DES MOINES — The late-summer heat wave that began over the weekend isn’t going away early this week.

The National Weather Service in Des Moines has issued a Heat Advisory for portions of southeast Iowa today – including Appanoose, Mahaska, Marion, Monroe, and Wapello Counties – from 1pm to 8pm. And the National Weather Service in the Quad Cities issued an Excessive Heat Warning for portions of southeast Iowa, including Keokuk County, from 11am to 8pm.

Heat index values of anywhere from 105 to 115 are expected in the listening area today. Little relief from the heat is anticipated Monday night with temperatures only dropping into the mid to upper 70s. Another day of oppressive heat is forecast on Tuesday.

The NWS says you should drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.