Weather News

A severe thunderstorm watch has been issued for southwestern Pennsylvania, including Dormont and Brookline.

The tornado that struck an Oklahoma City suburb this week may have created $2 billion or more in damage as it tore through as many as 13,000 homes, multiple schools and a hospital, officials said Wednesday as they gave the first detailed account of the devastation.

Target Corp. reported a 29 percent drop in first-quarter profit as unusually cool spring weather and financial pressures chilled customers' appetite for spending.

Cos. said Wednesday that its first-quarter net income rose nearly 3 percent, but results fell short of expectations as rainy weather hurt spring gardening sales.

A dam that threatened to give way and flood a North Dakota town was holding back the water on Wednesday, though the 1,300 residents of Cavalier were still being told to stay away from their homes.

The powerful storm system behind the twister that ravaged Moore, Oklahoma, set its sights on the Great Lakes and Tennessee Valley on Wednesday, forecasters said.

The tornado that struck the Moore, Okla., area Monday afternoon left an almost 2-mile wide path of destruction, flattening homes and businesses and taking at least 24 lives.

It's warm. It feels humid. And the sun is high in the sky. That's a recipe for severe weather.

A study in the journal Nature Climate Change suggests that heat deaths in Manhattan will increase over the rest of this century in connection with higher temperatures associated with global warming.

A. You can't blame a single weather event on global warming. In any case, scientists just don't know whether there will be more or fewer twisters as global warming increases.

The search for survivors and the dead is nearly complete in the Oklahoma City suburb that was smashed by a mammoth tornado, the fire chief said Tuesday.

Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla.

Everything had to come together just perfectly to create the killer tornado in Moore, Okla.: wind speed, moisture in the air, temperature and timing.

After an estimated 26 tornadoes hit five states Sunday and a massive tornado leveled Moore, OK, killing 24, Monday - more severe weather is expected Tuesday afternoon.

Tornadoes are a part of life in Moore, Okla., something country star Toby Keith was reminded of when a deadly, devastating one leveled parts of his hometown on Monday.

The search and rescue mission continues this evening after a massive tornado touched down Monday afternoon.

President Obama will address the nation on the Oklahoma tornadoes at 10 a.m. Tuesday, the White House has announced.

Forecasters expect a stormy day across North Texas and East Texas as another day of severe thunderstorms are expected to make it into the Dallas-Fort Worth area.

The Senate is debating cuts to the federally subsidized crop insurance program as it considers a massive farm bill this week.

The violent tornado outbreaks of the past several days, including the killer twister that hit Moore, Okla., on Monday, have shattered the calm of what had been a very quiet tornado season so far.