<p>A flood advisory is possible in Nassau County&nbsp;with an increased chance of heavy showers and thunderstorms.&nbsp;NewsdayTV&nbsp;meteorologist Geoff Bansen has the forecast.</p>


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LI Weather: Heavy rain and thunderstorms expected today

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Newsday

Flood watch in Nassau

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ENVIRONMENT & CLIMATE CHANGE

Environment & Climate Change

The Town of Oyster Bay and Northrop Grumman are locked in a dispute over the extent of the plan to clean up Bethpage Community Park. NewsdayTV's Virginia Huie reports.

'No reason for us to believe any area is safe unless tested'

Liberty Water has applied to raise rates in three of the areas it serves on Long Island. NewsdayTV's Andrew Ehinger reports.

'Right now, we don't have any other choice'

A nationwide survey of lakes, rivers and creeks found toxic PFAS compounds in every location tested on Long Island — 13 in all. NewsdayTV's Shari Einhorn has more.

'How do we get rid of all these chemicals?'

Some of the largest water consumers in Suffolk are commercial customers. NewsdayTV's Shari Einhorn has more.

'Conservation is a shared responsibility'

Dozens of Long Island teachers received a tour of three wind farms on Saturday, including South Fork Wind, located about 35 miles from Montauk. Newsday energy reporter Mark Harington has more.

'This is not a farce'

Marine life experts said two juvenile humpback whales became stuck due to sandbars created in last month's nor'easter. NewsdayTV's Ken Buffa has more.

2 whales stranded on LI

A Newsday/Siena poll found that contamination of drinking water was a top concern among Long Island voters. NewsdayTV's Andrew Ehinger reports.

'Something that's top of mind today'

Long Islanders have experienced both savings and challenges from PSEG's time-of-day rates. Newsday energy reporter Mark Harrington has more.

Impact of PSEG's time-of-day rates

According a new report from the Rockefeller Institute there are nearly 13,000 service lines identified in the county so far. NewsdayTV's Shari Einhorn has more.

'I wouldn't want it in my home'

The coast was hit hard this weekend after a nor'easter swept through Long Island, NewsdayTV's Virginia Huie reports.

'You can't mess with Mother Nature'

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Thunderstorms with heavy rain have caused record flooding in two towns straddling the Georgia-Tennessee border.

Heavy rains cause flash flooding, water rescues on Georgia-Tennessee border

<a href="https://www.newsday.com/video/newsdaytv-top-stories">Get more on these and other NewsdayTV stories</a>

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