* WHAT. Heat index values of up to 95 degrees. * WHERE. Western Greene, Western Ulster, Hamilton, Northern Fulton, and Northern Herkimer Counties. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 95 to 104 degrees. * WHERE. Portions of northwestern Connecticut, western Massachusetts, eastern New York, and southern Vermont. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Highest heat indices are expected at elevations below 1000 feet. If coverage of heat indices in excess of 105 degrees increases, then upgrades to excessive heat warnings may be needed.

* WHAT. Widespread heat index values up to 100 with localized heat index values up to 105. * WHERE. All of Vermont and northern New York. Hottest conditions will be in portions of the Champlain Valley. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

At 356 PM EDT, Doppler radar was tracking a strong thunderstorm near Grafton, or 7 miles southwest of Hoosick Falls, moving east at 15 mph. HAZARD. Wind gusts up to 50 mph and half inch hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Hoosick Falls, Grafton, Hoosick, Pittstown, Hoosick Junction, Petersburg Junction, Quackenkill, East Hoosick, Babcock Lake, Tamarack, Petersburg, Factory Hollow, Haynersville, East Pittstown, Raymertown, Southwest Hoosick, Potter Hill, West Hoosick, Stillham, and North Hoosick.

* WHAT. Heat index values up to 100. * WHERE. All of Vermont and northern New York. Hottest conditions will be in portions of the Champlain and Connecticut River valleys. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 95 to 104 degrees. * WHERE. Portions of northwestern Connecticut, western Massachusetts, eastern New York, and southern Vermont. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Highest heat indices are expected at elevations below 1000 feet.

* WHAT. Heat index values up to 95 degrees. * WHERE. Western Greene, Western Ulster, Hamilton, Northern Fulton, and Northern Herkimer Counties. * WHEN. Until 8 PM EDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.