Much of U.S. braces for extreme weather, from heat wave to possible snow

Next week's heat wave will ramp up Sunday in the centre of the country before spreading eastward, the National Weather Service said, with some areas likely to see extreme heat in reaching daily records.

After days of intense flooding in Florida, that state and many others are bracing for an intense heat wave, while the Pacific Northwest will experience unseasonably cold weather and the potential for late-season snow in the Rocky Mountains early next week. Read More