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MOST ACCURATE FORECAST: Back-to-back storms bring rain and snow this week!

Updated: 2019-11-19 11:27:37-05

Back-to-back storm systems are about to move in bringing rain, high country snow and a blast of cold air!

Today, Wednesday, and Thursday are ABC15 Weather Action Days as multiple rounds of rain move through, potentially impacting your commutes and plans.

A Flash Flood Watch is in effect this afternoon through Wednesday night.

The first storm will be a warmer one, moving in from the southwest late today into Wednesday.

Valley showers are possible this afternoon with thunderstorms likely this evening. Heavy rain, gusty winds, and frequent lightning are all possible as storms develop.

The second storm will be colder as it pushes in from the northwest Wednesday into Thursday.

Wednesday looks like a soggy day with heavy rain and isolated thunderstorms possible throughout the day.

We'll see snow in the high country by Wednesday night, too.

A Winter Weather Advisory is in effect for areas above 6,500 feet from Wednesday evening to Thursday evening in northern Arizona, including for spots like Flagstaff, Williams, the Grand Canyon, and Heber. Snow amounts could end up between 4 and 8 inches in these spots, with as much as 20 inches possible on the San Francisco Peaks.

A Winter Storm Watch is in effect from Wednesday night to Thursday night for areas above 7,000 feet in the White Mountains. Some areas there could pick up 8 to 12 inches of snow, with as much as 22 inches over the highest peaks.

Scattered showers will still be possible on Thursday before we dry out Friday.

Valley rainfall amounts for the entire week will end up between one and two inches, with the higher amounts in the foothills, and we could see two to four inches of rain in the mountains north and east of the Valley.

It's going to get much colder, too!

Valley highs will drop to the mid to upper 60s Wednesday, Thursday, and Friday. That's going to be more than a 20 degree temperature drop from the start of the workweek.

We'll dry out in time for the weekend, but temperatures will stay cool. Expect Valley highs in the upper 60s with early morning lows in the 40s.

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2019 Rainfall totals:

Sky Harbor Official Rainfall: 3.68" (-3.16" from average)

Valley Average (Phoenix Rainfall Index): 6.17"

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Daily rainfall reports from all across the Valley can be found here .

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See the full 7-Day forecast

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