Another layer in the forecast puzzle is the Eastern Pacific Oscillation (EPO), now in its negative phase. That setup — warmer ...

Two possible winter storms could cause problems for travelers in the U.S. during the week of Thanksgiving. Jenn Sullivan shows what to expect in the sky and on the road.

As snow fell in the mountains, thunderstorms rumbled from the coast to the desert from Nov. 20-21.

The destruction caused by the summer storms was enough that past presidents likely would have approved requests for federal ...

A decision is set to be made in Belém, Brazil, at the end of days of negotiations between delegations from 83 countries.