Good Morning Everyone, A prolonged period of heat and humidity is likely Saturday through Tuesday. The worst of the heat and humidity is expected on Sunday and Monday when heat advisories will likely be needed, especially in the Connecticut Valley and portions of eastern Massachusetts into Rhode Island. Heat indices will reach mid/upper 90s Sunday, peaking around 100 degrees Monday. Low temperatures overnight will be in the 70s. We have attached the latest Heat Index forecasts for Saturday through Tuesday. If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat <https://nwschat.weather.gov/>, or by phone at 508.622.3280. Thanks, Kevin Cadima If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat <https://nwschat.weather.gov/>, or at the following: National Weather Service Boston/Norton, MA 46 Commerce Way Norton, MA 02766 508.622.3280 Website <http://www.weather.gov/boston> | Facebook <http://www.facebook.com/NWSBoston> | Twitter <http://www.twitter.com/NWSBoston>