HIGH HEAT AND HUMIDITY EXPECTED THIS AFTERNOON AND EVENING AND MONDAY AFTERNOON AND EVENING... The combination of temperatures in the mid 90s and high humidity will result in heat index values 100 degrees or more through 6 pm and 90 degrees or more through 9 pm. The heat index will also exceed 100 degrees Monday afternoon. Take extra precautions if you work or spend time outside. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. Temperatures inside a vehicle can be significantly higher than outside, even with windows open. Make sure not to leave children or animals in the vehicle as they can be quickly overcome by the heat.