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MOST ACCURATE FORECAST: Warm start to the week, but rain could be on the way!

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PHOENIX — It's a warm start to the week in the Valley!

Temperatures climbed into the upper 80s Monday afternoon and will do so again on Tuesday.

Overnight lows will be mild and could even set records.

Phoenix is only expected to drop into the mid 60s for much of the week, putting record-warm lows in jeopardy Tuesday through Friday.

Daytime highs will gradually drop, with Phoenix in the low 80s by Thursday and Friday as our next storm moves in.

Moisture out ahead of that storm will bring mostly cloudy skies to the Valley and much of Arizona on Wednesday and Thursday. We could see a few spotty showers those days, too.

By Friday night into Saturday morning, the core of the storm will push through. That will significantly increase our rain chances and drop temperatures into the mid 70s over the weekend.

There is still a lot of uncertainty as to how much rain we'll get, but this storm is bringing the best rain potential we've had in more than two months.

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2023 Rainfall totals:

Sky Harbor Official Rainfall: 3.03" (-3.11" from average)

Valley Average (Phoenix Rainfall Index): 4.17"

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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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See the full 7-Day forecast

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