Zone Forecast Product
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
481 FPUS55 KTWC 180913 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 AM MST Tue Aug 18 2026 AZZ501-190200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. Highs 106 to 111. .TONIGHT...Partly cloudy. Lows 82 to 87. .WEDNESDAY...Mostly sunny. Highs 104 to 109. .WEDNESDAY NIGHT...Partly cloudy. Patchy blowing dust. Lows 81 to 86. Gusts up to 35 mph in the evening. .THURSDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 105 to 110. .THURSDAY NIGHT...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows 82 to 87. Chance of precipitation 30 percent. .FRIDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 105 to 111. .FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 83 to 88. Highs 106 to 111. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 80 to 88. Highs 103 to 108. .MONDAY...Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 102 to 107. $$ AZZ502-190200- Tohono O`odham Nation- Including Sells 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. Highs 103 to 108. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 79 to 84. .WEDNESDAY...Mostly sunny. Highs 102 to 107. .WEDNESDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Patchy blowing dust. Lows 78 to 83. .THURSDAY...Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 101 to 106. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 77 to 82. .FRIDAY...Mostly sunny. Highs 102 to 107. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 78 to 83. .SATURDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 102 to 107. .SATURDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 78 to 83. .SUNDAY...Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 100 to 105. .SUNDAY NIGHT AND MONDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 77 to 82. Highs 99 to 104. $$ AZZ503-190200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 AM MST Tue Aug 18 2026 .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 94 to 100. .TONIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 68 to 74. .WEDNESDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Highs 94 to 100. .WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows 68 to 74. .THURSDAY...Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs 95 to 100. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows 67 to 73. .FRIDAY...Partly cloudy. Highs 95 to 101. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 68 to 74. .SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 95 to 100. Lows 68 to 74. .SUNDAY THROUGH MONDAY...Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs 93 to 99. Lows 67 to 73. $$ AZZ504-190200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 99 to 105. Southeast wind around 10 mph. .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 75 to 81. South wind around 10 mph. .WEDNESDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 99 to 105. South wind around 10 mph becoming northwest in the afternoon. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Patchy blowing dust. Lows 74 to 82. South wind 5 to 15 mph. .THURSDAY...Mostly sunny. Highs 99 to 105. Southwest wind around 5 mph becoming northwest in the afternoon. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 73 to 79. .FRIDAY...Mostly sunny. Highs 100 to 106. .FRIDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 74 to 80. .SATURDAY...Partly cloudy. Highs 100 to 106. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 74 to 80. .SUNDAY...Partly cloudy. Highs 98 to 104. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 73 to 79. .MONDAY...Partly cloudy. Highs 97 to 103. $$ AZZ505-190200- South Central Pinal County- Including Picacho Peak State Park 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. Highs 102 to 107. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 80 to 85. .WEDNESDAY...Mostly sunny. Highs 101 to 106. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Patchy blowing dust. Lows 80 to 85. Gusts up to 35 mph in the evening. .THURSDAY...Mostly sunny. Highs 101 to 106. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 77 to 82. .FRIDAY...Mostly sunny. Highs 103 to 108. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 78 to 83. .SATURDAY...Partly cloudy. Highs 102 to 107. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 77 to 83. Highs 99 to 106. $$ AZZ506-190200- Southeast Pinal County- Including Mammoth and Oracle 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 99 to 105. .TONIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 76 to 81. .WEDNESDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 99 to 105. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Patchy blowing dust. Lows 76 to 81. .THURSDAY...Mostly sunny. Highs 99 to 105. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 74 to 79. .FRIDAY...Partly cloudy. Highs 101 to 107. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 75 to 80. .SATURDAY...Partly cloudy. Highs 100 to 106. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 75 to 80. Highs 98 to 104. .MONDAY...Partly cloudy. Highs 97 to 103. $$ AZZ507-190200- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny. Highs 92 to 98. .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 66 to 72. .WEDNESDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 93 to 99. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 67 to 73. .THURSDAY...Partly cloudy. Highs 93 to 99. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 66 to 72. .FRIDAY...Mostly sunny. Highs 95 to 101. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .SATURDAY...Mostly sunny. Highs 95 to 101. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 67 to 73. .SUNDAY...Partly cloudy. Highs 93 to 99. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 66 to 72. .MONDAY...Partly cloudy. Highs 92 to 98. $$ AZZ508-190200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny. Highs 93 to 98. .TONIGHT...Mostly clear. Lows 67 to 72. .WEDNESDAY...Mostly sunny. Highs 95 to 100. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 73. