| NWS Forecast for: Upper Santa Cruz River and Altar Valleys including Nogales Issued by: National Weather Service Tucson, AZ Last Update: 1140 AM MST Sun May 10 2026 |  |
| Rest Of Today: Sunny. Highs 92 to 98. Tonight: Clear. Lows 59 to 65. Monday: Mostly sunny. Highs 94 to 100. Monday Night: Partly cloudy. Lows 61 to 69. Tuesday: Mostly sunny. Highs 92 to 98. Tuesday Night: Partly cloudy. Lows 61 to 67. Wednesday: Partly cloudy. Highs 89 to 95. Wednesday Night: Partly cloudy. Lows 57 to 63. Thursday: Mostly sunny. Highs 87 to 93. Thursday Night Through Saturday: Clear. Lows 53 to 61. Highs 86 to 93. | |
| Zone Forecast: Upper Santa Cruz River and Altar Valleys including Nogales | |
Visit your local NWS office at: https://www.weather.gov/twc |