GRAND RAPIDS — We'll be experiencing April showers before you know it, which means thunderstorms are in our future. But have you ever stopped to wonder how thunderstorms happen? Our Candace Monacelli ...

MISSOULA, Mont. — Western Montana is moving into peak thunderstorm season, and storms can move in quickly, producing very heavy rain, frequent lightning, gusty winds and even some occasional large ...

FARGO — Sometimes thunderstorms weaken at sunset and sometimes they don't even form until well after midnight. The difference is the mechanism. Thunderstorms get much of their energy from the release ...

Imagine driving on a partly cloudy, hot summer day. Everything is calm until loud splashes hit your windshield. In a matter of seconds, your windshield is covered before you can turn your wipers on.

The right mix of hot, humid, rising air can produce some of the most powerful weather phenomena on the planet. How do harmless puffy white clouds grow into towering, potentially dangerous cumulonimbus ...