Hot temperatures are expected on Monday across the area. High temperatures up to 103 degrees are expected in the Treasure Valley, Upper Weiser River, and Malheur County, and up to 100 degrees in the Magic Valley, Southern Twin Falls County, and Southwest Highlands. A Heat Advisory is in effect for these areas. Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals. Warm overnight temperatures will limit recovery. Precautionary/preparedness actions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 911.