Tucson, Arizona – Arizona residents should brace for searing heat Sunday into Monday as temperatures climb dangerously close to record-breaking highs. The National Weather Service has issued an Extreme Heat Warning for Tucson and surrounding areas, with a peak of 111°F expected Monday.
According to the National Weather Service in Tucson, the warning remains in effect from 10 a.m. to 8 p.m. MST Monday, covering the Tucson Metro Area, Tohono O’odham Nation, and South-Central Pinal County. Cities like Vail, Marana, and Safford are also under the advisory. Heat-related illnesses are more likely during prolonged exposure, especially for those working or exercising outdoors.
Drivers on I-10 through Tucson are urged to avoid travel during peak heat hours. The Occupational Safety and Health Administration advises limiting outdoor labor and taking frequent shaded breaks. Signs of heat stroke include confusion, dizziness, and dry skin. Call 911 immediately if symptoms occur.
Sunday’s high will hit 109°F under sunny skies, with minimal overnight cooling. Monday brings the week’s peak heat, followed by a chance of thunderstorms Monday night through Thursday, offering some relief. However, Tuesday still reaches 102°F, and Wednesday remains near 96°F.
Looking ahead to Independence Day, Thursday brings a 50% chance of showers and a high near 94°F, offering slightly cooler conditions for holiday festivities.
🔮 Six-Day Tucson Forecast:
- Sunday (June 29): High 109°F – Sunny, hot
- Monday: High 111°F – Extreme Heat Warning, slight evening storm chance
- Tuesday: High 102°F – Chance of afternoon thunderstorms (40%)
- Wednesday: High 96°F – 50% chance of showers
- Thursday: High 94°F – 50% chance of showers, partly sunny
- Friday (4th of July): High near 94°F – Mostly sunny, seasonal
