Damaging winds, large hail and a few tornadoes will also be possible with these storms.Elsewhere, wildfire smoke from Canada continues to blanket the Midwest, prompting alerts for millions for dangerous breathing conditions.

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the Midwest and worsening air quality, with conditions particularly bad on August 1 in Minnesota, Iowa and Illinois.

Smoke from the Canadian Wildfire has caused an unhealthy air quality index rating in the Peoria area, and medical professionals are urging people at high risk to stay inside and filter the air in their homes.