FPUS55 KTWC 221735 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 1034 AM MST Sat Aug 22 2026 AZZ501-230200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 108 to 114. .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 104 to 109. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 80 to 85. .MONDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 103 to 108. .MONDAY NIGHT...Mostly clear. Lows 81 to 86. .TUESDAY...Mostly sunny. Highs 107 to 112. .TUESDAY NIGHT...Mostly clear. Lows 83 to 88. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 107 to 113. Lows 82 to 87. $$ AZZ502-230200- Tohono O'odham Nation- Including Sells 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 105 to 110. .TONIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 79 to 84. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 102 to 107. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows 77 to 82. .MONDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 100 to 105. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 78 to 83. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Mostly clear. Lows 80 to 85. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 104 to 110. Lows 80 to 85. $$ AZZ503-230200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Sunny late in the morning, then partly cloudy with a 20 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 68 to 74. .SUNDAY...Partly cloudy in the morning, then a 40 percent chance of showers and thunderstorms in the afternoon. Highs 94 to 100. .SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 67 to 73. .MONDAY...Partly cloudy. Highs 94 to 99. .MONDAY NIGHT...Partly cloudy. Lows 68 to 74. .TUESDAY...Mostly sunny. Highs 96 to 102. .TUESDAY NIGHT...Mostly clear. Lows 69 to 75. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 97 to 103. Lows 70 to 76. .THURSDAY NIGHT...Partly cloudy. Lows 70 to 76. .FRIDAY...Partly cloudy. Highs 99 to 104. $$ AZZ504-230200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 102 to 108. East wind around 5 mph becoming north around 10 mph in the afternoon. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 75 to 81. Northwest wind around 10 mph becoming southeast after midnight. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 100 to 106. South wind around 10 mph becoming west in the afternoon. .SUNDAY NIGHT...Mostly cloudy. Lows 74 to 80. Southwest wind 5 to 10 mph becoming south after midnight. .MONDAY...Partly cloudy. Highs 99 to 105. West wind around 5 mph becoming northwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 75 to 81. .TUESDAY...Mostly sunny. Highs 102 to 108. .TUESDAY NIGHT...Mostly clear. Lows 76 to 82. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 103 to 109. Lows 77 to 83. $$ AZZ505-230200- South Central Pinal County- Including Picacho Peak State Park 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 105 to 110. .TONIGHT...Partly cloudy. Lows 79 to 84. .SUNDAY...Mostly sunny. Highs 102 to 107. .SUNDAY NIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 78 to 83. .MONDAY...Partly cloudy. Highs 101 to 106. .MONDAY NIGHT...Partly cloudy. Lows 78 to 83. .TUESDAY...Mostly sunny. Highs 104 to 109. .TUESDAY NIGHT...Mostly clear. Lows 80 to 85. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 105 to 110. Lows 80 to 86. $$ AZZ506-230200- Southeast Pinal County- Including Mammoth and Oracle 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 103 to 109. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 76 to 81. .SUNDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 100 to 106. .SUNDAY NIGHT...Mostly cloudy. Lows 75 to 80. .MONDAY...Partly cloudy. Highs 99 to 105. .MONDAY NIGHT...Partly cloudy. Lows 76 to 81. .TUESDAY...Mostly sunny. Highs 102 to 108. .TUESDAY NIGHT...Mostly clear. Lows 77 to 82. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 103 to 110. Lows 77 to 83. $$ AZZ507-230200- Upper San Pedro River Valley- Including Sierra Vista and Benson 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. Highs 96 to 102. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 73. .SUNDAY...Mostly sunny. Highs 94 to 100. .SUNDAY NIGHT...Mostly cloudy. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 93 to 99. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .TUESDAY...Mostly sunny. Highs 96 to 102. .TUESDAY NIGHT...Mostly clear. Lows 68 to 74. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 97 to 104. Lows 69 to 75. .THURSDAY NIGHT...Partly cloudy. Lows 69 to 75. .FRIDAY...Mostly sunny. Highs 98 to 104. $$ AZZ508-230200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. Highs 98 to 103. