Partly cloudy. Lows 72 to 80. .SATURDAY...Mostly sunny. Highs 100 to 108. $$ AZZ510-240200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 AM MST Sun Aug 23 2026 .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 59 to 71. .MONDAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 61 to 71. .TUESDAY...Mostly sunny. Highs 87 to 97. .TUESDAY NIGHT...Partly cloudy. Lows 60 to 72. .WEDNESDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 88 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 60 to 72. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 86 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 60 to 72. .FRIDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 88 to 98. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 61 to 73. Highs 88 to 98. $$ AZZ511-240200- Galiuro and Pinaleno Mountains- Including Mount Graham 212 AM MST Sun Aug 23 2026 .TODAY...Mostly sunny. Highs 86 to 96. .TONIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows 65 to 71. .MONDAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .MONDAY NIGHT...Partly cloudy. Lows 66 to 72. .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 88 to 98. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 88 to 98. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 69 to 75. .SATURDAY...Mostly sunny. Highs 88 to 98. $$ AZZ512-240200- Chiricahua Mountains- Including Chiricahua N.M. 212 AM MST Sun Aug 23 2026 .TODAY...Mostly sunny. Highs 87 to 97. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 62 to 68. .MONDAY...Partly cloudy. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 63 to 69. .TUESDAY...Mostly sunny. Highs 89 to 99. .TUESDAY NIGHT...Partly cloudy. Lows 65 to 71. .WEDNESDAY...Mostly sunny. Highs 89 to 99. .WEDNESDAY NIGHT...Partly cloudy. Lows 66 to 72. .THURSDAY...Mostly sunny. Highs 89 to 99. .THURSDAY NIGHT...Partly cloudy. Lows 65 to 71. .FRIDAY...Mostly sunny. Highs 89 to 99. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 71. .SATURDAY...Mostly sunny. Highs 89 to 99. $$ AZZ513-240200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 AM MST Sun Aug 23 2026 .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 88 to 96. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 64 to 69. .MONDAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 94. .MONDAY NIGHT...Partly cloudy. Lows 65 to 70. .TUESDAY...Mostly sunny. Highs 90 to 98. .TUESDAY NIGHT...Partly cloudy. Lows 67 to 72. .WEDNESDAY...Mostly sunny. Highs 91 to 99. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 73. .THURSDAY...Mostly sunny. Highs 91 to 99. .THURSDAY NIGHT...Partly cloudy. Lows 67 to 72. .FRIDAY...Mostly sunny. Highs 91 to 99. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 73. .SATURDAY...Partly cloudy. Highs 91 to 99. $$ AZZ514-240200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 AM MST Sun Aug 23 2026 .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 83 to 93. .TONIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows 65 to 71. .MONDAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 81 to 91. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 66 to 72. .TUESDAY...Mostly sunny. Highs 84 to 94. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 74. .WEDNESDAY...Mostly sunny. Highs 85 to 95. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 74. .THURSDAY...Mostly sunny. Highs 85 to 95. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 86 to 96. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 69 to 75. .SATURDAY...Mostly sunny. Highs 86 to 96. $$ AZZ515-240200- Baboquivari Mountains- Including Kitt Peak 212 AM MST Sun Aug 23 2026 .TODAY...Partly cloudy. A 40 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 90 to 96. .TONIGHT...Patchy blowing dust in the evening. Mostly cloudy with a 40 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 69 to 74. .MONDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 88 to 94. .MONDAY NIGHT...Partly cloudy. Lows 71 to 76. .TUESDAY...Mostly sunny. Highs 91 to 97. .TUESDAY NIGHT...Mostly clear. Lows 73 to 78. .WEDNESDAY...Mostly sunny. Highs 92 to 98. .WEDNESDAY NIGHT...Partly cloudy. Lows 73 to 78. .THURSDAY...Mostly sunny. Highs 93 to 99. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 73 to 78. .FRIDAY...Mostly sunny. Highs 94 to 100. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 74 to 79. .SATURDAY...Partly cloudy. Highs 93 to 99. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson