Extreme Weather

Tornadoes can form in minutes, leaving little time to prepare. Knowing the difference between alerts and having a safety plan in place is critical.

A Mammoth Mountain ski patrol employee has died after sustaining serious injuries last week from an avalanche.

Harsh has cold descended on the nation’s midsection as a polar vortex grips the Rockies and northern Plains.

As heavy snow covers the area, locals are cozying up inside. A man in Montgomery County took the initiative to help clear a neighbor’s driveway. News4’s Aimee Cho has the story. 

Here are hazards that pet owners should watch out for in winter weather, from antifreeze poisoning to frozen bodies of water, according to veterinary medicine expert Dr. Steven Marks.

D.C. first responders have seen an increase in calls to 911 because of the cold. News4’s Mark Segraves reports the weather also gave D.C. fire’s dive team a rare chance to train in these frigid conditions.

A major storm spread heavy snow, sleet and freezing rain across parts of the Florida Panhandle, Georgia and the coastal Carolinas on Wednesday after breaking snow records in Texas and Louisiana.

Winter storm warnings stretched from Texas to Florida, with heavy snow, sleet and freezing rain expected through Wednesday.

A rare frigid storm charged through Texas and the northern Gulf Coast on Tuesday, blanketing New Orleans and Houston with snow.

It’s Inauguration Day in D.C., but plans have changed due to the artic blast gripping the region. Follow live updates on closures, traffic and more local impacts

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as residents along the East Coast contend with a thick blanket of snow — and more snowfall in the forecast.

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.

The cold has been brutal lately with no sign of letting up as crowds descend on the National Mall for the inauguration Monday. “No, I couldn’t stand out in the cold, no,” said Daniel German-Dominguez from Massachusetts. “It’s much more civilized to have a cup of coffee and watch it from the TV with your feet propped up.” Monday...

Storm Team4’s Amelia Draper explains what it is and how it’s going to impact the D.C. area during the inauguration.

Monday is forecasted to be the coldest inauguration since Ronald Reagan’s second one in 1985, which is why the Department of Human Services is checking on people in need to get them off the street and into a shelter. News4 Juliana Valencia reports.

A PDS is a National Weather Service shorthand that stands for Particularly Dangerous Situation. Learn how and why it is used.

Although wildfires occur naturally, climate change amplifies their intensity and how quickly they can spread. Meteorologist Chase Cain explains two of the strongest links between climate change and the wildfire emergency in Southern California.

Households’ utility costs in the Northeast and the Midwest could rise by double digits this season, especially for those who rely on electricity to stay warm.

We’re all taught in grade school that water freezes into ice at 32 degrees Fahrenheit. So when temperatures stay that cold, it’s easy to assume the snow won’t melt. Unfortunately, its a little more complicated than that.

Untreated roads in the DMV remain icy, with below-freezing temperatures keeping the snow from melting and much of the area closed. News4’s Adam Tuss reports.