A messy stretch of weather is ahead for southern Montana and northern Wyoming. From snow and cold temperatures through a ...

Add Yahoo as a preferred source to see more of our stories on Google. A major pattern shift is expected next week as a large dip in the jet stream parks over the West, allowing storms to originate ...

CHICOPEE, Mass. (WWLP) – A tornado outbreak has left at least six people dead and caused significant damage as severe weather moved from the South to the Midwest. The storms occurred in early March, a ...

When you flip the thermostat down on a sweltering afternoon, you might not think about what's happening five or six miles above your head. Yet the behavior of high-altitude winds called jet streams is ...

Scientists are using studies and computer models to draw connections between recent extreme weather and climate change. The ...