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.

Metro Phoenix could hit 100 degrees this week, setting a new record for first 100 degree day. Here's what to expect, plus ...

As wet conditions continue throughout South Florida on Tuesday due to steady showers, there is also a chance for thunderstorms.

A potent cold front will spark heavier downpours and thunderstorms by the evening commute and last into the night.

A winter storm is bringing snow and gusty winds, creating difficult travel conditions on Chicago roads and at airports Monday.

WASHINGTON, Feb 9 (Reuters) - A fresh examination of radar data for Venus obtained by NASA's Magellan spacecraft in the 1990s indicates the presence of a large underground cavity created by a lava ...

A powerful storm will approach the Atlantic Coast over the weekend of Jan. 31, and it promises to be a doozy, but cold temperatures and snow also are forecast for much of the nation. Chances for ...

Another winter storm is on track to slam the East Coast this weekend, bringing more snow to states still reeling from Winter Storm Fern. The latest forecast map from the National Weather Service shows ...

Add Yahoo as a preferred source to see more of our stories on Google. Winter Storm Fern is making a cross-country trek through the weekend, bringing winter weather impacts to over half of the ...

Winter Storm Fern is making a cross-country trek through the weekend, bringing winter weather impacts to over half of the country's population. On this page, you'll find maps to help you track the ...