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MOST ACCURATE FORECAST: Freeze Warnings for parts of the Valley overnight

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PHOENIX — Our latest storm is clearing out and leaving behind a big blast of cold air.

Overnight lows are plunging into the 30s across central Arizona, putting some Valley locations under Freeze Warnings.

The Freeze Warnings stretch across most of Pinal County and Pima County, including San Tan Valley, Maricopa and Casa Grande. Temperatures in these spots will briefly drop to or below the freezing point of 32 degrees by sunrise Thursday morning.

If you are in these areas, cover any sensitive plants you have with a tarp, sheet, or blanket. Bring your pets inside overnight, too.

Temperatures will be several degrees warmer overnight Thursday into Friday morning as more cloud coverage moves in.

Those clouds are headed our way as another storm moves into Arizona with more rain, snow and gusty winds.

Snow levels could go as low as 3,000 feet by Friday morning, putting snow on the mountains just north and east of Phoenix.

Another three to six inches of snow is possible in areas above 5,000 feet in elevation, including Flagstaff.

Valley rainfall will be light with a tenth of an inch of rain (or less) possible overnight Thursday into Friday.

Our forecast will dry out again over the weekend with afternoon temperatures staying in the 50s.

Then, another storm system will be moving in early next week. Stay tuned for updates on that one as we get closer.

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2023 Rainfall totals:

Sky Harbor Official Rainfall: 1.03" (+0.49" from average)

Valley Average (Phoenix Rainfall Index): 1.23"

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2022 Rainfall totals:

Sky Harbor Official Rainfall: 5.78" (-1.44" from average)

Valley Average (Phoenix Rainfall Index): 7.02"

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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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