Four states are at risk of seeing impacts from Tropical Storm Chantal should it form over the holiday weekend. AccuWeather ...

New data shows that water levels in major reservoirs including Lakes Mead and Powell are well below average for this time of ...

The National Climate Assessment is the most influential source of information about climate change in the United States.

The history, culture, and political climate ... states along the West Coast and in the Northeast region of America tend to ...

Humidity will soon surge to extreme levels across 40 states. Find out where there will be excessive heat and humidity — and how humidity patterns are changing.

A system expected to stall over Florida late this week could spell trouble for your Fourth of July outdoor plans in Fort ...

Decreasing precipitation and rising populations could bring a perfect storm of water shortages for the United States. Where is our water going? A thunderstorm sweeps across Nevada, a state in ...

Sweltering heat happens every summer, but to get close to the bar of a state's all-time hottest temperature usually takes a heat wave that's on another level.

Butterfly species numbers dropped 22% across the U.S. between 2000 and 2020. Habitat loss, climate change, pesticides are the main causes.

From coastlines to heartland, new research suggests the very geography of the United States could be dramatically altered by an accelerating climate crisis. Forget static borders – experts are warning ...

To help reduce the spread of West Nile Virus and other mosquito-borne pathogens, Loveland’s annual mosquito mitigation ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United States.