Michigan thunderstorms can cause widespread damage. What you should know about watches, warnings and when to take cover.

The National Weather Service said that heavy snow was expected in Montana, near Pryor and along the northern Bighorn Mountains.

A winter storm warning was issued by the National Weather Service ... A winter storm warning means snow, sleet or ice is expected, so take action. A winter storm watch means those conditions ...

The National Weather Service (NWS) has issued winter storm warnings ... of "impactful" winter weather during the warning period. Mist rises above ice floes on the Yellowstone River in Paradise ...

NORTHERN MICHIGAN — With high winds and low humidity, the National Weather Service has issued a Red Flag Warning ... leftover from the late-March ice storm should instead bring the debris ...