Phoenix weather: Small storm chances before brief monsoon break

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By Catherine Holland By Catherine Holland

PHOENIX -- Storms will make a run for the Valley Thursday evening, but neighborhoods will be hard pressed to find any rain.

The bigger threat may be dust from thunderstorms developing south of the Valley. Storms will steer towards the north and northeast.

The best chances for thunderstorms start off late Thursday morning across northern Arizona. Storms will spread into the White Mountains shortly after. The main threats with these storms will be locally heavy rain and hail.

Back in the Valley, the high humidity levels will keep daytime highs Thursday afternoon in the low 100s.

On Friday, our subtropical ridge that’s responsible for pumping monsoon moisture into Arizona will track eastbound away from the state. This will bring a drier air mass into Arizona. The Valley will loose storm chances Friday and into Saturday, but eastern Arizona will hold onto the threat of thunderstorms.

As drier air moves in, temperatures will rise. By Saturday, the Valley could flirt with 110 degree territory.

Monsoon moisture increases next week, bringing storm chances back to the Valley forecast.

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