Highlights
- NWS Phoenix issued a Severe Thunderstorm Warning effective 10:57 p.m. MST August 9, expiring 11:15 p.m. MST.
- A storm 18 miles west of Tonopah is moving west at 15 mph with 60 mph wind gusts and penny-size hail.
- Arizona Interstate 10 between mile markers 66 and 87 falls within the warned area.
- Torrential rainfall with the storm may produce flash flooding; NWS advises against driving through flooded roadways.
SEVERE THUNDERSTORM WARNING: The National Weather Service in Phoenix issued a Severe Thunderstorm Warning at 10:57 p.m. MST Monday for portions of southeastern La Paz and Maricopa counties, valid until 11:15 p.m. MST.
At 10:56 p.m. MST, a severe thunderstorm was located 18 miles west of Tonopah, moving west at 15 mph, according to the NWS alert. The agency cited radar as its source. Hazards include 60 mph wind gusts and penny-size hail. NWS warns to expect damage to roofs, siding, and trees.
The storm will remain over mainly rural areas but crosses Arizona Interstate 10 between mile markers 66 and 87. Torrential rainfall is occurring with the storm and may lead to flash flooding. NWS instructs drivers not to drive through flooded roadways.
Residents and travelers in the affected area should move to an interior room on the lowest floor of a building, per NWS instructions. The warning expires at 11:15 p.m. MST.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- api.weather.gov retrieved 10/08/2026 06:00
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 10/08/2026 06:00. Every claim traces to a source.
