Flood Watch Issued for Central and Eastern Arizona Amid Strong Thunderstorms
- The National Weather Service in Phoenix issued a Flood Watch for most of Maricopa County and all of Pinal and Gila counties on August 29, 2026, due to...
- Forecasters attributed the weather pattern to an incoming weather system combined with increased atmospheric instability and moisture.
- The National Weather Service warned that some storms could produce locally heavy rainfall, which may lead to rapidly rising water in streams, creeks, and washes.
The National Weather Service in Phoenix issued a Flood Watch for most of Maricopa County and all of Pinal and Gila counties on August 29, 2026, due to strong thunderstorms and heavy rain. According to iSkyNews.com, the highest risk for flash flooding was expected Saturday evening and continuing into early Sunday morning, August 30, 2026.
Forecasters attributed the weather pattern to an incoming weather system combined with increased atmospheric instability and moisture. This combination supported scattered thunderstorms across central and eastern Arizona, including the Pinetop-Lakeside area, according to iSkyNews.com.
Rainfall Totals and Flood Risks in Central Arizona
The National Weather Service warned that some storms could produce locally heavy rainfall, which may lead to rapidly rising water in streams, creeks, and washes. iSkyNews.com reported that ponding on roadways and flooding at low-water crossings were also possible during the event.
Rainfall projections varied by region according to the National Weather Service: south-central Arizona was expected to receive between 0.50 and 1 inch of rain, while portions of the eastern higher terrain could see totals between 1 and 1.5 inches. Higher amounts were possible in areas where stronger thunderstorms developed.
Wind Gusts and Severe Weather Alerts
Beyond flooding, the National Weather Service identified threats from frequent lightning, blowing dust, and strong winds. iSkyNews.com reported a 50% to 70% chance of wind gusts reaching at least 35 mph in Pinal and Maricopa counties.
In certain portions of those counties, forecasters estimated a 10% chance of wind gusts hitting 58 mph or stronger. Additionally, iSkyNews.com noted that severe or strong thunderstorms were possible Saturday afternoon across southeast California and portions of southwest Arizona.
Public Safety and Travel Guidance
Drivers were urged to exercise caution as storms developed, particularly after dark when water covering a road is more difficult to see. According to iSkyNews.com, residents in flood-prone areas were advised to prepare emergency plans and avoid driving through low-water crossings or flooded roadways.

Storm activity was expected to persist into the late-night hours of August 29, 2026, before conditions improved early Sunday morning.
