Tucson, Arizona – Arizona’s monsoon moisture returns Tuesday, July 29, with storms likely disrupting late-day commutes in Tucson as temperatures soar to 105°F.
According to the National Weather Service, there’s a 20% chance of thunderstorms after 11 a.m. Tuesday, with the highest risk of showers developing late afternoon through Tuesday night. Winds will shift from light and variable to breezy in the evening, increasing the potential for blowing dust and sudden visibility drops on I-10 and nearby highways.
Roads like I-10 and Grant Road may experience brief flooding or slick conditions between 5 p.m. and 9 p.m. Drivers are urged to avoid travel during active storms and to monitor real-time radar updates. Isolated power outages are possible if lightning intensifies. Residents should charge devices and delay outdoor activities until after storms pass.
Heat remains a concern. Tuesday’s high will push to 105°F, with little relief overnight as lows hold near 79°F. While Tuesday’s storm chances are moderate, they mark the beginning of a more unsettled pattern through the weekend.
🔎 Five-Day Tucson Weather Outlook
Tuesday, July 29:
☀️ High 105°F / 🌩️ 20% chance of storms after 11 a.m.
💨 Breezy evening with storm potential continuing into the night
Wednesday, July 30:
🌤️ High 105°F / 🌩️ 40% chance of storms after 11 p.m.
🌙 Low near 79°F
Thursday, July 31:
⛅ High 103°F / 🌩️ 50% chance of storms after 11 a.m.
🌙 Partly cloudy overnight, low around 77°F
Friday, August 1:
🌤️ High 104°F / 🌩️ 20% chance of storms
🌙 Low near 80°F
Saturday, August 2 – Sunday, August 3:
☀️ Mostly sunny, highs near 106°F
🌩️ 20% chance of evening storms each day
Storm chances will linger into early August. Stay weather-aware as afternoon heat combines with monsoon instability later this week.
