FPUS55 KTWC 211839 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 1139 AM MST Tue Apr 21 2026 AZZ501-220200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 87 to 92. .TONIGHT...Mostly clear. Lows 54 to 59. .WEDNESDAY...Mostly sunny. Highs 83 to 88. .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 58. .THURSDAY...Partly cloudy. Highs 84 to 89. .THURSDAY NIGHT...Mostly clear. Lows 54 to 59. .FRIDAY...Mostly sunny. Highs 87 to 92. .FRIDAY NIGHT...Partly cloudy. Lows 58 to 63. .SATURDAY...Mostly cloudy. Highs 82 to 87. .SATURDAY NIGHT...Mostly clear. Lows 51 to 56. .SUNDAY AND SUNDAY NIGHT...Clear. Highs 78 to 83. Lows 51 to 56. .MONDAY...Mostly sunny. Highs 84 to 89. $$ AZZ502-220200- Tohono O'odham Nation- Including Sells 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 86 to 91. .TONIGHT...Mostly clear. Lows 53 to 58. .WEDNESDAY...Mostly sunny. Highs 82 to 87. .WEDNESDAY NIGHT...Mostly clear. Lows 52 to 58. .THURSDAY...Partly cloudy. Highs 82 to 87. .THURSDAY NIGHT...Mostly clear. Lows 52 to 58. .FRIDAY...Mostly sunny. Highs 85 to 90. .FRIDAY NIGHT...Partly cloudy. Lows 56 to 62. .SATURDAY...Partly cloudy. Highs 80 to 85. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 51 to 56. Highs 76 to 81. .SUNDAY NIGHT...Clear. Lows 49 to 55. .MONDAY...Mostly sunny. Highs 82 to 87. $$ AZZ503-220200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 81 to 87. .TONIGHT...Mostly clear. Lows 47 to 53. .WEDNESDAY...Mostly sunny. Highs 80 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 51. .THURSDAY...Partly cloudy. Highs 78 to 83. .THURSDAY NIGHT...Mostly clear. Lows 45 to 51. .FRIDAY...Mostly sunny. Highs 80 to 86. .FRIDAY NIGHT...Mostly clear. Lows 48 to 54. .SATURDAY...Windy. Partly cloudy. Highs 78 to 83. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Breezy. Mostly clear. Lows 42 to 52. Highs 74 to 79. .MONDAY...Mostly sunny. Highs 80 to 85. $$ AZZ504-220200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 85 to 91. Southwest wind 10 to 15 mph. .TONIGHT...Mostly clear. Lows 52 to 57. Southwest wind 10 to 15 mph becoming south after midnight. .WEDNESDAY...Mostly sunny. Highs 82 to 88. South wind around 10 mph becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 56. West wind 10 to 15 mph becoming southwest after midnight. .THURSDAY...Mostly sunny. Highs 80 to 86. South wind around 10 mph becoming west in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 50 to 56. .FRIDAY...Mostly sunny. Highs 83 to 89. .FRIDAY NIGHT...Partly cloudy. Lows 53 to 59. .SATURDAY...Breezy. Partly cloudy. Highs 81 to 87. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 51 to 56. Highs 76 to 82. .SUNDAY NIGHT...Clear. Lows 47 to 53. .MONDAY...Mostly sunny. Highs 81 to 87. $$ AZZ505-220200- South Central Pinal County- Including Picacho Peak State Park 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 87 to 92. .TONIGHT...Mostly clear. Lows 53 to 58. .WEDNESDAY...Mostly sunny. Highs 82 to 87. .WEDNESDAY NIGHT...Mostly clear. Lows 52 to 57. .THURSDAY...Mostly sunny. Highs 81 to 86. .THURSDAY NIGHT...Mostly clear. Lows 51 to 57. .FRIDAY...Mostly sunny. Highs 84 to 89. .FRIDAY NIGHT...Partly cloudy. Lows 55 to 60. .SATURDAY