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By Jennifer Gray and Haley Brink, CNN meteorologists As we get into the latter part of the busiest three-month period of hurricane season (August, September, October), can we start to take a deep breath and exhale? Is this it? Have we seen the worst of hurricane season? Is it over? In August, Colorado State University

By Amanda Watts and Jason Hanna, CNN Southern California’s Alisal Fire, which earlier this week closed portions of US Highway 101 and the Union Pacific Railroad west of Santa Barbara, was 50% contained as of Saturday morning, fire officials said. That’s an improvement from Friday morning’s 41%. The fire has burned about 17,200 acres since

By Brandon Miller and Judson Jones, CNN Winter weather, ongoing drought conditions and even the remainder of hurricane season will see impacts from a recent cooling of sea surface temperatures in the Pacific. La Niña conditions — the opposite phase of El Niño — have emerged in the tropical Pacific Ocean over the past month,

By Drew Kann and Ella Nilsen, CNN As a massive investment to repair roads and adapt to climate change faces an uncertain fate in Congress, a new report finds much of the country’s infrastructure is already at risk of being shut down by flooding. And as the planet heats up, the threat is expected to

By Pedram Javaheri, CNN Extreme, climate-fueled rainfall broke records this week in a part of Italy known for its rain and an area in Oman not known for rain at all. On Monday, a series of storms put on the parking brakes over northwestern Italy, unleashing rainfall rates never before seen in all of Europe

By Jennifer Gray, CNN meteorologist Hurricane hunters have been flying inside hurricanes for more than 50 years, collecting data. They’ve been tossed around and risked their lives for the sake of hurricane research and keeping communities safe. Now they have a new partner, which will be on the water with eyes inside the storm from

By Jennifer Gray, CNN meteorologist A new finding that seems a little out of this world is a new reality for researchers who have been studying the cosmos for the last two decades. They discovered the Earth is not as bright as it once was and has been dimming at a noticeable pace in the

By Rachel Ramirez, CNN The climate crisis ravaged the United States this summer. As the West struggled with unrelenting drought and dozens of wildfires, a deadly heat wave seared the Northwest in June. Months later, back-to-back hurricanes — Henri and Ida — slammed the Northeast, breaking all-time rainfall records. Beyond the US, China and Germany

By Derek Van Dam, CNN Meteorologist Tropical Storm Victor formed Wednesday afternoon in the eastern Atlantic, the second to last name on this year’s list — a feat that’s reserved for only the most active hurricane seasons. The National Hurricane Center initiated advisories Wednesday morning on the latest tropical depression to form, maintaining the momentum

By Allison Chinchar, CNN Meteorologist It’s the first official weekend of autumn, but the traditional fall feeling of cool, crisp mornings with beautiful foliage on the trees might not happen for everyone yet. Many states in the Northeast and Southeast are getting a much needed reprieve from the summer heat, with the vast majority of

By Allison Chinchar, CNN Meteorologist Sam started Thursday as a tropical storm, with winds of 35 mph, and ended the day at 70 mph — a rapid intensification that occurs when a tropical cyclone strengthens by at least 35 mph in 24 hours. By Friday morning Sam had strengthened into a hurricane, and it may

By Allison Chinchar, CNN Meteorologist Sam is now the 18th named storm of the Atlantic hurricane season. The tropical storm is churning in the open Atlantic Ocean more than 1,600 miles east of the Leeward Islands. While it is still far away from land, impacts are possible early next week. More importantly, the storm is

By Drew Kann, CNN The falling water levels at Lake Powell, the second-largest man-made reservoir in the US, could make the dam’s hydroelectric power generation impossible as soon as next year, according to new projections released Wednesday by the US Bureau of Reclamation. The new modeling shows a 3% chance that Lake Powell, which is

By Pedram Javaheri, CNN Cooler weather is landing right on cue for the first day of autumn. But first, the system delivering the cooler temps will soak the eastern third of the country, bring strong winds and 10 to 18-foot waves on some of the Great Lakes. A strong storm system is forecast to develop

By Aya Elamroussi, CNN California firefighters have made significant headway in taming one of the largest blazes in the history of the wildfire-prone state, but heat and wind are likely to persist, challenging those on the front lines of multiple fires. The Dixie Fire — the second largest in California’s history — is 94% contained