| NWS Forecast for: Upper Santa Cruz River and Altar Valleys including Nogales Issued by: National Weather Service Tucson, AZ Last Update: 148 AM MST Tue Sep 2 2025 |  |
| Today: Mostly sunny with slight chance of showers and thunderstorms in the morning, then mostly cloudy with chance of showers and thunderstorms in the afternoon. Highs 89 to 95. Chance of precipitation 40 percent. Tonight: Mostly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Lows 64 to 70. Chance of precipitation 40 percent. Wednesday: Partly cloudy with slight chance of showers and thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs 86 to 92. Chance of precipitation 60 percent. Wednesday Night: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 65 to 70. Thursday: Showers likely and chance of thunderstorms. Highs 82 to 88. Chance of precipitation 70 percent. Thursday Night: Showers likely and chance of thunderstorms. Lows 62 to 67. Chance of precipitation 70 percent. Friday: Showers likely and chance of thunderstorms. Highs 76 to 82. Chance of precipitation 70 percent. Friday Night: Showers likely and chance of thunderstorms. Lows 61 to 66. Chance of precipitation 60 percent. Saturday: Showers likely and chance of thunderstorms. Highs 79 to 85. Chance of precipitation 70 percent. Saturday Night: Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows 61 to 67. Sunday: Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 83 to 89. Sunday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 61 to 67. Monday: Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 85 to 91. | |
| Zone Forecast: Upper Santa Cruz River and Altar Valleys including Nogales | |
Visit your local NWS office at: https://www.weather.gov/twc |