Severe weather could knock Oregon and Washington with winds over 60 miles per hour and hail larger than golf balls.

A huge storm system crossing the U.S. threatens to ... Missouri and Arkansas carry the added risk of fires being started by lightning with minimal rainfall to impede them. More than half of ...

Well, by definition, all thunderstorms produce lightning, but we don’t use that as a precursor for a warning,” he says. “If we did, we’d be issuing warnings for every thunderstorm.

Experts say it's not unusual to see such weather extremes in March, when emerging spring warmth and lingering winter cold create big temperature differences for storms to thrive. “If there’s a ...

A huge storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the northern Plains and dry, gusty conditions in Texas and Oklahoma that pose an ...