More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and diminished air quality in parts of Canada and the U.S.

Tornadoes are one of the most violent and destructive forces on Earth reaching speeds in excess of 200 miles per hour. Sometimes, tornadoes can clear a path a mile wide and travel more than 50 miles.

Today. Mostly sunny, breezy, and hot and humid. Heat index values around 103°. Record high of 96 set back in 1988. Wind: S 15, with gusts up to 30 MPH.

Today. Mostly sunny, breezy, and hot and humid. Heat index values around 103°. Record high of 96 set back in 1988. Wind: S 15, with gusts up to 30 MPH.