Phoenix, AZ – Arizona’s early October heat streak will break later this week as a storm system pushes into the Valley by Thursday. After days of sunshine and temperatures near 100°F, residents should prepare for possible showers and thunderstorms starting Thursday afternoon.
According to the National Weather Service, storm chances rise to 50% Thursday night, bringing potential lightning, gusty winds, and brief heavy rain. Drivers should use extra caution on I-10 and Loop 101 during evening commutes when wet pavement and reduced visibility are possible. Outdoor events and early Halloween decorations may also need to be secured ahead of gusty winds.
By Friday, scattered showers will linger, with highs around 94°F and slightly cooler morning temperatures near the mid-70s. The weekend outlook remains mixed, with isolated storms Saturday before sunshine returns Sunday.
Five-Day Forecast at a Glance:
- Tuesday: Sunny, high near 97°F.
- Wednesday: Clear, high near 99°F.
- Thursday: 50% chance of storms, high near 92°F.
- Friday: Scattered showers, high near 94°F.
- Saturday–Sunday: Partly cloudy, highs in the upper 80s, cooler mornings.
Stay weather-aware this week and check local updates before travel or outdoor plans.
