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Arizona’s 2017 monsoon is well underway.
Here are the latest updates on storm activity and forecasts affecting the Phoenix area.
Aug. 4, 12:30 p.m.: 10 percent chance of showers; dry days to follow
There’s a 10 percent chance of rain in the Phoenix area on Friday, with dry days ahead, according to Andrew Deemer, meteorologist with the Phoenix National Weather Service.
This weekend, expect clear skies and maybe a few, high passing clouds, Deemer said.
High temperatures will continue in the triple digits, reaching 104 today and making its way up to 108 by Wednesday.
Aug. 3, 5 p.m.: Storms bring heavy rains throughout Phoenix metro area
Heavy rains were rolling through the Phoenix metro area from the north and east, and the National Weather Service issued several thunderstorm warnings for several areas, including the north Valley and southeast Valley.
Aug. 3, 4:30 p.m.: Heavy storms head through northeast Valley
Heavy storms were threatening areas of the northeast Valley on Thursday afternoon.
A severe thunderstorm warning was in effect for areas that included Carefree, Cave Creek and Fountain Hills until 4:45 p.m., the National Weather Service said.
Storms also were developing near Paradise Valley, Scottsdale and northeast Phoenix bringing heavy rain and winds up to 30 mph, the National Weather Service said.
The storm should bring heavy wind and rain north of the Valley on interstate 17, according to the Arizona Department of Transportation.
Aug. 2, 4:45 p.m.: Dust blows through southeast Valley
Heavy dust began moving through the southeast Valley late Wednesday afternoon, as outflows from storms south of the Phoenix area began impacting the region, the National Weather Service said.
Aug. 2, 3:45 p.m.: Low chance of rain in Phoenix area; be alert if traveling
The Phoenix area can still hold onto chances of seeing showers and thunderstorms Wednesday evening, according to the Phoenix National Weather Service.
Meteorologist Jessica Nolte said a significant cloud deck has traveled north from Pima and Pinal counties to south Valley areas, leaving a 20 percent chance for rain.
If the clouds stick around, nighttime temperatures will stay on the warm side, Nolte said.
Daytime humidity has been around 30 percent and is expected to be in that range tomorrow as well.
She also warned people traveling in rural or desert areas to be aware and focused in case they do come across water or storm runoff. Storms in northwest Arizona may produce flash flooding, Nolte said.
Aug. 1, 6:20 p.m.: More dust move through south Valley; rainbow shoots over U.S. 60 in Mesa
A rainbow shot over U.S. 60 near Ellsworth Road in Mesa shortly before 6 p.m. as storms rolled through the Southeast Valley Tuesday.
More dust also moved through the south Valley, shrouding Ahwatukee and South Mountain.
Aug. 1, 5:15 p.m.: Storms pour through southeast Valley
As storms move through the southeast Valley, the National Weather Service issued a severe thunderstorm advisory for an area that includes Apache Junction, Gold Canyon Queen Creek and San Tan Valley.
The heavy downpour brought lightning, dust and gusts of 60 miles per hour through much of the areas of the Southeast Valley.
More than 1.6 inches of rain hit Gold Canyon and nearly a half an inch of rain fell in New River late Tuesday afternoon, according to the Flood Control Distict of Maricopa County.
Aug. 1, 4 p.m.: Weather advisory for areas in far East Valley, northeast communities
The Phoenix National Weather Service is warning several areas of significant thunderstorm activity including Apache Junction, Florence, Superior and East Mesa.
The weather advisory is in effect until 4:30 p.m., according to a tweet from the National Weather Service in Phoenix.
Weather activity includes strong, gusty winds, heavy rainfall and lightning.
Thunderstorms also were moving into the north and northeast Valley, including Cave Creek, Carefree, north Scottsdale, Fountain Hills, New River and Anthem.
Aug. 1, 10 a.m.: Humid, 40 percent chance for storms
The far southeast and far West Valley got some storm activity Tuesday morning, with measurable rain before 10 a.m. in Queen Creek and San Tan Valley, and a downpour in Tonopah.
Rain or no, it’s muggy in the Valley today.
Ken Waters, warning coordination meteorologist with the Phoenix National Weather Service, said there is a 40 percent chance of rainfall this afternoon and early evening in the Phoenix area.
Expect a high temperature of 106, Waters said. The humidity will help lower the mercury on Wednesday to 101 degrees.
July 31, 5:49 p.m.: Storms in north, northeast Valley
The National Weather Service in Phoenix was tracking monsoon storms moving into the far north Valley as well as the northeast Valley.
Areas seeing rains and possible winds and lightning could include Anthem, northeast Phoenix, Cave Creek and Carefree.
