| NWS Forecast for: Upper Santa Cruz River and Altar Valleys including Nogales Issued by: National Weather Service Tucson, AZ Last Update: 1139 AM MST Wed Sep 23 2026 | |
| Rest Of Today: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs 83 to 88. Tonight: Mostly cloudy with chance of showers and thunderstorms in the evening, then partly cloudy with slight chance of showers and thunderstorms after midnight. Lows 59 to 65. Chance of precipitation 30 percent. Thursday: Partly cloudy. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Highs 84 to 89. Chance of precipitation 10 percent. Thursday Night: Partly cloudy. Lows 59 to 65. Friday: Mostly sunny. Highs 86 to 91. Friday Night: Mostly clear. Lows 62 to 68. Saturday: Mostly sunny. Highs 89 to 94. Saturday Night: Partly cloudy. Lows 64 to 70. Sunday: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 88 to 93. Sunday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 65 to 70. Monday And Monday Night: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs 84 to 89. Lows 62 to 67. Tuesday: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs 82 to 87. | |
| Zone Forecast: Upper Santa Cruz River and Altar Valleys including Nogales | |
Visit your local NWS office at: https://www.weather.gov/twc |