A long-duration heat wave is taking shape over the western half of the U.S. and forecast to stick around in the days ahead.

A heat wave is intensifying across Southern California, with temperatures expected to exceed 100 degrees.

Finally, Hearst Castle set a new monthly record of 91 degrees on Tuesday.

A day after a tiny desert community in Southern California reached 108 degrees (42.2 Celsius), tying the highest March temperature ever recorded in the U.S., forecasters warned Thursday that record-br...

A tiny desert community in Southern California has tied the highest March temperature ever recorded in the U.S.

As you put together your spring cleaning to-do list, cleaning your roof should be the near the top.