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...Dangerously hot conditions with heat index values of 105 to 110 expected. Low temperatures tonight and Saturday night will remain in the mid 70s to lower 80s, providing little relief from the heat. * WHERE...Renville, Blue Earth, Brown, Faribault, Martin, Nicollet, Watonwan, Redwood, Chippewa, Lac Qui Parle, and Yellow Medicine Counties. * WHEN...From noon today to 9 PM CDT Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events.