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 97 to 102. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 67 to 72. .FRIDAY...Mostly sunny. Highs 97 to 102. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 69 to 74. .SATURDAY...Mostly sunny. Highs 97 to 102. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 68 to 73. .SUNDAY...Mostly sunny. Highs 96 to 101. .SUNDAY NIGHT...Partly cloudy. Lows 67 to 72. .MONDAY...Mostly sunny. Highs 95 to 100. $$ AZZ509-190200- Upper Gila River Valley- Including Clifton and Safford 212 AM MST Tue Aug 18 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Mostly sunny. Highs 94 to 102. .TONIGHT...Partly cloudy. Lows 70 to 78. .WEDNESDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Patchy blowing dust in the afternoon. Highs 96 to 104. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 70 to 78. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 97 to 105. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 69 to 77. .FRIDAY...Mostly sunny. Highs 97 to 105. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 78. .SATURDAY...Mostly sunny. Highs 97 to 105. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 70 to 78. .SUNDAY...Partly cloudy. Highs 96 to 104. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 69 to 77. .MONDAY...Partly cloudy. Highs 95 to 103. $$ AZZ510-190200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny in the morning, then partly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs 82 to 92. .TONIGHT...Partly cloudy. Lows 60 to 70. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 60 to 70. .THURSDAY...Showers likely and chance of thunderstorms. Highs 85 to 95. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 59 to 69. .FRIDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 85 to 95. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 60 to 70. .SATURDAY...Partly cloudy. Highs 85 to 95. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 59 to 71. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 84 to 94. Lows 59 to 71. $$ AZZ511-190200- Galiuro and Pinaleno Mountains- Including Mount Graham 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny. Highs 83 to 93. .TONIGHT...Partly cloudy. Lows 66 to 72. .WEDNESDAY...Partly cloudy in the morning, then a 20 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .WEDNESDAY NIGHT...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 66 to 72. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 84 to 94. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 64 to 70. .FRIDAY...Partly cloudy. Highs 85 to 95. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 71. .SATURDAY...Mostly sunny. Highs 85 to 95. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 71. .SUNDAY...Partly cloudy. Highs 84 to 94. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 71. .MONDAY...Partly cloudy. Highs 83 to 93. $$ AZZ512-190200- Chiricahua Mountains- Including Chiricahua N.M. 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny. Highs 82 to 92. .TONIGHT...Mostly clear. Lows 62 to 68. .WEDNESDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 63 to 69. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 86 to 96. .THURSDAY NIGHT...Mostly cloudy. Lows 62 to 68. .FRIDAY...Mostly sunny. Highs 86 to 96. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 64 to 70. .SATURDAY...Mostly sunny. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 63 to 69. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 84 to 95. Lows 62 to 68. $$ AZZ513-190200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 AM MST Tue Aug 18 2026 .TODAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 85 to 93. .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 64 to 69. .WEDNESDAY...Mostly sunny. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 86 to 94. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 64 to 69. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 87 to 95. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 64 to 69. .FRIDAY...Partly cloudy. Highs 88 to 96. .FRIDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 65 to 70. .SATURDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 88 to 96. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 70. .SUNDAY THROUGH MONDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 85 to 94. Lows 64 to 69. $$ AZZ514-190200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 AM MST Tue Aug 18 2026 .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 82 to 90. .TONIGHT...Mostly clear. A 10 percent chance of showers and thunderstorms in the evening. Lows 66 to 72. .WEDNESDAY...Partly cloudy in the morning, then a 10 percent chance of showers and thunderstorms in the afternoon. Highs 82 to 90. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 66 to 72. .THURSDAY...Mostly sunny. Highs 82 to 90. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 64 to 70. .FRIDAY...Partly cloudy. Highs 84 to 92. .FRIDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 65 to 71. .SATURDAY...Partly cloudy. Highs 83 to 91. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 65 to 71. .SUNDAY...Partly cloudy. Highs 82 to 90. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 64 to 70. .MONDAY...Partly cloudy. Highs 80 to 88. $$ AZZ515-190200- Baboquivari Mountains- Including Kitt Peak 212 AM MST Tue Aug 18 2026 .TODAY...Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 90 to 96. .TONIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 70 to 75. .WEDNESDAY...Partly cloudy in the morning, then a 30 percent chance of showers and thunderstorms in the afternoon. Highs 89 to 95. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows 70 to 75. .THURSDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 89 to 95. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows 70 to 75. .FRIDAY...Partly cloudy. Highs 90 to 96. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 71 to 76. .SATURDAY THROUGH MONDAY...Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 87 to 96. Lows 70 to 76. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson