States At Risk
Explore preparedness actions each state is taking in relation to their current and future changes in climate threats.
Annual Rainfall Increasing in Most U.S. States
2019's deluge
The average annual rainfall is trending up in most U.S. states. How does your state compare?
Take a Look
How Climate Change Intensifies Heavy Rain Events
Pouring it on
Climate change is making the wettest days wetter, heightening flood risks ...
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How Sea Level Rise Threatens America’s Houses of Worship
Faith and Flooding
Unchecked warming emissions are projected to leave hundreds of houses of worship in areas vulnerable to chronic flooding by midcentury ...
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Surging Seas • Sea Level Rise
Search by city, state or zip code to track the risk of flooding in your area.
Meteorology
Climate Matters provides meteorologists with data & graphics on local weather events and their link to climate change.
Partnerships Journalism
Guided by data and science, our journalists collaborate with local newsrooms on compelling climate change coverage.
Featured
Raincheck: 2019’s Deluge in Context
It’s been another year of powerful rain so far — leading to more flooding that’s washing out crops and damaging infrastructure.
National Trends of 1”, 2”, and 3” Rain Events
As the climate has warmed, here’s how extreme rainfall has changed in the U.S.
Annual Rainfall Increasing in Most U.S. States
The average annual rainfall is trending up in most U.S. states. How does your state compare?
Shifting Tornado Zones
U.S. tornado hotspots are shifting east. See if your region is affected.
CO2 Concentrations Rising Past 400 Parts Per Million
As we emit more fossil fuels, atmospheric CO2 concentrations are rising each year — reaching levels that are unprecedented in history.
ON THE MEDIA
Upton on Zillow Report
Our features writer John Upton talks our Zillow report, the National Climate Assessment, and more with NBC10 Philadelphia's Rosemary Connors.
Special Sections
Climate Science
Data-driven research and reporting that makes climate science local and advances understanding of climate change impacts.
WXshift
A comprehensive weather site, delivering everything you'd ever want to know about your weather, including the climate context.
Featured Content
POURING IT ON: How Climate Change Intensifies Heavy Rain Events
Climate change is making the wettest days wetter, heightening flood risks.
As Temperatures Rise in Tucson, so Do Concerns over Health Risks Linked to Higher Ozone Levels
Ozone levels in Tucson and other Arizona urban areas are increasing as temperatures hit record or near-record levels every year with growing scientific consensus…
FAITH AND FLOODING: How Sea Level Rise Threatens America’s Houses of Worship
Unchecked warming emissions are projected to leave hundreds of houses of worship in areas vulnerable to chronic flooding by midcentury.
N.J. Is Warming at An Alarming Rate and It’s Making Our Air Harder to Breathe
This warming trend, combined with pollution from cars, power plants and chemical plants, is expected to increase the number of days each year that…
AMERICAN WARMING: The Fastest-Warming Cities and States in the U.S.
Local temperature data from 1970 to 2018 shows warming trends across the country — and Americans are already feeling the effects.
Other
The World Weather Attribution (WWA) initiative, which now operates independently of Climate Central, can be found here.
