* WHAT. For the Heat Advisory, heat index values up to 95 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 105 possible. * WHERE. Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN. For the Heat Advisory, from noon to 8 PM EDT Tuesday. For the Excessive Heat Watch, from Wednesday afternoon through Thursday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will result in greater cumulative heat stress.

* WHAT. Heat index values up to 98 expected. * WHERE. Kennebec, Southern Somerset, and Southern Franklin Counties. * WHEN. From noon to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the Heat Advisory, heat index values up to 99 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 106 possible. * WHERE. Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN. For the Heat Advisory, from noon to 8 PM EDT Tuesday. For the Excessive Heat Watch, from Wednesday afternoon through Thursday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will result in greater cumulative heat stress.