Arizona’s 2017 monsoon is well underway.

Here are the latest updates on storm activity and forecasts affecting the Phoenix metro area.

July 21, 7:30 p.m. Storms make their way to central Phoenix

Areas of central  Phoenix, including downtown,  started getting hit with rain just before 7:30 p.m.

The Arizona Department of Transportation tweeted at 7 p.m that it was raining along the State Route 51 between Northern Avenue and Shea Boulevard. 

Motorists along the Loop 101 at Thomas and McDowell were getting soaked by the storm that was in the area around 6:45 p.m., ADOT said.


July 21, 6:30 p.m. Flood advisories for north Valley, East Valley areas

The National Weather Service has issued flood advisories for a wide swath of the Phoenix metro area extending from Deer Valley in north Phoenix to Fountain Hills and areas of the far East Valley, including east Mesa.

In addition, a flash-flood warning has been issued for Apache Junction, Gold Canyon and surrounding areas in the far East Valley.

The advisories are in place until 8:15 p.m.for north Valley areas and until 9:15 p.m. for the East Valley. The flash flood warning is in effect until 9:30 p.m.

Local street flooding could occur from heavy rains moving into the areas.

July 21, 5:50 p.m. Storms moving into northeast Valley

Another round of monsoon storms were moving through the northeast Valley late Friday afternoon, bringing more rain to Cave Creek, Carefree and Fountain Hills areas.

The National Weather Service said the storms could extend into parts of east Mesa.

Isolated cells also could be seen forming in areas of the northwest Valley.

Storms also were building east of Apache Junction on Friday.

July 21, 7:30 a.m.: More showers and humidity expected

Weather conditions in the Valley are expected to be similar to Thursday, but with a decreased chance of showers and thunderstorms (10 to 15 percent), according to the National Weather Service.

Temperatures could reach up to 103 degrees in the Phoenix area and drop down to around 86 degrees tonight. According to the National Weather Service, the relative humidity is expected to be around 25 to 30 percent for today.

Storm chances will probably last through Monday and possibly even through the end of next week.

July 20, 9:15 p.m.: Urban and small-stream flood advisory issued in East Valley


Lightning is flashing and rain is soaking east Mesa near Power and Brown roads Thursday night, July 20, 2017. Wendy Killeen/

An urban and small-stream flood advisory has been issued in the East Valley until 9:45 p.m. by the National Weather Service. 

The advisory was issued after heavy rains moved into east Mesa, and surrounding areas Thursday.

A  significant weather advisory for heavy rains in the East Valley also was issued until 10 p.m.


July 20, 7:10 p.m.: Rain moves into Scottsdale, northern Phoenix, NW Valley

Heavy winds and rain fell in northern parts of the Phoenix metro area early Thursday evening, including areas of Glendale, north Phoenix and Scottsdale.

All northern regions of Phoenix should anticipate rain and 30 to 40 mile-per-hour winds, according to the National Weather Service.

So far, 0.47 inches of rain have fallen in Phoenix this month, the National Weather Service said.  NWS expects chances of rain to subside in the Phoenix area Friday through Sunday but increase again Monday.  

July 19, 7:15 p.m.: Mayer hit by rain, neighboring towns issued flash flood warning

Rainfall made its way to northern Arizona as it hit Mayer and neighboring towns of Spring Valley and Cordes Lake.

The National Weather Service issued a flash flood warning 


July 19, 2 p.m.: Rain falls in southwest Valley 

Residents of Goodyear and other parts of the southwest Valley saw rainfall from an early-afternoon storm.

The National Weather Service reported storms and showers with heavy rain and blowing dust in the western parts of Maricopa County and in the Phoenix-metro area.

The weather service forecasts a 20 percent chance of thunderstorms this afternoon and a 30 percent chance on Wednesday night.

July 18, 4:50 p.m.: Storms now bringing rain in West and East Valley

The National Weather Service reported storm cells were developing in the West Valley, bringing rain to areas to both the north and south.

The storms developed as storms began moving into the area from the east, as light rain was falling in areas of the East Valley.

July 18, 4:30 p.m.: Flash flood warning issued east of Phoenix, storms moving into eastern areas of metro Phoenix

The National Weather Service issued a flood advisory near Roosevelt Lake and the Superstition Mountains and a flash flood warning near the towns of Tonto Basin and Roosevelt on Tuesday after heavy rains in the area — and those storms are moving into the Valley from the east.

The flood advisory goes until 6:45 p.m. on Tuesday night. NWS advises residents to immediately move to a higher ground and avoid walking or driving through flooded areas. 

The storms that poured on the Roosevelt and Superstition Mountain areas were moving into the Northeast and Southeast areas of the Valley. 

 NWS had predicted a 40 percent chance of showers and thunderstorms on Tuesday night. By 4 p.m., a wall of dark clouds  was building across the eastern side of metro Phoenix and moving into the metro region. Rain also was developing in the west Valley, NWS said.

NWS has has issued a flash flood watch until 2 a.m. on Wednesday for most of Arizona, with the exception of La Paz and Yuma counties.

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