AND SATURDAY NIGHT...Breezy. Partly cloudy. Highs 81 to 86. Lows 52 to 57. .SUNDAY...Mostly sunny. Highs 76 to 81. .SUNDAY NIGHT AND MONDAY...Clear. Lows 49 to 54. Highs 82 to 87. $$ AZZ506-220200- Southeast Pinal County- Including Mammoth and Oracle 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 84 to 90. .TONIGHT...Mostly clear. Lows 52 to 57. .WEDNESDAY...Mostly sunny. Highs 80 to 86. .WEDNESDAY NIGHT...Mostly clear. Lows 51 to 56. .THURSDAY...Mostly sunny. Highs 77 to 83. .THURSDAY NIGHT...Mostly clear. Lows 51 to 56. .FRIDAY...Mostly sunny. Highs 81 to 87. .FRIDAY NIGHT...Partly cloudy. Lows 53 to 58. .SATURDAY AND SATURDAY NIGHT...Breezy. Partly cloudy. Highs 79 to 85. Lows 50 to 55. .SUNDAY...Mostly sunny. Highs 73 to 79. .SUNDAY NIGHT AND MONDAY...Clear. Lows 47 to 52. Highs 79 to 85. $$ AZZ507-220200- Upper San Pedro River Valley- Including Sierra Vista and Benson 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 81 to 86. .TONIGHT...Mostly clear. Lows 47 to 52. .WEDNESDAY...Mostly sunny. Highs 79 to 84. .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 49. .THURSDAY...Mostly sunny. Highs 77 to 82. .THURSDAY NIGHT...Mostly clear. Lows 44 to 50. .FRIDAY...Mostly sunny. Highs 79 to 84. .FRIDAY NIGHT...Mostly clear. Lows 46 to 52. .SATURDAY...Partly cloudy. Highs 78 to 83. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 51. Highs 73 to 78. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 40 to 46. Highs 78 to 83. $$ AZZ508-220200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 82 to 87. .TONIGHT...Mostly clear. Lows 47 to 53. .WEDNESDAY...Mostly sunny. Highs 81 to 86. .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 50. .THURSDAY...Mostly sunny. Highs 78 to 83. .THURSDAY NIGHT...Mostly clear. Lows 43 to 49. .FRIDAY...Mostly sunny. Highs 80 to 85. .FRIDAY NIGHT...Partly cloudy. Lows 46 to 52. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 79 to 84. Lows 46 to 52. .SUNDAY THROUGH MONDAY...Breezy. Mostly clear. Highs 76 to 84. Lows 41 to 47. $$ AZZ509-220200- Upper Gila River Valley- Including Clifton and Safford 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 81 to 89. .TONIGHT...Mostly clear. Lows 50 to 56. .WEDNESDAY...Mostly sunny. Highs 78 to 86. .WEDNESDAY NIGHT...Mostly clear. Lows 47 to 53. .THURSDAY...Mostly sunny. Highs 75 to 83. .THURSDAY NIGHT...Mostly clear. Lows 46 to 52. .FRIDAY...Mostly sunny. Highs 78 to 84. .FRIDAY NIGHT...Partly cloudy. Lows 48 to 54. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 76 to 84. Lows 47 to 53. .SUNDAY...Mostly sunny. Highs 72 to 80. .SUNDAY NIGHT AND MONDAY...Clear. Lows 43 to 49. Highs 77 to 83. $$ AZZ510-220200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 69 to 79. .TONIGHT...Mostly clear. Lows 41 to 51. .WEDNESDAY...Mostly sunny. Highs 65 to 75. .WEDNESDAY NIGHT...Mostly clear. Lows 38 to 48. .THURSDAY...Mostly sunny. Highs 63 to 73. .THURSDAY NIGHT...Mostly clear. Lows 36 to 48. .FRIDAY...Mostly sunny. Highs 65 to 75. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 50. