A record-high temperature could be set today in Coffeyville.

A heat advisory will be in effect for the entire four-state area this afternoon and evening. The heat index in Coffeyville is expected to make it to 106 with an actual temperature of 99, which could break the current record of 98 set on this day in 2022. A heat index up to 111 is possible for parts of northeast Oklahoma and northwest Arkansas. The National Weather Service reminds anyone working outside to take frequent breaks and drink plenty of water. It's also a good idea to check on those without air conditioning and the elderly. This early-summer heat wave is expected to continue through tomorrow evening.