Severe Thunderstorm Warning News

Environment and Climate Change Canada has updated its warning system for tornadoes and severe thunderstorms to provide more precise alerts about severe weather.

A powerful lightning storm struck parts of San Diego County late Thursday, prompting the National Weather Service to issue a severe thunderstorm warning.

Residents of Sioux Falls, South Dakota, feared a tornado amid a severe thunderstorm warning from the National Weather Service, with chilling videos emerging fro