Consumers striving to keep cool are helping to raise the price of coal. Lee Hendricks, a meteorologist with the National Weather Service, said Pittsburgh's average temperature for June was 2.4 degrees above normal, and that July so far has brought six days in which the temperature was 90 degrees or higher. (07/27/2010)

Saturday's 93-degree scorcher wasn't record-breaking, but if it felt like one for the books, blame the humidity. The heat index -- or "how hot it feels," explained National Weather Service meteorologist John Darnley -- hit a high of 97 degrees at 3:47 p.m. (07/25/2010)

The city of Pittsburgh is taking the unusual step of opening two senior centers Saturday to give residents a place to escape the heat (07/23/2010)

The National Weather Service in Pittsburgh this morning issued a special weather statement that warns residents across the region to be prepared for extreme hot and humid conditions Friday and Saturday. (07/22/2010)

Rising floodwaters forced authorities to shut down Route 51 from the Liberty Tunnels to Route 88/Library Road. (07/13/2010)