...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 100 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 105 possible. * WHERE...Western and Central Hillsborough, Merrimack, Strafford, Sullivan, Cheshire, Eastern Hillsborough, and Interior Rockingham Counties. * WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For the Extreme Heat Watch, from Monday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. &&