A NOAA weather satellite known as GOES-17 is prepared for launch in 2018. The satellite continuously measures weather conditions for an area that includes the West Coast of the United States.

Heat wave forecast maps "Summer has taken its time arriving in the Northeast, but it's coming in HOT," the National Weather Service wrote in a social media post last week, warning of triple-digit ...

Fourth of July forecast The weather will be clear and dry in the Great Lakes region and Northeast and most of the West on the Fourth of July, AccuWeather reported. Heat and humidity with ...

If you’re struggling to get an accurate forecast, it might not be your weather app’s fault. A number of geographic features, such as large bodies of water and the interplay between global ...

CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

For at least half a century, the National Weather Service has been an around-the-clock operation. That is no longer possible in parts of the country.