Joel Petterson and Christine Hauser

What to Know About the Midwest’s Deadly Tornado and Storms

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.

Severe weather destroyed much of Greenfield, where officials were continuing search and rescue work. At least 35 people were injured.