Dry conditions prevalent across most of Arizona in recent days are expected to give way to showers and thunderstorms starting mid-week and running into Thursday.

The National Weather Service says locally heavy rainfall and flash flooding may occur in Arizona with the arrival of Hurricane Newton.

The Flash Flood Watch has been issued from 11 p.m. Tuesday to 11 p.m. Wednesday for Phoenix and surrounding areas.

The National Hurricane Center reported Monday that Newton strengthened Monday into hurricane status, and forecasters say Newton apparently will cross into south-central or southeastern Arizona Wednesday or Wednesday night.

According to the weather service's Tucson office, rainfall from the system likely will range between .5 inch and 2 inches through Thursday afternoon, with some locally heavier amounts exceeding 3 inches.

The models take the bulk of the heavy precipitation through southeast Arizona with the Tucson seeing the brunt of the rain and potential flooding.

"Still, it is very possible that portions of south-central Arizona, especially southern Gila County, could receive significant rains, said meteorologists at the Phoenix office of the National Weather Service.

Historically, there have only been four tropical storms to actually make it into Arizona, the last being Nora in 1997.

If you were in Phoenix back then, you may call remember that storm as "Nada Nora".

If you were in Yuma, you`d remember it as the wettest day on record. Almost 4" of rain fell on 25 Sep 1997; 3.98" actually, which is more than Phoenix`s wettest day of 3.30" on 8 Sep 2014 (where a tropical system also was in the mix).

"Will Newton bring us rain of this magnitude? Time will tell," NWS meteorologists said.

Moisture is expected to linger into next weekend with a slight chance of showers and thunderstorms.

#GilbertAZ residents can pick up sand & bags at three fire station locations: #CommittedtoSafety pic.twitter.com/9y4OoKr13e— Gilbert Fire Rescue (@GilbertFireDept) September 6, 2016
3PM #Newton continues to move northward. #azwx pic.twitter.com/oadHwSnGuD— NWS Phoenix (@NWSPhoenix) September 6, 2016
110PM Starting to see some showers/storms in Arizona on edge of #Newton. #azwx pic.twitter.com/58eqlLBqvY— NWS Phoenix (@NWSPhoenix) September 6, 2016
1120AM Current satellite view of #Newton. #azwx https://t.co/jsaYMR1UcO pic.twitter.com/8tevyMkHEc— NWS Phoenix (@NWSPhoenix) September 6, 2016
11AM #Newton Update. Showers/storms chances increase tonight, cont thru Thu. Localized heavy rain possible. #azwx pic.twitter.com/XpiCifevab— NWS Phoenix (@NWSPhoenix) September 6, 2016
Historically, just five storms maintained tropical storm strength into Arizona. #Newton could be sixth. #azwx pic.twitter.com/Oni3sk0UcN— NWS Phoenix (@NWSPhoenix) September 6, 2016
Heavy rainfall probable across southeast AZ, the White Mtns & nrn Gila Co from Weds thru early Thurs #AZWX pic.twitter.com/xh8mZR8Y0t— NWS Flagstaff (@NWSFlagstaff) September 6, 2016
Remnant showers/storms from Hurricane #Newton will move into AZ Tue-Thu, localized heavy rain possible. #azwx pic.twitter.com/99wS99Y1Hd— NWS Phoenix (@NWSPhoenix) September 5, 2016
TS #Newton will force moisture into SE AZ. Heavy rain (1-2") psbl, w/locally higher amounts to 3" psbl in mtns #azwx pic.twitter.com/RtRYQhWg0E— NWS Tucson (@NWSTucson) September 5, 2016

Copyright 2016 KPHO/KTVK (KPHO Broadcasting Corporation). All rights reserved. The Associated Press contributed to this report.

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