Tropical Development Possible in Gulf

A cool front bringing heat-wave relief is the potential focal point late this week.

All-Time Heat Records Could be in Jeopardy

Records will be in jeopardy in a number of countries, including the U.K.

New: 3-Month Temperature Outlook

What to expect for the rest of summer.

Tropical Depression Po Off Florida

The National Hurricane Center is also monitoring the Gulf of Mexico for possible development.