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 68 to 73. .SUNDAY...Mostly sunny. Highs 96 to 101. .SUNDAY NIGHT...Mostly cloudy. Lows 67 to 72. .MONDAY...Partly cloudy. Highs 96 to 101. .MONDAY NIGHT...Partly cloudy. Lows 68 to 73. .TUESDAY...Mostly sunny. Highs 98 to 103. .TUESDAY NIGHT...Mostly clear. Lows 69 to 74. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 99 to 104. Lows 70 to 75. .THURSDAY NIGHT...Partly cloudy. Lows 70 to 75. .FRIDAY...Mostly sunny. Highs 99 to 104. $$ AZZ509-230200- Upper Gila River Valley- Including Clifton and Safford 1034 AM MST Sat Aug 22 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... .REST OF TODAY...Mostly sunny. Highs 98 to 106. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 70 to 78. .SUNDAY...Mostly sunny. Highs 97 to 105. .SUNDAY NIGHT...Mostly cloudy. 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...Mostly clear. Lows 71 to 79. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 99 to 108. Lows 71 to 79. .THURSDAY NIGHT...Partly cloudy. Lows 71 to 79. .FRIDAY...Mostly sunny. Highs 100 to 108. $$ AZZ510-230200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Partly cloudy. A 30 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 59 to 71. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .SUNDAY NIGHT...Mostly cloudy. Lows 59 to 71. .MONDAY...Partly cloudy. Highs 85 to 95. .MONDAY NIGHT...Partly cloudy. Lows 59 to 71. .TUESDAY...Mostly sunny. Highs 87 to 97. .TUESDAY NIGHT...Partly cloudy. Lows 60 to 72. .WEDNESDAY...Mostly sunny. Highs 87 to 97. .WEDNESDAY NIGHT...Partly cloudy. Lows 60 to 72. .THURSDAY...Mostly sunny. Highs 86 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 60 to 72. .FRIDAY...Mostly sunny. Highs 88 to 98. $$ AZZ511-230200- Galiuro and Pinaleno Mountains- Including Mount Graham 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. Highs 86 to 96. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 66 to 72. .SUNDAY...Mostly sunny. Highs 85 to 95. .SUNDAY NIGHT...Mostly cloudy. Lows 65 to 71. .MONDAY...Partly cloudy. Highs 84 to 94. .MONDAY NIGHT...Partly cloudy. Lows 66 to 72. .TUESDAY...Mostly sunny. Highs 86 to 96. .TUESDAY NIGHT...Mostly clear. Lows 67 to 73. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 88 to 98. Lows 68 to 74. .THURSDAY NIGHT...Partly cloudy. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 88 to 98. $$ AZZ512-230200- Chiricahua Mountains- Including Chiricahua N.M. 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. Highs 87 to 97. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 63 to 69. .SUNDAY...Mostly sunny. Highs 87 to 95. .SUNDAY NIGHT...Mostly cloudy. Lows 62 to 68. .MONDAY...Partly cloudy. Highs 86 to 96. .MONDAY NIGHT...Partly cloudy. Lows 63 to 69. .TUESDAY...Mostly sunny. Highs 88 to 98. .TUESDAY NIGHT...Mostly clear. Lows 65 to 71. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 88 to 98. Lows 65 to 71. .THURSDAY NIGHT...Partly cloudy. Lows 65 to 71. .FRIDAY...Mostly sunny. Highs 89 to 99. $$ AZZ513-230200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. 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 65 to 70. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 87 to 95. .SUNDAY NIGHT...Mostly cloudy. Lows 64 to 69. .MONDAY...Partly cloudy. Highs 86 to 94. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 70. .TUESDAY...Mostly sunny. Highs 89 to 97. .TUESDAY NIGHT...Mostly clear. Lows 66 to 71. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 90 to 98. Lows 67 to 72. .THURSDAY NIGHT...Partly cloudy. Lows 67 to 72. .FRIDAY...Mostly sunny. Highs 91 to 99. $$ AZZ514-230200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 67 to 73. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 82 to 92. .SUNDAY NIGHT...Mostly cloudy. Lows 65 to 71. .MONDAY...Partly cloudy. Highs 81 to 91. .MONDAY NIGHT...Partly cloudy. Lows 66 to 72. .TUESDAY...Mostly sunny. Highs 83 to 93. .TUESDAY NIGHT...Mostly clear. Lows 67 to 73. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 95. Lows 68 to 74. .THURSDAY NIGHT...Partly cloudy. Lows 68 to 74. .FRIDAY...Mostly sunny. Highs 85 to 95. $$ AZZ515-230200- Baboquivari Mountains- Including Kitt Peak 1034 AM MST Sat Aug 22 2026 .REST OF TODAY...Sunny late 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. .SUNDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. 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 88 to 94. .MONDAY NIGHT...Partly cloudy. Lows 71 to 76. .TUESDAY...Mostly sunny. Highs 91 to 97. .TUESDAY NIGHT...Mostly clear. Lows 72 to 77. .WEDNESDAY...Mostly sunny. Highs 92 to 98. .WEDNESDAY NIGHT...Mostly clear with a 10 percent chance of showers and thunderstorms. Lows 73 to 78. .THURSDAY...Mostly sunny. Highs 92 to 98. .THURSDAY NIGHT...Partly cloudy. Lows 73 to 78. .FRIDAY...Mostly sunny. Highs 93 to 99. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson