Drowning in a rip current is the third leading cause of weather-related death, claiming more US lives than hurricanes and tornadoes, but there are steps you can take to lower the risk
Minnesota has already set a record for the number of days with poor air quality, and persistent wildfires over Canada will mean episodes of thick smoke the rest of the summer.
There is no such thing as "safe sunshine" and data shows it only takes a few cases of blistering sunburn to dramatically increase your risk of skin cancer.
Residents of the Northland are much more acclimated to extreme cold than extreme heat, but NOAA's data set shows that it's the heat we should be more worried about.