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 64 to 74. Lows 39 to 49. .SUNDAY...Mostly sunny. Highs 60 to 70. .SUNDAY NIGHT AND MONDAY...Clear. Lows 33 to 45. Highs 65 to 73. $$ AZZ511-220200- Galiuro and Pinaleno Mountains- Including Mount Graham 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 70 to 80. .TONIGHT...Mostly clear. Lows 46 to 52. .WEDNESDAY...Mostly sunny. Highs 67 to 77. .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 50. .THURSDAY...Mostly sunny. Highs 64 to 74. .THURSDAY NIGHT...Mostly clear. Lows 44 to 50. .FRIDAY...Mostly sunny. Highs 67 to 77. .FRIDAY NIGHT...Partly cloudy. Lows 46 to 52. .SATURDAY...Partly cloudy. Highs 65 to 75. .SATURDAY NIGHT AND SUNDAY...Breezy. Mostly clear. Lows 44 to 50. Highs 61 to 71. .SUNDAY NIGHT AND MONDAY...Clear. Lows 40 to 46. Highs 66 to 76. $$ AZZ512-220200- Chiricahua Mountains- Including Chiricahua N.M. 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 72 to 80. .TONIGHT...Mostly clear. Lows 46 to 52. .WEDNESDAY...Mostly sunny. Highs 72 to 80. .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 49. .THURSDAY...Mostly sunny. Highs 69 to 77. .THURSDAY NIGHT...Mostly clear. Lows 43 to 49. .FRIDAY...Mostly sunny. Highs 71 to 79. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 51. .SATURDAY THROUGH SUNDAY...Breezy. Mostly clear. Highs 68 to 79. Lows 45 to 51. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 40 to 46. Highs 70 to 78. $$ AZZ513-220200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Mostly sunny. Highs 75 to 81. .TONIGHT...Mostly clear. Lows 47 to 52. .WEDNESDAY...Mostly sunny. Highs 74 to 80. .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 49. .THURSDAY...Partly cloudy. Highs 72 to 78. .THURSDAY NIGHT...Mostly clear. Lows 45 to 50. .FRIDAY...Mostly sunny. Highs 74 to 80. .FRIDAY NIGHT...Mostly clear. Lows 46 to 51. .SATURDAY...Breezy. Partly cloudy. Highs 72 to 78. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Breezy. Mostly clear. Lows 41 to 50. Highs 68 to 74. .MONDAY...Mostly sunny. Highs 73 to 79. $$ AZZ514-220200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 68 to 80. .TONIGHT...Mostly clear. Lows 47 to 53. .WEDNESDAY...Mostly sunny. Highs 65 to 77. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 51. .THURSDAY...Mostly sunny. Highs 62 to 74. .THURSDAY NIGHT...Mostly clear. Lows 46 to 52. .FRIDAY...Mostly sunny. Highs 65 to 77. .FRIDAY NIGHT...Mostly clear. Lows 47 to 53. .SATURDAY...Partly cloudy. Highs 64 to 76. .SATURDAY NIGHT AND SUNDAY...Windy. Mostly clear. Lows 45 to 51. Highs 60 to 70. .SUNDAY NIGHT AND MONDAY...Clear. Lows 42 to 48. Highs 64 to 76. $$ AZZ515-220200- Baboquivari Mountains- Including Kitt Peak 1139 AM MST Tue Apr 21 2026 .REST OF TODAY...Sunny. Highs 75 to 81. .TONIGHT...Partly cloudy. Lows 49 to 54. .WEDNESDAY...Mostly sunny. Highs 73 to 79. .WEDNESDAY NIGHT...Mostly clear. Lows 49 to 54. .THURSDAY...Partly cloudy. Highs 71 to 77. .THURSDAY NIGHT...Mostly clear. Lows 50 to 55. .FRIDAY...Mostly sunny. Highs 74 to 80. .FRIDAY NIGHT...Partly cloudy. Lows 54 to 59. .SATURDAY...Windy. Partly cloudy. Highs 71 to 77. .SATURDAY NIGHT AND SUNDAY...Windy. Mostly clear. Lows 49 to 54. Highs 66 to 72. .SUNDAY NIGHT...Clear. Lows 47 to 52. .MONDAY...Mostly sunny. Highs 73 to 79. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson