Extreme heat warnings return today and Tuesday

Dangerous heat and humidity will continue through the first half of the week, with the worst of the heat expected today and Tuesday.

The National Weather Service has issued extreme heat warnings for 15 states, including all of our own quad state region.

Peak heat index values between 110 and 116 are possible today. 

A heat advisory is already be in place with possible heat index readings of 108 before noon.

On Tueday night and Wednesday, an extreme heat watch will take over as heat indices again hit 110 in places.

The high heat and humidity could trigger heat-related illnesses for those who spend a lot of time in the sun.

Wednesday will also have a high temperature in the mid to upper 90s, but the heat could be tempered by a 50 percent chance of thundershowers through Wednesday night, Thursday and Friday.

Temperatures will finally return to normal at 89 on Thursday, then 84 on Saturday and Sunday.