Don becomes first hurricane of 2023 Atlantic season

Tropical Storm Don became Hurricane Don on Saturday, marking the first hurricane of the 2023 Atlantic hurricane season.

Watch: New Hampshire road buckles during flash flood

Warnings for heavy rainfall and “considerable flash flooding” were issued for areas in New York and New England, including New Hampshire, on Sunday.

Heat wave sitting over much of US Southwest, on track to break records

About a third of Americans were under extreme heat advisories, watches and warnings Saturday, with the heat expected to continue into next week.

Subtropical Storm Don forms far out in Atlantic Ocean

Subtropical Storm Don has sustained winds of 40 mph with higher gusts, but is far from any shore.

Despite heat wave, people are flocking to the hottest place on Earth

Temperatures in the largest national park in the Lower 48 states are expected to intensify over the weekend, potentially setting new records amid a major U.S. heat wave.

Man drowns at home in Vermont's 1st recorded flooding death

The 63-year-old man's death was the second flood-related death related to a storm system and heavy flooding in the Northeast this week. The first occurred in New York when a woman died after being swept away during a flood.

Several cities have heat emergency plans. Are they enough in a warming world?

Natural disasters can be dramatic — barreling hurricanes, building-toppling tornadoes — but heat is more deadly. Many cities are beginning to plan their responses to the looming threat.

Summer heat is the 'No. 1 weather-related killer,' doctor warns

States in the Southwest and West have been under Excessive Heat Warnings and heat advisories for the past two weeks

Earth sees hottest day on record for third straight day

The daily highs are an indication that climate change is reaching uncharted territory, scientists say.

Travelers delayed at airports ahead of July 4
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Severe weather across the U.S. along a blanket of wildfire smoke from those incidents burning in Canada have led to major delays at airports across the nation.

Smoke from Canada wildfires increasing health risks in Black, poorer communities in US

The smoke is impacting air quality issues for poor and Black communities that already are more likely to live near polluting plants and in rental housing with mold.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.