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Warm, humid Thursday on Long Island, with air-quality alert in effect

Long Island weather forecast for Thursday, June 11,

Long Island weather forecast for Thursday, June 11, 2015. Credit: Newsday/NWS

A second consecutive day of warm, humid conditions is in store for Long Island on Thursday, with a chance of showers and thunderstorms, the National Weather Service said.

Some of the storms could be severe but are expected after noon and again during the evening hours, the service's Upton office said in a special weather statement. There is a chance of damaging winds and heavy rain. Chance of precipitation is 30 percent.

News 12 Long Island meteorologist Rich Hoffman said the best chance of "scattered rain" is between 3 p.m. and 9 p.m.

"Not everyone will see wet weather," Hoffman said. "But when we get a storm there could be heavy rain and gusty winds."

Mostly, Nassau and Suffolk counties can expect a sunny Thursday, with highs in the low to mid 80s and southwest winds 9 to 15 mph.

And muggy. The humidity prompted the service to issue an air quality alert for Long Island from 10 a.m. to 10 p.m. Thursday.

The Air Quality Index on Thursday for Long Island is 101; index ratings higher than 100 mean levels of different air pollutants can have adverse health effects for those with respiratory issues, including asthma.

Hoffman said the nighttime forecast calls for partly cloudy skies with lows in the mid 60s.

A mix of sun and clouds returns Friday, with daily highs in the low 80s and a slight chance of late-day showers or thunderstorms.

The weekend continues the pattern of warm, humid weather with chances for showers and storms later in the day.

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