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.

* WHAT...For the Heat Advisory, heat index values up to 99 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up 105 to 110 likely. Low temperatures tonight and Saturday night will remain in the mid 70s to lower 80s, providing little relief from the heat. * WHERE...Kandiyohi, McLeod, Meeker, Sibley, Freeborn, Le Sueur, Waseca, Stevens, and Swift Counties. * WHEN...For the Heat Advisory, from 2 PM this afternoon to noon CDT Saturday. For the Extreme Heat Warning, from noon Saturday to 9 PM CDT Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.