* WHAT. Heat index values 95 to 100 degrees expected. * WHERE. Eastern Albany, Eastern Greene, Eastern Schenectady, Southern Saratoga, Western Columbia, and Western Rensselaer Counties. * WHEN. From 11 AM this morning to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values 95 to 100 degrees expected. * WHERE. In Connecticut, all of Litchfield County. In New York, Eastern Ulster County and all of Dutchess County. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

One or multiple rounds of showers and thunderstorms are expected to develop this afternoon and evening across eastern New York and western New England. Thunderstorms will begin to develop across the southern Adirondacks and western Mohawk Valley around 2 pm and push eastward into New England ending by around 8pm. All hazards are possible including large hail, damaging winds and a tornado. Heavy downpours are possible as well which could result in some localized flooding. Stay weather aware today and have a way to receive warnings if storms threaten your location.

* WHAT. Heat index values up to 100 degrees expected. * WHERE. Eastern Albany, Eastern Greene, Eastern Schenectady, Southern Saratoga, Western Columbia, and Western Rensselaer Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 98 degrees expected. * WHERE. Montgomery County. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100 degrees expected. * WHERE. In Connecticut, Litchfield County. In New York, Dutchess and Eastern Ulster Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

The New York State Department of Environmental Conservation at Albany has issued a Air Quality Health Advisory for Ground Level Ozone. until 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an air quality index value of 100 for Ground Level Ozone. The air quality index. or AQI. was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated. the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young and those with pre existing respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 800-535- 1345.

The New York State Department of Environmental Conservation at Albany has issued a Air Quality Health Advisory for Ground Level Ozone. until 11 PM EDT this evening. Another Air Quality Alert is also in effect from 11 AM Sunday until 11 PM Sunday. Air quality levels in outdoor air are predicted to be greater than an air quality index value of 100 for Ground Level Ozone. The air quality index. or AQI. was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated. the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young and those with pre existing respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 800-535- 1345.