Heat index readings in the triple digits will blanket the Ozarks today all the way through Saturday.

A heat advisory is in effect this afternoon and evening for most of southern Missouri.

Heat index values of 102 to 109 degrees are expected each afternoon through Thursday and possibly even into the weekend. This prolonged period of excessive heat will lead to an increased risk of heat related illnesses. #mowx #kswx pic.twitter.com/xTP2csoxw1

— NWS Springfield (@NWSSpringfield) July 27, 2021

A heat advisory will be in effect Wednesday and Thursday for the entire KTTS listening area.

Heat index readings could be as high as 109 degrees in some places.

Heat index values of 102 to 109 degrees are expected each afternoon through Thursday and possibly even into the weekend. This prolonged period of excessive heat will lead to an increased risk of heat related illnesses. #mowx #kswx pic.twitter.com/xTP2csoxw1

— NWS Springfield (@NWSSpringfield) July 27, 2021