Weather

Dangerous heat wave scorches millions in Midwest, East Coast

Temperatures could set records in parts of the country on Saturday.

Heat index could reach as high as 115 degrees

ABC News' Meteorologist Kaylee Hartung joins ABC News and tracks the heat alert in 34 states as temperatures reach all-time highs.

Life-threatening heat gripping US has first responders on high alert

Race organizers canceled the New York City triathlon this weekend as the city remained under a heat emergency; power officials were confident the grid would hold.

Excessive heat warnings in effect around US

The New York City triathlon set for Sunday was canceled due to the extreme heat, and multiple states have excessive heat watches in effect through the weekend.

These 5 statistics show why we're experiencing historically hot weather

Last month was the hottest June ever, according to a new report from the National Oceanic and Atmospheric Administration.

Epic summer scorcher across US this weekend

Excessive heat warnings are in place from the Midwest to the Northeast.

Midwest bracing for possible tornadoes as heatwave strikes US

Many regions east of the Rockies could see record highs.

Heat wave continues to envelop half of US after storms hit Northeast

After the recent blackout in New York City, officials said the grid would hold up as the city braced for 100-degree temperatures this weekend.

Heatwave to scorch the country this weekend

Most parts of the country will be affected by dangerously hot temperatures this weekend.

How to keep pets safe in excessive heat

ABC News' Will Ganss talks to the experts at North Shore Animal League of America about how to keep pets safe and happy in these hot dog days of summer.

Connecticut man killed when tree branch struck by lightning hits car during storm

A young man was killed in Connecticut on Wednesday evening when a tree branch that was struck by lightning fell on his car, authorities said.

Dangerous heat wave blankets the country

Millions across the U.S. are prepared to endure what could be the most dangerous heat wave in years, with temperatures rising to the triple digits.

Massive heat wave spreads east as storms linger in Upper Midwest

More than 200 damaging storms were reported on Wednesday.

Massive heat wave forecast to hit NYC

Mayor Bill de Blasio urged residents to take precautions for the potentially dangerous heat.

Heat wave is coming: How to stay safe and prepare an emergency supply kit

Temperatures are expected to soar to the triple digits this weekend.

Flooding in central US as heat wave ramps up

Slow-moving remnants of Barry delivered 16 inches of rain in southwestern Arkansas on Tuesday, breaking the state's record for the most precipitation from a tropical system.

Flooding lingers in central US as heat wave threatens East Coast

Flooding remains in much of the central U.S. as highs peak elsewhere.

Heat index climbing to triple-digit temperatures for northeast US

Remnants of the storm that struck Louisiana have dumped more than a foot of rain on southwest Arkansas and triggered a possible tornado in Mississippi.

78 dead in Nepal as flooding wreaks havoc in South Asia

Barry remnants deliver more rain as heatwave takes shape from Midwest to Northeast

A town in Louisiana saw almost 2 feet of rain from Barry.

Flooded Louisiana cleans up from Barry but dodges 'worst-case scenario'; storm moves north dumping more rain

Barry made landfall as a hurricane but quickly weakened to a tropical storm.

Barry dumps more rain as flood worries continue

Authorities made 40 water rescues in Panama City Beach, Florida, due to deadly rip currents off the Florida coast.

40 water rescues required in Panama City Beach due to deadly rip currents

Authorities made 40 water rescues in Panama City Beach on Sunday due to deadly rip currents off the coast of Florida.

Lightning kills man, injures woman in Colorado

A couple was hiking when a Colorado man was killed by a lightning strike.

Barry expected to be hurricane at landfall

As much as 2 feet of rain is possible in central Louisiana, with heavy rainfall totals stretching well into Mississippi and even Arkansas.

Tropical Storm Barry could bring 2 feet of rain, disastrous flooding to Louisiana

Tropical Storm Barry could bring two feet of rain and disastrous flooding to Louisiana.

Life-threatening storm

Tropical Storm Barry gaining strength, poised to make landfall in Louisiana.

Tropical Storm Barry takes aim at Louisiana coast

Residents along the Gulf prepare for major flash flooding.

What is a tropical storm?

A tropical storm is a tropical cyclone that has maximum sustained surface winds ranging from 39-73 mph.

Louisiana residents prepare for Tropical Storm Barry

Thousands of National Guard members were called into action to prepare for the storm.

New Orleans geography in the spotlight as Tropical Storm Barry approaches

Prof. Richard Campanella, geographer and associate dean at Tulane University, discusses the layout of New Orleans and its vulnerability to storms and heavy rain.

Louisiana governor discusses storm preparations

Gov. John Bel Edwards speaks out about Tropical Storm Barry, which is expected to be a major test for the levees that protect New Orleans.

Tropical Storm Barry nears Louisiana

Tropical storm conditions are expected in Louisiana and hurricane warnings were issued for southeastern parts of the state.

Preparing for Barry

Residents in Lafayette, Louisiana fill up thousands of sandbags in preparation for the storm.

The Latest: Trump approves federal declaration due to Barry

Preparing for the storm

Residents in Cypremort Point, Louisiana are preparing for what's expected to become Hurricane Barry.

Louisiana braces for impact as Tropical Storm Barry draws near

Tropical storm conditions are expected in Louisiana on Friday and hurricane warnings were issued for southeastern parts of the state.

Tropical Storm Barry nears Louisiana, New Orleans under state of emergency

The governor called the storm "a major event for a huge portion of the state."

New Orleans under state of emergency as Tropical Storm Barry heads toward Louisiana

Tropical Storm Barry is expected to bring heavy rain, flash flooding, storm surge and hurricane conditions.

How you can protect your pets during an evacuation as Tropical Storm Barry targets Louisiana

As Tropical Storm Barry bears down on the Gulf Coast, here's how to keep your pets safe.

Gulf Coast prepares for tropical threat

Nearly 9 inches of rain hits New Orleans, submerging parts of the city as the tropical system strengthens in Gulf of Mexico.

Louisiana under state of emergency as severe weather moves in: 'We all need to take this very, very seriously'

"No one should take this storm lightly," Louisiana Gov. John Bel Edwards said.

US sets rain record for 3rd time this year as Gulf prepares for tropical system

Meteorologists are tracking a storm system brewing in the Gulf of Mexico.

Severe summer storms slam Plains, hit DC with flash floods

The nation's capital received a month's worth of rainfall in just one hour while Nebraska received up to 9 inches of rain and drivers in North Dakota were forced to abandon their cars.

Tropical threat builds in the Gulf of Mexico

ABC News Chief Meteorologist Ginger Zee tracks the latest forecast and conditions as a tropical storm threatens the Gulf Coast.

Flash floods strike Washington, DC, area during busy commute

A torrent of water carried away a footbridge and the press booth in the basement of the White House even took on water.

Dangerous flash flooding hits Washington DC during morning commute

The region saw 3 to 4 inches of rain in a short amount of time.

Dangerous flash flooding hits DC during commute

With up to three inches of heavy rain falling in the region, the National Weather Service said the area was already seeing significant flash flooding.

Severe storms expected from Rockies to the Midwest

A new storm system is developing in the Rockies, which will move east Monday, bringing severe weather with it.

Lightning strikes sailboat in Boston Harbor

Sparks flew from the mast of a sailboat in Boston Harbor as strong thunderstorms moved through New England.