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Long Island weather: Another summerlike day before rain from Michael

Possible heavy rains from Hurricane Michael are expected

Possible heavy rains from Hurricane Michael are expected Thursday on Long Island, forecasters said. Credit: National Weather Service

Wednesday is looking to unfold as yet another October day that’s more like summer than fall, forecasters said.

A cool down comes for the weekend. And in between we get some possibly heavy rain Thursday associated with Hurricane Michael, which makes landfall Wednesday on the Florida Panhandle and by Thursday will be moving over Georgia and the Carolinas.

Wednesday starts out with areas of fog and an early morning low temperature for the day in the upper 60s, the National Weather Service said. And, yes, the low is warmer than the normal high for the day at Long Island MacArthur Airport in Ronkonkoma, which is 65 degrees. As for the normal low, that’s 47 degrees.

The highs will be in the mid-70s Wednesday. "It almost feels like August around Long Island," said News 12 Long Island meteorologist Rich Hoffman.

Accounting for this is high pressure off the East Coast that “will continue to provide warm and humid conditions,” the weather service said. Already, as of day-end Tuesday, October was averaging 9.6 degrees above normal.

Then, a cold front approaches, bringing chances for showers, with rain and a possible thunderstorm developing Thursday. Moisture from what will then be Tropical Storm Michael will get pulled north along the front for the afternoon and evening hours, the weather service said. That’s when rain is expected to be heavy at times.

About an inch to an inch and a half of rain is forecast, higher for some spots.

The weather service warned of dangerous seas off the South Shore, as well, saying in a hazardous weather outlook: "South winds ahead of an approaching cold front may briefly gust to minimal gale force late Thursday afternoon."

After Thursday stays in the mid-70s, temperatures take a step down, with highs in the mid-60s for Friday and low 60s for the weekend.

That’s as the "cold front brings a chill for the weekend," Hoffman said. 

Chances of showers Friday morning give way to some sun, the weather service said, as Saturday brings mostly sunny skies with chances of afternoon showers. Mostly sunny skies are expected on Sunday.

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