A mix of snow and ice blanketed a large swath of the northern U.S. over the weekend, after a major winter storm hit parts of the Upper Midwest, the Great Lakes region and the Northeast.

Every day through Feb. 7, two federal and state agencies will focus on a specific step you can take to prepare for tornadoes, severe thunderstorms and more.

Parts of the South will see high temperatures while upper parts of the U.S. will see wintry weather.

The weather-predicting groundhog celebrity has met two presidents and drinks a life-extending elixir: "Our Phil is like, probably 139 years old," Groundhog Club Inner Circle President Tom Dunkel says.

Last year was a hot one in Georgia but last week’s snow is not evidence we’re headed in a different direction, Georgia scientists say.

Freezing temperatures can kill off dormant agricultural disease.

Okay, Georgia, we have snow, and it’s colder here than it’s been in a very long time. These conditions are so unusual for us, it makes Southerners, unaccustomed to extreme winter weather, wonder just how bad we have it at the moment.

The National Weather Service in Peachtree City is warning Georgians to stay off roads across large portions of the state. 2 to 6 inches of snow is expected to fall in the Southwest region of the state, with 0 to 1 inch or more in Atlanta and suburbs. 

Heavy snow, sleet and ice are making travel conditions treacherous across the region, stretching from Houston into the Florida panhandle.

A winter storm prompted a National Weather Service office in Louisiana to issue a first-ever blizzard warning. The storm is causing dangerous conditions from Texas to North Carolina.

The new initiative will be rolled out across 27 stations and feature "additional visual storytelling capabilities," Allen Media Group says.

Residents along the East Coast, from the Northern Plains to the tip of Maine, are bracing for several inches of snow on Sunday followed by dangerously cold temperatures.

Bundle up and prepare: People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, a meteorologist says.

Here's a guide to understanding "particularly dangerous situation" red flag warnings, containment, and other terms related to the devastating fires that have left much of the LA area in ruins.

Sometimes, weather is just weather. And other times human-caused climate change had an obvious impact.