The National Weather Service placed Sycamore Creek on a small-stream flood advisory until 7:15 p.m. Monday.
Anthem and New River near I-17 started to experience downpours at around 5:22 p.m., according to the weather service.
The weather service also reported slow-moving storms, lightning, heavy rain and wind gusts of up to 40 miles per hours in Cave Creek.
July 29, 7:39 p.m.: Glendale apartment complex sustains storm damage
The Desert Garden Apartments at 13517 West Glendale Ave. sustained damage when lightning downed a tree, according to the Rural Metro Fire Department.
Volunteers and donors from the Greater Phoenix American Red Cross chapter pitched in to help more than 20 residents of the complex, according to a post on the organization’s Facebook page.
July 29, 6:26 p.m.: NWS issues dust storm warning
The National Weather Service issues a dust storm warning in effect until 7 p.m for southern Maricopa County and Pinal County.
July 29, 5:35 p.m.: Power outages reported in Surprise, Phoenix
APS is reporting about 2,000 Surprise customers are without power between Paradise Lane and Boca Raton and 134th Lane and 129th Avenue due to the storm. Service was expected to be restored by 8 p.m.
About 1,600 Phoenix customers are without power between Alice Avenue and Ocotillo Road and 12th Street and Central Avenue due to “service interruption to a major power line,” according to APS. Service was expected to be restored by 8:30 p.m.
July 29, 5:30 p.m.: Strong wind and rain moving into Phoenix
The National Weather Service is reporting strong storms are hitting the West Valley and moving into central Phoenix. Officials warn of heavy rain and strong wind.
July 29, 5 p.m.: Storms into northern Maricopa County, moving south
Heavy rain and winds are heading from the northern Maricopa County area to Surprise and Peoria, according to a tweet from the Phoenix National Weather Service.
The National Weather Service also warns that flooding is possible.
July 28, 9:30 a.m.: Scattered showers early morning, more showers expected over the weekend
A sprinkling of scattered showers extended almost in a line along the eastern valley from Scottsdale down to Queen Creek this morning, according to the National Weather Service.
Residents can expect more thunderstorms and showers this weekend, with a 20 percent chance of showers during the day and a 40 percent chance at night, the National Weather Service said.
Temperatures are expected to climb up to the upper 90s and creep down to the lower 80s on Saturday and Sunday, according to the National Weather Service.
July 25, 4 a.m.: Phoenix hits highest dew point in seven years
If you were awake and outside around 4 a.m. in Phoenix, you got a taste of what it’s like to be in Miami or Houston.
At 76 degrees, Phoenix hit its highest dew-point temperature in seven years early Tuesday morning, according to the National Weather Service.
So what does that mean?
The dew point is the temperature at which the air becomes saturated with moisture, meteorologist Jaret Rogers said. When air is saturated, it cannot hold anymore water and turns into clouds, fog or rain.
“When it feels humid out, part of the reason is the dew point temperature is high,” Rogers said. “In humid parts of the country, the dew points are really high, like in the 60s and 70s, and that’s what we’re seeing here the past couple of days, with the dew point temperature up in the 60s and lower 70s.”
The dew point in Phoenix is abnormally moist and is comparable to the dew point temperatures of Miami and Houston, where the dew points are consistently high, according to Rogers.
The average dew-point temperature in the Valley for this time of year is 50 to 60.
July 24, 5:45 p.m.: Southeast Valley sees robust rainfall
Areas of the southeast Valley were pounded with rain late Sunday and Monday morning, as Apache Junction recorded 3.46 inches of rain and some areas of Mesa saw up to 2.36 inches, according to the Flood Control District of Maricopa County.
By comparison, Tempe received .83 inches of rain, while central Phoenix and Glendale saw under half an inch, the district reported.
Phoenix Sky Harbor airport received nearly half an inch of rain during the period, after it saw .69 inches of rain through the previous days combined in July, according to the National Weather Service.
July 24, 9:15 a.m.: Heavy rain, flash floods and water rescue
Washes were overflowing and roads flooding in Mesa, Scottsdale, Gilbert and San Tan Valley Monday morning.
Just after 9 a.m., the National Weather Service issued a flood warning for Surprise, much of the southwest Valley, Maricopa and the San Tan Valley.
A driver in a white Ford sedan was trapped just after 9 a.m. in rising waters in Apache Junction near 16th Avenue and Saguaro Drive, just west of Ironwood Drive.
Fire crews safely rescued a woman and a girl who appeared to be on their way to school.
July 24, 6:30 a.m.: Scattered showers, isolated thunderstorms linger
Monday’s commute to work and first day of school for some East Valley schools was a soggy one thanks to a storm passing through the area from California early Monday morning.
