The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high temperatures.

At least nine states along the East Coast faced summer swelter on Monday, and the steamy weather is expected to persist on ...

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Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United States.

The best grass seed for northeast states yields a lush, green lawn. We did the research to bring you a list of top picks.

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Some states in the Southeast are under a freeze warning tonight as temperatures could drop to 23 degrees.

High temperatures across the Plains, Midwest, mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal ...

The Northeastern U.S. is experiencing ongoing drought conditions, which is helping to fuel an uptick in fire danger. An elevated fire weather outlook was issued Friday by the National Weather ...

At the time of writing, wildfires in Canada and prevailing winds were transporting a significant amount of smoke into the Interstate 95 corridor of the northeastern United States.

Orange dots in the map below show communities that received more than a foot of snow. A National Weather Service map shows where the most snow had fallen as of Tuesday afternoon.