Extreme weather conditions from coast to coast put more than half the U.S. in the path of rough conditions. Airport delays and cancellations piled up Monday in some of the nation’s largest airports, with more than 4,700 canceled across the U.S. Many schools closed early in the mid-Atlantic states, where high winds were in the forecast. Blizzards buried parts of Michigan, Wisconsin and Minnesota while torrential rains flooded homes and washed out roads in Hawaii. California and Arizona are dealing with unusually high temperatures for this time of year that are likely stretch throughout the rest of the week. Phoenix is expected to have five straight days of triple digit temperatures this week.

Tornadoes have killed at least two people in northwest Indiana and leveled buildings in Kankakee, Illinois. The Newton County Coroner's Office on Wednesday identified an elderly couple killed in their Lake Village, Indiana home as Edward and Arlene Kozlowski. A volunteer fire department says less than 10 people were injured in Tuesday's storms. In Illinois, the Kankakee County Sheriff’s Office says a tornado caused extensive damage in the small suburb of Aroma Park, uprooting trees, shattering windows, tearing off roofs and smashing vehicles. Parts of Illinois, Indiana, Kentucky and Ohio remain under tornado watch Wednesday.

Officials say several tornadoes have torn through parts of Illinois and Indiana, downing trees and power lines in an area south of Chicago and overwhelming the 911 center with emergency calls. The Kankakee County Sheriff’s Office says a tornado struck down near the Kankakee fairgrounds before traveling northeast into Aroma Park, where it caused extensive damage. In video shared on social media, the twister is seen ripping across a field of farmland near an airport while cars lined the road. The National Weather Service says severe storms were threatening to bring intense tornadoes, damaging winds and very large hail from the southern Plains to the southern Great Lakes.

Authorities in southern Michigan have searched through rubble and debris in the aftermath of suspected tornadoes that killed four people during powerful storms also blamed for two deaths in Oklahoma. First responders were in the Union Lake area Saturday looking for more possible victims and clearing debris. Authorities say three people were killed and 12 were injured during Friday's storms in the Union Lake area. The National Weather Service has confirmed a strong tornado there. Officials say suspected tornadoes also killed a 12-year-old boy in Cass County, Michigan, and two people in eastern Oklahoma. Tornado confirmation is pending in those areas.