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MOST ACCURATE FORECAST: Rain chances going down to end the weekend

Posted at 5:38 AM, Aug 20, 2022
and last updated 2022-08-21 02:52:34-04

PHOENIX — Monsoon storm chances finally start going down Sunday and for much of next week.

The disturbance that helped pick up storm chances in the Valley has moved east, but lingering moisture means another round of scattered storms is possible this evening.

The main threats with these storms will once again be damaging winds, heavy rain, lightning and flash flooding.

Highs should remain in mid 90s across the Valley through today. Early morning lows will fall into the 70s.

Then, high pressure moves in which will limit storm chances and cause temperatures to heat up past 100 degrees in Phoenix by Tuesday.

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2022 Rainfall totals:

Sky Harbor Official Rainfall: 1.89" (-2.57" from average)

Valley Average (Phoenix Rainfall Index): 3.40"

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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW

Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain

NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain

Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain

NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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