Heat waves do more than just generate high temperatures and cause excessive sweat. Research shows that heat affects animal brains, which impacts their ability to think and their behavior. According to ...

2026 Atlantic hurricane season is here, but when will the 1st storm form? Tropical development is expected to remain limited as the Atlantic hurricane season gets underway, but forecasters say a shift ...

AccuWeather meteorologists are monitoring areas in the Gulf and waters off the west coasts of Central America and Mexico for possible tropical development during the start of the new month. The ...

A day after hail pummeled Colorado, storm risks are back throughout the middle of the country.

Conditions from Mexico’s Yucatán Peninsula to the waters surrounding Florida could become more favorable for tropical development in the coming days. Tropical activity in the eastern Pacific may ...

Cold to pull back in eastern US during week two, three of February Frigid days in the eastern half of the nation are nearing an end, but while it may feel much warmer, the pattern may not signal an ...

As the moon orbits the Earth, there are points when it is closer to the planet, appearing slightly larger in the sky, and times when it is a little farther away, making it seem a bit smaller. The ...

Yosemite National Park saw long lines and heavy crowds over Memorial Day weekend, offering an early look at what visitors may face this summer after the National Park Service ended the park’s ...

Despite the name, the moon will not turn blue. The term "Blue Moon" is tied to the calendar when two full moons fall within the same month, the second of which earns the nickname. It happens because ...

Dangerously cold air to surge through dozens of states later this week The coldest air of the winter may visit many areas across the central and eastern United States, with AccuWeather RealFeel® ...

Mount Washington is covered in snow in this Wednesday, Nov. 13, 2013 file photo taken from Bartlett, N.H. Extreme Mount Washington sits on the top of the Northeast’s highest peak, in New Hampshire.

Wintry weather to return: Arctic air to whisk away record-breaking warmth in East, Midwest Record-challenging warmth will give way to Arctic cold waves that could bring a return of snow in parts of ...