The National Weather Service issued a winter storm warning on Saturday for parts of eastern Idaho.

Parts of Idaho looked like the Arctic on the first full weekend of summer when torrential thunderstorms and hail flooded the ...

A rare late-June snowstorm could bury the mountain roads to Yellowstone, Grand Teton, and Glacier under up to 8 inches of wet ...

The rare and unseasonal snow has fallen across some parts of the United States on Sunday, ahead of the July 4th holiday.

A second late-season winter storm is set to slam Colorado highways this week, with the Weather Prediction Center forecasting 11 or more inches of snow and strong winds. A late-season storm is forecast ...