FPUS55 KTWC 180913 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 AM MST Sat Apr 18 2026 AZZ501-190200- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 88 to 93. .TONIGHT...Mostly clear. Lows 58 to 64. .SUNDAY...Partly cloudy. Highs 91 to 96. .SUNDAY NIGHT...Mostly clear. Lows 59 to 64. .MONDAY...Sunny. Highs 90 to 95. .MONDAY NIGHT...Partly cloudy. Lows 60 to 65. .TUESDAY...Mostly sunny. Highs 89 to 94. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 56 to 61. Highs 83 to 88. .WEDNESDAY NIGHT...Partly cloudy. Lows 52 to 57. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 83 to 90. Lows 53 to 58. $$ AZZ502-190200- Tohono O'odham Nation- Including Sells 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 86 to 91. .TONIGHT...Mostly clear. Lows 57 to 63. .SUNDAY...Partly cloudy in the morning then becoming mostly cloudy. Highs 88 to 93. .SUNDAY NIGHT...Partly cloudy. Lows 57 to 63. .MONDAY...Sunny. Highs 88 to 93. .MONDAY NIGHT...Partly cloudy. Lows 59 to 64. .TUESDAY...Mostly sunny. Highs 88 to 93. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 56 to 61. Highs 83 to 88. .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 56. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 80 to 88. Lows 51 to 57. $$ AZZ503-190200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 81 to 87. .TONIGHT...Mostly clear. Lows 52 to 58. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a 10 percent chance of showers in the afternoon. Highs 82 to 88. .SUNDAY NIGHT...Mostly clear. Lows 48 to 54. .MONDAY...Sunny. Highs 82 to 88. .MONDAY NIGHT...Partly cloudy. Lows 51 to 57. .TUESDAY...Mostly sunny. Highs 82 to 88. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 49 to 55. Highs 80 to 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 50. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 78 to 84. Lows 44 to 50. $$ AZZ504-190200- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 84 to 90. East wind around 10 mph. .TONIGHT...Mostly clear. Lows 57 to 63. Northeast wind 5 to 10 mph becoming southeast 10 to 15 mph after midnight. .SUNDAY...Breezy. Partly cloudy in the morning then becoming mostly cloudy. Patchy blowing dust. Highs 85 to 91. Southeast wind 15 to 25 mph with gusts to around 40 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 61. Southeast wind 5 to 15 mph. .MONDAY...Sunny. Highs 86 to 92. Southeast wind around 10 mph becoming southwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 56 to 62. .TUESDAY...Mostly sunny. Highs 87 to 93. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 83 to 89. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 79 to 87. Lows 49 to 55. $$ AZZ505-190200- South Central Pinal County- Including Picacho Peak State Park 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 85 to 90. .TONIGHT...Mostly clear. Lows 57 to 63. .SUNDAY...Breezy. Partly cloudy. Areas of blowing dust in the morning. Patchy blowing dust in the afternoon. Highs 88 to 93. Southeast wind 15 to 25 mph with gusts to around 40 mph. .SUNDAY NIGHT...Partly cloudy. Lows 58 to 64. .MONDAY...Sunny. Highs 88 to 93. .MONDAY NIGHT...Mostly clear. Lows 59 to 64. .TUESDAY...Mostly sunny. Highs 89 to 94. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 55 to 60. Highs 83 to 88. .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 56. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 80 to 87. Lows 51 to 57. $$ AZZ506-190200- Southeast Pinal County- Including Mammoth and Oracle 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 82 to 88. .TONIGHT...Mostly clear. Lows 57 to 62. .SUNDAY...Breezy. Partly cloudy. Patchy blowing dust. Highs 82 to 88. Southeast wind 15 to 25 mph with gusts to around 45 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 56 to 62. .MONDAY...Sunny. Highs 84 to 90. .MONDAY NIGHT...Mostly clear. Lows 57 to 62. .TUESDAY...Mostly sunny. Highs 85 to 91. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 80 to 86. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 49 to 55. Highs 76 to 85. $$ AZZ507-190200- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 79 to 84. .TONIGHT...Mostly clear. Lows 50 to 55. .SUNDAY...Breezy. Partly cloudy. Patchy blowing dust through the day. A 10 percent chance of showers in the afternoon. Highs 78 to 83. East wind 15 to 25 mph. .SUNDAY NIGHT...Partly cloudy. Lows 46 to 52. .MONDAY...Sunny. Highs 81 to 86. .MONDAY NIGHT...Partly cloudy. Lows 49 to 55. .TUESDAY...Mostly sunny. Highs 82 to 87. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 48 to 53. Highs 79 to 84. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 49. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 76 to 82. Lows 42 to 48. $$ AZZ508-190200- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 78 to 83. .TONIGHT...Breezy. Mostly clear. Lows 49 to 55. East wind 15 to 25 mph after midnight. .SUNDAY...Breezy. Partly cloudy. Patchy blowing dust. Highs 75 to 80. East wind 15 to 25 mph with gusts to around 45 mph. .SUNDAY NIGHT...Partly cloudy. Lows 45 to 51. .MONDAY...Mostly sunny. Highs 80 to 85. .MONDAY NIGHT...Partly cloudy. Lows 49 to 55. .TUESDAY...Mostly sunny. Highs 83 to 88. