Extreme heat forecast: What to expect as heat wave hits Midwest, Northeast

 

A dangerous heat wave is bringing prolonged extreme heat to the Midwest, the South and the East Coast this week.

The heat started in the Midwest, where extreme humidity levels are rivaling the Amazon rainforest,Chicago activated cooling centers throughout the city, including at community service centers, senior centers, libraries, city colleges and police districts. Chicago Public Schools said all summer programming will be inside through Wed

On Wednesday, the dangerous heat expands from the Midwest and the South into the Northeast.

The heat index -- what temperature it feels like with humidity -- is forecast to soar to 104 degrees in Chicago, 109 in Detroit, 104 in New York City, 107 in Philadelphia, 108 in Washington, D.C., and 111 in Nashville, Tennessee.

Amtrak warned that some trains may operate with reduced speeds Wednesday through Saturday due to the heat advisories in the Northeast, Southeast and Midwest. Amtrak noted that this could cause delays from 11 a.m. through 7 p.m. on those days.

On Wednesday, the dangerous heat expands from the Midwest and the South into the Northeast.

The heat index -- what temperature it feels like with humidity -- is forecast to soar to 104 degrees in Chicago, 109 in Detroit, 104 in New York City, 107 in Philadelphia, 108 in Washington, D.C., and 111 in Nashville, Tennessee.

Amtrak warned that some trains may operate with reduced speeds Wednesday through Saturday due to the heat advisories in the Northeast, Southeast and Midwest. Amtrak noted that this could cause delays from 11 a.m. through 7 p.m. on those days.