Tucson, Arizona Monsoon News, Facts and Statistics

LIVE UPDATES: Roads closed due to flooding south of Tucson

A Severe Thunderstorm Warning has been issued by the National Weather Service until 2:45 p.m. for western parts of Tucson, Casas Adobes and the Catalina Foothills until 2:45 p.m.

LIVE UPDATES: Road closures and power outages in Tucson due to monsoon storm

Monsoonal rains have officially begun falling in the Tucson metro area. KGUN 9 will have the latest information in this story.

2025 Monsoon Outlook for Southern Arizona

This year, neither El Niño nor La Niña is in play as Eastern Pacific sea surface temperatures are close to average. So, in this ‘neutral’ state, we expect an average tropical storm season.

Monsoon ready: Detention basin project wraps up in Marana neighborhood

This week, crews are wrapping up a detention basin project in a Marana neighborhood to help when monsoon storms roll through.

Firefighters train for swift water rescue situations during monsoon

Firefighters train at Danny Lopez Park and the Salt River to help people who are stuck in a swift water rescue situation during monsoon.

'Turn around, Don't Drown' message can save lives during monsoon

Washes are designed to move water, but roads intersecting those paths can become death traps during a monsoon storm.

Using The Loop? Here's how Pima County keeps it safe during floods

Monsoon brings floods across Arizona, impacting recreation areas like the Chuck Huckelberry Loop. The county works all year to make sure it's safe during peak flooding seasons.

Getting storm ready: Marana prepares for what monsoon may bring

A monsoon storm last year turned Marana into what the town’s Street Superintendent described as a ‘tree-pocalypse’ – town and fire officials are now preparing for what this year’s monsoon may bring.

Tucson’s updated floodplain rules aim to protect new homes from monsoon flooding

Developers must submit detailed plans of how they’ll manage drainage and reduce flood risks. The city’s engineering team reviews those plans to ensure safety for the new home and nearby properties.

Monsoon rain! Where does it go, and how do we prevent flooding?

Pima County Flood Control has now implemented nearly a dozen planned or existing stormwater parks across Pima County.

Trash build-up raises concerns for Southside residents ahead of monsoon

Southside neighbors pushed to get a large pile of debris and refuse cleaned. Now, ADOT is scheduled to clean the area, but says there's no concern for flooding. Here's how KGUN 9 got answers.

SARA gears up to rescue people in all weather scenarios

The Southern Arizona Rescue Association (SARA) trains extensively year round for all types of search and rescue scenarios, including when a monsoon arrives.

Pima County opens free sandbag stations to prevent potential monsoon flooding

Pima County is opening sandbag distribution stations across the region beginning Saturday, June 14, in preparation for the 2025 monsoon.

Green Valley residents gear up for a wetter-than-usual monsoon

In Green Valley, the annual Monsoon Madness forum returned for its fifth year, offering vital information to new residents on how to stay safe before, during, and after monsoon storms.

Tombstone family trying to save home after microburst rips house in half

A microburst caused significant damage to a Tombstone family's home, last Friday. The manufactured home split in half, where the add-on was, and the roof on the add-on blew off.

Saturday storms affecting southeast Arizona and northwest Pima County

A Severe Thunderstorm Warning was placed in Tanque Verde and Vail, according to the NWS. KGUN will update has more information is avaliable.

UPDATE: Weather warnings placed in Tucson area on Thursday afternoon

A Severe Thunderstorm Warning has been placed in Tucson metro until 5:00 p.m., according to NWS Tucson.

Thunderstorms in Southern Arizona on Saturday afternoon

A Severe Thunderstorm Warning has been placed southeast of Tucson in areas including Tanque Verde, Vail, Sahuarita, and Nogales, according to the NWS Tucson.

Warehouse worker found dead in debris days after building collapse in Phoenix

Rescue crews say an adult male has been found dead Saturday after a partial roof collapse at a large commercial building in west Phoenix on Wednesday.

Flash flood warning in place in South Tucson, NWS says

A flash flood warning was posted in the area according to the NWS. I-19 is closed in both directions near San Xavier Rd due to downed power lines on the road, according to ADOT.

Weather warnings in place in Nogales, southwest Cochise County, NWS says

NWS Tucson has placed multiple weather warnings in the southwest region of Cochise County, NWS Tucson has announced.

UPDATE: Sunrise back open with lane restrictions following downed power lines

Repair work is ongoing at Sunrise Drive and Pontatoc Road. Eastbound and westbound traffic on Sunrise is open, but restricted to one lane in each direction.

Man found dead amid debris from Phoenix warehouse building collapse

Rescue crews say a man has been found dead Saturday after a partial roof collapse at a large commercial building in west Phoenix earlier this week.

Tucson flood advisory as storm moves in Wednesday, July 24

Cuyler Diggs takes a look at the flood advisory and dust storm warning in effect for Tucson and surrounding areas Wednesday, July 24.

Live Updates: Severe weather moves into Tucson area Sunday evening

A Severe Thunderstorm Watch is in effect for much of central & southern Arizona until 8 PM tonight. KGUN 9 will keep you updated here.

