...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY... * TEMPERATURE...High temperatures will reach the mid 90s Sunday afternoon and will combine with humid conditions to bring afternoon heat index values into the 103 to 106 degree range. * IMPACTS...Heat-related illnesses are possible for those spending a prolonged amount of time outdoors or those who are more susceptible to heat, such as young children and elderly. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Excessive Heat Warning means that a prolonged period of dangerously hot weather is expected, during which heat illnesses are likely. Stay in an air-conditioned building and check up on relatives and neighbors. Postpone any non-essential outdoor activities planned during the midday and afternoon. If outdoor activities are necessary, drink plenty of water, wear light and loose fitting clothing, reduce strenuous activities, and take frequent breaks. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 9 1 1. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.