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 48 to 54. Highs 81 to 86. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 50. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 77 to 83. Lows 42 to 48. $$ AZZ509-190200- Upper Gila River Valley- Including Clifton and Safford 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 77 to 83. .TONIGHT...Breezy. Mostly clear. Lows 51 to 57. East wind 15 to 25 mph after midnight. .SUNDAY...Windy. Partly cloudy. Areas of blowing dust in the morning. Patchy blowing dust in the afternoon. Highs 75 to 81. Southeast wind 20 to 30 mph with gusts to around 45 mph. .SUNDAY NIGHT...Breezy. Partly cloudy. Patchy blowing dust. Lows 50 to 58. Southeast wind 15 to 25 mph in the evening. .MONDAY...Mostly sunny. Highs 80 to 86. .MONDAY NIGHT...Mostly clear. Lows 52 to 58. .TUESDAY...Mostly sunny. Highs 82 to 90. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 50 to 56. Highs 79 to 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 52. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 83. Lows 44 to 50. $$ AZZ510-190200- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 65 to 75. .TONIGHT...Mostly clear. Lows 39 to 51. .SUNDAY...Breezy. Partly cloudy in the morning then becoming mostly cloudy. Highs 64 to 72. Southeast wind 15 to 25 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 42 to 52. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Highs 67 to 77. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly clear. Lows 44 to 54. .TUESDAY...Mostly sunny. Highs 70 to 80. .TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 37 to 52. Highs 63 to 76. $$ AZZ511-190200- Galiuro and Pinaleno Mountains- Including Mount Graham 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 67 to 77. .TONIGHT...Windy. Mostly clear. Lows 47 to 53. East wind 20 to 30 mph with gusts to around 45 mph after midnight. .SUNDAY...Windy. Partly cloudy. Highs 64 to 74. East wind 25 to 35 mph. Gusts up to 55 mph decreasing to 45 mph in the afternoon. .SUNDAY NIGHT...Breezy. Partly cloudy. Lows 46 to 54. East wind 15 to 25 mph. .MONDAY...Mostly sunny. Highs 69 to 79. .MONDAY NIGHT...Mostly clear. Lows 50 to 56. .TUESDAY...Mostly sunny. Highs 71 to 81. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 48 to 54. Highs 67 to 77. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 43 to 49. Highs 63 to 75. $$ AZZ512-190200- Chiricahua Mountains- Including Chiricahua N.M. 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 68 to 76. .TONIGHT...Breezy. Mostly clear. Lows 45 to 53. East wind 15 to 25 mph after midnight. .SUNDAY...Windy. Partly cloudy. Highs 64 to 74. East wind 20 to 30 mph with gusts to around 45 mph. .SUNDAY NIGHT...Mostly clear. Lows 43 to 49. .MONDAY...Mostly sunny. Highs 71 to 79. .MONDAY NIGHT...Partly cloudy. Lows 49 to 55. .TUESDAY...Mostly sunny. Highs 73 to 81. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 47 to 53. Highs 72 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 43 to 49. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 69 to 78. Lows 42 to 48. $$ AZZ513-190200- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 AM MST Sat Apr 18 2026 .TODAY...Sunny. Highs 73 to 79. .TONIGHT...Breezy. Mostly clear. Lows 50 to 55. East wind 15 to 25 mph after midnight. .SUNDAY...Breezy. Partly cloudy. A 10 percent chance of showers in the afternoon. Highs 72 to 80. Southeast wind 15 to 25 mph with gusts to around 40 mph. .SUNDAY NIGHT...Mostly clear. Lows 47 to 52. .MONDAY...Sunny. Highs 75 to 81. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. .TUESDAY...Mostly sunny. Highs 76 to 82. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 48 to 53. Highs 73 to 79. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 49. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 71 to 78. Lows 44 to 49. $$ AZZ514-190200- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 AM MST Sat Apr 18 2026 .TODAY...Sunny, warmer. Highs 67 to 77. .TONIGHT...Mostly clear. Lows 51 to 57. .SUNDAY...Breezy. Partly cloudy. Highs 67 to 77. East wind 15 to 25 mph with gusts to around 40 mph. .SUNDAY NIGHT...Partly cloudy. Lows 49 to 55. .MONDAY...Sunny. Highs 68 to 80. .MONDAY NIGHT...Mostly clear. Lows 51 to 57. .TUESDAY...Mostly sunny. Highs 69 to 81. .TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 44 to 54. Highs 63 to 78. $$ AZZ515-190200- Baboquivari Mountains- Including Kitt Peak 212 AM MST Sat Apr 18 2026 .TODAY...Sunny, warmer. Highs 76 to 82. .TONIGHT...Mostly clear. Lows 56 to 61. .SUNDAY...Partly cloudy in the morning then becoming mostly cloudy. Highs 77 to 83. .SUNDAY NIGHT...Mostly clear. Lows 54 to 59. .MONDAY...Sunny. Highs 77 to 83. .MONDAY NIGHT...Partly cloudy. Lows 56 to 61. .TUESDAY...Mostly sunny. Highs 77 to 83. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 53 to 58. Highs 73 to 79. .WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 53. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 70 to 78. Lows 49 to 54. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson