Weather and Climate News

AZ bumble bee species could be added to endangered species list

A public comment period for the Suckley’s Cuckoo Bumble Bee is open Dec. 17.

Monarch butterfly population crisis sparks endangered species proposal

Public input sought on new proposal to protect monarch butterflies under Endangered Species Act.

Hobbs signs largest tribal water rights agreement in US history

The settlement is contingent on Congressional approval.

TUSD gets $4 million EPA grant to replace diesel buses with electric fleet

Ten diesel buses are being replaced with electric models, reducing emissions and cutting costs.

Tucson Unified School District approves climate action plan led by students, targets net-zero by 2040

New policy prioritizes clean energy, sustainable practices and a comprehensive climate education.

Neighboring governors Hobbs, Durazo sign off on environmental plan to address cross-border air, water, waste and wildlife issues

New strategic plan prioritizes sustainable solutions for shared environmental challenges along the Arizona-Sonora border.

Tucson is reaching record-setting temperatures this season

September 2024 is the hottest on record, and October is also breaking records

Uranium Mining in the Grand Canyon Region: Tribal Sovereignty vs. Nuclear Energy in the Climate Crisis

Uranium mining and nuclear energy may be affecting Arizona's tribal nations, posing threats to the region's water resources and the environmental and cultural heritage connected to them.

Dragonfly Festival honors Tucson’s Santa Cruz River restoration

From wastewater to wildlife, how Tucson’s Heritage Project Reach became a thriving river ecosystem.

Efforts to protect Santa Cruz River gain ground with federal conservation plan

Community leaders and federal officials join forces to safeguard one of America’s most endangered plans

Phoenix ends its streak of 100-degree days at 113 consecutive days

The National Weather Service said Tuesday’s high temperature was 93 degrees Fahrenheit (33.8 Celsius) at 4 p.m. MST.

Arizona gets $10 million from the Interior Department for wildland fire support

DOI Acting Deputy Secretary Laura Daniel-Davis visits Saguaro National Park.

Phoenix weathers 100 days of 100-plus degree temps as heat scorches western US

That's long since shattered the record of 76 days in a row set back in 1993, according to data from the National Weather Service.

Havasu Falls closed indefinitely after deadly flash flood

Havasupai Tribe and emergency teams assessing damage.

Arizona, Nevada and Mexico will lose same amount of Colorado River water next year as in 2024

Long-term challenges remain for the 40 million people reliant on the imperiled river.

2024 monsoon bringing much of Southern Arizona out of drought conditions

The Tucson metro area is about 2 inches above normal rainfall totals.

Giant old saguaros can be resilient. It's baby saguaros researchers are worried about

Human-caused climate change is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive.

Arizona tribe wants feds to replace electrical transmission line after a 21-hour power outage

Tribal officials say the transmission line fails routinely and leaves residents and businesses without power — sometimes for days.

Satellites help researchers measure climate effects in Antarctica

Scientists are using data from orbit to keep track of snowfall and ice melt in the region.

Toxic Waters: EPA and military clash over Tucson’s groundwater cleanup

Families affected by cancer and premature deaths blame a history of polluted water in southern Tucson. The water utility is trying to clean up the problem.

Navajo Nation President stops truck carrying uranium across tribal lands

The uranium ore was being transported to Utah, where the only fully-licensed and operating conventional uranium mill in the United States is.

A wet week brings above average rainfall totals for Southern Arizona

Tucson has accumulated almost four inches of rain since the season began.

Dry but alive: Rethinking golf's green lawns

Golf is a commonly blamed culprit of Arizona's water woes. How much water goes to the state's courses?

AZPM’s Mini Severe Storm Guide

Fast-escalating storm causes widespread damage and power outages, prompting questions about monsoon season and climate change

Awareness Ranch

Permaculture and Natural Building In Action.

Science in the Critical Zone

University of Arizona scientists working at the Critical Zone Observatory in the Catalina Mountains are studying Earth’s thin surface

Desert Living Home Tour

Homes and community spaces across Tucson showcased features that cut down on water and energy use.

Salvation Army Cooling Center

Heat-related illnesses during the Southern Arizona summers can be dangerous and even deadly. Salvation Army Cooling Centers or “Heat Refuges” are open to all, and provide a climate-controlled space to eat, relax, and re-hydrate.

Chubasco Channel

Alex! Jimenez’s Chubasco Channel is an immersive sound installation that celebrates the monsoons and raises awareness about the future of water in the Southwest Region.