Phoenix, Arizona – Rain chances return to Phoenix Sunday night, signaling a potential shift in Arizona’s summer weather pattern after a streak of dry, triple-digit days.
According to the National Weather Service in Phoenix, Sunday, July 20th will bring mostly sunny skies with a high near 101°F, but a 20% chance of showers arrives after 11 p.m. These scattered showers could intensify Monday afternoon into thunderstorms, particularly after 2 p.m., raising concern for localized flooding and reduced visibility on major roads, including I-10 and Loop 202.
Heading into Monday night, the risk for thunderstorm activity continues with a 20% chance of showers lingering into the evening. Gusty winds and brief downpours are possible — drivers should remain alert during the evening commute and delay non-essential travel if lightning is observed.
Tuesday will offer a brief return to drier skies, with mostly sunny weather and a high of 102°F. Heat safety remains a priority across Maricopa County as highs stay above 100°F through at least Friday.
Residents should stay hydrated, avoid prolonged outdoor activity during peak afternoon hours, and monitor flash flood alerts, especially near dry washes and desert roadways.
Five-Day Forecast for Phoenix (Sunday, July 20 – Friday, July 25):
- Sunday: Mostly sunny, high 101°F. 20% chance of showers after 11 p.m.
- Monday: Slight chance of storms after 2 p.m., high 102°F. Evening showers possible.
- Tuesday: Mostly sunny, high 102°F.
- Wednesday: Mostly clear, high 106°F.
- Thursday: Sunny, high 108°F. Calm winds.
- Friday: Sunny, high near 108°F.
