Whether you get your forecast from an app on your phone, a website or a meteorologist on TV, most of the underlying information comes from the federal government.
A major storm sweeps across the U.S., bringing severe weather conditions such as blizzards, wildfires and tornadoes. Blizzard warnings are in effect for Nebraska, Kansas, Missouri, Iowa and Minnesota.
Crews battled wildfires in North and South Carolina on Sunday amid dry conditions and gusty winds and evacuations were ordered in some areas.
The National Weather Service warned of increased fire danger in the region due to a combination of critically dry fuels and very low relative humidity.
Multiple people died Tuesday and at least a dozen were injured when a powerful tornado tore through a small Iowa town, carving a bleak landscape of destroyed homes, shredded trees and smashed cars.
Forecasters warned a wave of dangerous storms in the U.S. could march through parts of the South early Thursday, after deadly storms a day earlier spawned damaging tornadoes and massive hail.
Parts of Ohio, Pennsylvania, Kentucky, Mississippi, Alabama, Tennessee, West Virginia, Virginia and Georgia were under tornado watches, while Wisconsin was experiencing a spring snowstorm.
Police across the Northeast reported hundreds of traffic accidents over the weekend. Meanwhile, a separate storm will continue Monday across much of the Rockies, Plains and upper Midwest.
Rapidly moving Texas wildfires Tuesday prompted evacuations in small towns and shut down a nuclear facility as strong winds, dry grass and unseasonably warm temperatures fueled the blazes.