More than 1,000 tornadoes roar across the United States in an average year, causing billions of dollars in damage and killing scores of Americans. Track them here.

Storms bringing damaging winds and hail threaten the South and Midwest while winter weather hits Wyoming, impacting travel.

Severe weather is ramping up across parts of the U.S., with storms expected to develop over the next three days from the Plains to the Midwest and into the South. The Storm Prediction Center says ...