The latest outlook through August shows where peak summer heat may be in the U.S., and also who might keep their cool, And, yes, El Niño may play a role.

Tornado sirens woke up people in Ann Arbor, Michigan, as severe storms and a now confirmed EF1 twister raked across the city early Wednesday. Massive trees crashed to the ground across the city. Roommates in one house say they’re feeling pretty lucky after a tree smashed into their roof. Two Ann Arbor ice arenas were also damaged by the powerful winds. See the aftermath here.

Fresh snow after weeks of record heat, caused chaos in Colorado’s Rocky Mountains on Tuesday.

It's been a siege of severe weather this week. Another rash of storms is likely in some of the same areas hit earlier. Our latest forecast shows where tornadoes, hail and flooding rain could happen again.

The Milwaukee County Sheriff’s Office begged drivers to stay off the streets in southeast Wisconsin Wednesday night. Dozens of drivers had to be rescued after their cars, trucks and minivans got stuck in rising floodwaters. Even a tow truck driver said it was “really bad.” See it for yourself and learn why it could get worse before it gets better.