Devastating, life-threatening floods have already started in some states as an atmospheric river causes heavy rainfall.

A multiple-day severe weather and "generational" flash flooding threat is pummeling the Ohio, Tennessee and Mississippi ...

The National Weather Service has confirmed several EF4-strength tornadoes in outbreaks of severe weather this month, the most ...

Track the unfolding severe weather outbreak and life-threatening flooding with the latest radar, outlooks, alerts and storm ...

Sources and notes Tracking map Tracking data is from the National ... forecasts or observed rainfall totals are from the National Weather Service. The 1-day forecast is from the National Oceanic ...

Winter weather alerts were prompted in some 14 states on Monday as meteorologists warned of heavy snowfall and winds gusting up to 100 miles per hour in some areas.