Expires:202512260200;;192205 FPUS55 KTWC 251014 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 314 AM MST Thu Dec 25 2025 AZZ503-260200- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 314 AM MST Thu Dec 25 2025 .TODAY...Mostly cloudy with a 40 percent chance of showers in the morning, then mostly sunny in the afternoon. Highs 70 to 75. .TONIGHT...Clear. Lows 44 to 50. .FRIDAY...Mostly sunny in the morning then becoming partly cloudy. Highs 70 to 75. .FRIDAY NIGHT...Mostly cloudy. Lows 46 to 52. .SATURDAY...Mostly cloudy with a 20 percent chance of showers. Highs 62 to 67. .SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of showers. Lows 35 to 41. .SUNDAY...Partly cloudy. Highs 60 to 65. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 35 to 44. Highs 62 to 68. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 64 to 70. Lows 38 to 46. .WEDNESDAY...Mostly cloudy with a 20 percent chance of showers. Highs 69 to 74. $$