The storm brought heavy rain across much of the Valley Sunday night.
The National Weather Service issued a flood advisory for parts of the far East Valley, including Apache Junction, Fountain Hills, Gilbert and Queen Creek, until 9 a.m.
According to Bianca Hernandez, Phoenix National Weather Service meteorologist, the Phoenix-metro area potentially could see heavy rains and thunderstorms.
The threat of rain was expected to diminish Monday afternoon, with “a quiet evening and rest of the week until Friday, when things should recharge and ramp back up,” Hernandez said.
Humidity should be about 40 percent for most of the day, rising sharply in the late afternoon and evening, Hernandez said.
Areas in far northeast Mesa near Thunder Mountain received nearly 3½ inches of rain in the past 24 hours, according to the Maricopa County Flood Control District.
The heaviest rainfall fell in Valley areas outside the Loop 101. Areas within generally saw light scattered showers, with many areas of Phoenix and Glendale reporting little to no rain.
Phoenix-Mesa Gateway Airport reported just over an inch of rain. Most of the far West and East Valley saw more than an inch of rain or more. North and south portions of the Valley generally saw just under an inch of rainfall.
July 23, 9:30 p.m.: Storms could continue into Monday morning
After an evening of stormy weather, the National Weather Service is predicting a 50 percent chance of rain and a high of 96 degrees Monday in the Phoenix area, which would be the “coolest” high temperature since June 13.
Moisture from past thunderstorms will create more cloud cover and less sunshine, said James Sawtelle, a meteorologist with the weather service.
The clouds will fade and temperatures will rise to normal highs throughout the week. Starting Tuesday, the high is expected to reach 103 degrees, then 106 degrees on Wednesday and 108 degrees and sunny on Thursday.
There is a slight chance of rain in the middle of the week, he said.
Rain is expected over the weekend.
July 23, 6:15 p.m. the National Weather Service issues advisory for southwest Valley
6:14 p.m.: The National Weather Service issued a significant weather advisory with storms over the far southwest Valley with gusty winds, downpours and dust.
5:58 p.m.: A flood advisory in effect for the area around Florence Junction in Pinal County until 9 p.m. Minor flooding of roads and washes is expected, according to the National Weather Service.
5:35 p.m.: The National Weather Service was tracking thunderstorms over Highway 60 at Florence Junction and Queen Creek. Strong, gusty winds, lightning and patchy dust was reported.
5:30 p.m. The Yavapai County Sheriff’s Office was advising residents who live along Big Bug Creek near Mayer of the potential for flooding. No evacuations are planned at this time, but the sheriff’s office says residents in low-lying areas should be ready to go, if necessary.
4:30 p.m.: A flash-flood warning was issued for Mayer in Yavapai County until 7:30 p.m., the same area where the Goodwin Fire burned in late June. Radar indicated thunderstorms producing heavy rains. Storms earlier this week caused residents in two mobile-home parks in Mayer to have to clean up damage.
4:25 p.m.: A severe thunderstorm warning was issued east of Globe until 5 p.m. The National Weather service expects heavy rain and winds up to 60 mph.
July 23, 10:30 a.m. Flash flood warnings throughout northern Arizona
Those in the north should be aware of the potential for flash floods in Apache, Coconino, Yavapai, Navajo and Gila County, according to National Weather Service Phoenix.
The National Weather Service in Flagstaff has issued a flash flood watch for all of northern and central Arizona from noon until midnight.
If you are in an area that is flooding or at risk of flooding, the National Weather Service said to either turn around or get to higher ground.
July 22, 6:45 p.m. Downpours, lightning and gusty winds along I-10
Motorists should be aware of the possibility of downpours, lighting and gusty winds up to 40 mph along the Interstate 10 corridor in the far West Valley.
Maricopa County Flood Control District rain gauges indicated little more than half an inch had fallen within an hour near Buckeye.
Measurable rain was detected within the past 10 minutes on the I-10 between Goodyear and Wintersburg.
The National Weather Service cautioned about the possibility of water pooling on roadways.
July 22, 4:30 p.m. Thunderstorm activity hits north of Phoenix
Thunderstorms have moved in north of the Valley, dropping about a half inch of rain near Lake Pleasant in Peoria in the past hour and measurable rain in Carefree, Sun City West and north Scottsdale.
James Sawtelle, meteorologist with Phoenix National Weather Service, said the thunderstorms are mostly over high terrain and are capable of producing flash flooding and strong, gusty winds.
There is a 20-percent chance for rain in the evening for the Phoenix area, but he said that could increase.
“If thunder roars, get indoors,” Sawtelle said. “And if you encounter water running across roadways or underpasses, turn around, don’t drown.”
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
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.
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