Storms don’t wash pollen away—they burst it into tiny pieces. Here's how it can lead to "thunderstorm asthma." ...

Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) — Spring thunderstorms are expected to build across western Oregon during the early evening hours on Friday.

It’s been feeling like spring lately, and tonight we’ll have a chance for springtime thunderstorms. Today will otherwise be a warm and windy day. Rain and storms look likely through the day on ...

While climate change is causing earlier springs, there is no evidence yet of an increase in strong tornadoes in Michigan.

PORTLAND, Ore. (KOIN) — Spring thunderstorms are expected to build across western Oregon during the early evening hours on Friday. Mostly cloudy skies will start the day off around Portland on Friday ...