Fierce winds in Marana uproot trees, tear fencing following severe thunderstorms

Severe thunderstorms swept through the Tucson metro area Sunday afternoon. Heavy rain, gusty winds and even hail left behind extensive damages for many residents.

Downtown Tucson neighborhoods recovering after Sunday's storm

Downtown Tucson neighborhoods are recovering after yesterday's storm. It brought down many trees across several homes and at the nearby park, some even falling on top of cars.

Patio awning blows over house and damages cars during Sunday's storm

Sunday's monsoon activity left damage all across Tucson. One family's home in Marana got some of the worst of it.

Monsoon damage Sunday, July 14

Scenes around the Tucson area after a massive storm hit Sunday evening.

Wall blown off Auto Zone, flooding on Speedway after Monsoon

The wall of an Auto Zone was blown off the side of the store on Prince and Fairview after monsoon storms Sunday evening.

Tucson area sees Tornado Warnings Sunday night

As severe thunderstorms swept through the Tucson area Sunday night, the National Weather Service issued multiple Tornado Warnings that have since expired.

Update: About 500 still without power Tuesday morning following Sunday storms

"Our crews are focused on restoring power as quickly and safely as possible in multiple locations where service was interrupted by severe storms," a post on Tucson Electric Power's outages page read.

High heat and monsoon storms mean more bugs in your house

Bugs and creatures look for cooler temperatures just like humans, but there are some tips you can use to help keep them out

LIVE UPDATES: Multiple severe thunderstorm warnings, power outages in Pima Co.

Multiple Severe Thunderstorm Warnings are in effect from Oracle, south to Sonoita and Patagonia. Here's Cuyler Diggs KGUN with the latest.

Tornado touches down in Tucson on Tuesday night according to NWS

The National Weather Service confirmed that damage found was from a tornado Tuesday night near Valencia and Kolb.

LIVE UPDATES: Crews clear damage from Tucson streets after Tuesday storm

The National Weather Service Tucson has issued a severe thunderstorm warning for much of the Tucson metro area, including Casas Adobes and the Catalina Foothills until 4:45 p.m.

LIVE UPDATES: Some TEP customers lose power; storm moves through northwest side

A Severe Thunderstorm Warning has been issued Friday afternoon for the Tucson metro and extending to the southwest to Three Points.

Several days after a monsoon storm, debris remains uncleared at Zayna

At the end of a section of the Midway Wash, debris and trash remain underneath the bridge at Zayna Mediterranean Restaurant. The businesses in the area don't have a solution to mitigate damage.

Monsoon in Tucson means mating season for the Sonoran Desert Toad

These amphibians contain a hallucinogenic toxin that can be fatal to pets if they pick one up in their mouth. If this happens, experts recommend immediately rinsing the pet’s mouth with water.

Zayna Mediterranean Restaurant struggles with connecting wash

A midtown wash is referred to as a "hot potato" by local businesses struggling to maintain it. The current owner described it as a battle with the City of Tucson.

How the state is helping to train local firefighters for wildfires

For the past 20 years, Arizona’s Department of Forestry and Fire Management has helped local firefighters get hands on wildfire training, so they're better equipped when they return to their station.

How southern Arizona is turning into a popular destination for storm chasers

Storm chasers flock to southern Arizona during monsoon for the chance of chasing some monsoon lightning.

From water to wind, erosion impacts the community during monsoon

As monsoon begins, neighbors take a closer look at slowing down the impacts of erosion in their yards and community.

LIVE UPDATES: Monsoon 2024 rolls into Tucson

The first monsoonal rains of the season rolled into Tucson Thursday afternoon. Some heavy rain began falling on Tucson's Eastside as thunderstorms moved to the north at about 10 to 15 mph.

2022 wildfire shaped how Kitt Peak observatory prepares for monsoon

Kitt Peak National Observatory was affected by the Contreras Fire, which was started by lightning in 2022. Now they make sure to secure the observatory for monsoon.

What would Tucson be like without flood control channels?

A Tucson without flood control channels is around 30 years in the past, but we're taking a look at the engineering behind washes and rivers to show how exactly severe flooding is prevented.

TUS officials prepare months in advance for 'that one storm' during monsoon

This year, the airport is utilizing a new lightning detection system, equipped with warning horns and colored strobe lights to indicate the proximity of lightning.

What's the difference between El Niño and La Niña?

KGUN 9's April Madison explains the difference between El Niño and La Niña, and how the two patterns impact monsoon in Southern Arizona.

Making a popular hiking spot safer during flash floods

Hiking in the extreme heat of a Southern Arizona summer is dangerous enough. But monsoon storms can create flash flooding that ramps up that risk even more.

Are the trees in your neighborhood strong enough to face monsoon?

It's Monsoon Safety Awareness week. Last year's monsoon brought wind gusts up to 72 m.p.h. around the Tucson area. We're sharing what to look out for to mitigate the damage a fallen tree can cause.

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