Tucson, Arizona – Thunderstorms are expected to develop across Tucson by midday Tuesday, July 22, bringing a renewed risk of flash flooding, gusty winds, and possible power outages along I-10 and I-19.
According to the National Weather Service in Tucson, a 50% chance of thunderstorms will move in after 11 a.m. Tuesday, with storm activity continuing into the evening. High temperatures will reach 96°F before cloud cover and rainfall bring temporary relief. Winds will remain light but may become locally strong near storms.
Tuesday night brings a 30% chance of storms before 11 p.m., especially along southern Pima County. Motorists should avoid low-lying roadways during active storms and secure outdoor items ahead of strong wind gusts.
Looking ahead, Tucson will see a break in the storm pattern starting Wednesday. Skies clear midweek, with dangerously hot temperatures building into the weekend. By Thursday and Friday, daytime highs reach 102°F and 104°F, with minimal overnight cooling. Residents should limit outdoor activity during peak heat and stay hydrated.
The weekend heats up even further: Saturday will hit 106°F, and Sunday tops out near 108°F under mostly clear skies. Monsoon moisture may return early next week, but no rain is expected through Sunday, July 27.
🔎 Tucson 5-Day Weather Outlook (Starting Tuesday, July 22):
- Tuesday: High 96°F – 50% chance of thunderstorms after 11 a.m.
- Wednesday: Sunny – High 100°F, Low 74°F
- Thursday: Sunny – High 102°F, Low 75°F
- Friday: Sunny – High 104°F, Low 75°F
- Saturday: Sunny and hot – High 106°F
- Sunday: Mostly clear and extreme heat – High near 108°F
