SOUTHERN ILLINOIS – Depending on where you are in southern Illinois, you will be under a Heat Advisory or an Excessive Heat Warning from 11 a.m. today to 8 p.m. Wednesday.

The National Weather Service in Paducah says the Heat Advisory is for Franklin, Gallatin, Hamilton, Hardin, Jefferson, Pope, Saline, and White counties. The Excessive Heat Warning is for Alexander, Jackson, Johnson, Massac, Perry, Pulaski, Union, and Williamson counties.

You can expect heat index readings of 105 to 110 degrees with locally higher readings of up to 115 degrees possible.

Heat related illnesses increase significantly during extreme heat and high humidity events.

You should drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. And if you can, bring your pets inside so they can stay cool, or if you can’t, make sure they have a shady spot outside with fresh water.