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Aug
16
2023
Significant Flooding Possible This Weekend | Excessive Heat Warning through Thursday

Minor Risk of thunderstorm impacts through Thursday - mainly over elevated terrain areas.

Localized Major HeatRisk through Thursday. An Excessive Heat Warning in effect.

Thunderstorm coverage (30-60% chance) and intensity expected to increase Friday with areas of Moderate Risk.

Major Risk of thunderstorms with heavy flooding rainfall in SW Arizona & SE California Saturday and Sunday. Some significant flooding possible.

CHANGES FROM PREVIOUS BRIEFING

Large increase in Flood/Thunderstorm threat in SW Arizona & SE California this weekend.

WEATHER RISK OUTLOOK

Risk levels incorporate potential impacts from weather hazards and likelihood of occurrence.

DETAILS

FOR MORE INFORMATION

For the latest forecast updates, visit weather.gov/phoenix.


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