| NWS Forecast for: Upper Santa Cruz River and Altar Valleys including Nogales Issued by: National Weather Service Tucson, AZ Last Update: 1139 PM MST Tue Sep 22 2026 |  |
| Rest Of Tonight: Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 62 to 67. Wednesday: Mostly cloudy. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs 83 to 88. Chance of precipitation 30 percent. Wednesday Night: Mostly cloudy with slight chance of showers and thunderstorms in the evening, then partly cloudy with slight chance of showers after midnight. Lows 59 to 65. Chance of precipitation 20 percent. Thursday: Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 85 to 90. Thursday Night: Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 59 to 65. Friday: Mostly sunny. Highs 87 to 92. Friday Night: Mostly clear. Lows 62 to 68. Saturday: Mostly sunny. Highs 89 to 94. Saturday Night: Partly cloudy with a 10 percent chance of showers. Lows 64 to 69. Sunday: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 87 to 92. Sunday Night: Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows 64 to 69. Chance of precipitation 30 percent. Monday: Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs 83 to 88. Monday Night And Tuesday: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 61 to 66. 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 |