Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

In Lexington, just 340 miles away, winter is in full force, with freezing temperatures and “ice pellets” falling from the sky. Then I looked at the whole map, helpfully tweeted this morning by ...

We've always liked Weather Underground for its no-nonsense, real-time weather info. Today they've released a new service called Full Screen Weather that mashes up Google Maps with weather data for ...

A National Weather Service map shows the U.S. on Wednesday. A late-week storm is likely to affect tens of millions of Americans on the East Coast.

National Weather Service map showing weather warnings and alerts (colored) across the United States for January 13. National Weather Service. In its most-recent update, released on Saturday at 3: ...