A slight chance of rain and overcast skies are in the forecast Sunday afternoon into Monday on Long Island with more precipitation expected on Thanksgiving.

Sunday brings a slight chance of drizzle after 3 p.m. with a high in the mid-50s, according to the National Weather Service. That chance increases to 90% overnight with showers after 1 a.m., but with the low temperature only dropping a few degrees.

Monday starts in the upper 50s, but the temperature falls to the mid-40s during the day, according to the weather service. Rain is all but certain with the chance of precipitation at 90%.

Tuesday will be sunny with a high of 47 and a low at night of 37. Wednesday brings more clouds and a high of 54 before a 50% chance of showers at night with a low of 49, according to the weather service.

The chance of showers returns Thanksgiving Day and stands at about 50% with a high in the upper-50s and an overnight low about 45.

Friday and Saturday will be dry with highs in the mid-50s.

Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail. Credit: Anthony Florio; File Footage; Photo Credit: Newsday / James Carbone, John Paraskevas; AP / David Bookstaver, Clark County Sheriff's Office, Richard Drew, Mitchell Tapper, Don Ryan; Peconic River Sportsman’s Club / Kerry Goldberg

'He will be ... coming out of prison in a body bag' Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail.

Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail. Credit: Anthony Florio; File Footage; Photo Credit: Newsday / James Carbone, John Paraskevas; AP / David Bookstaver, Clark County Sheriff's Office, Richard Drew, Mitchell Tapper, Don Ryan; Peconic River Sportsman’s Club / Kerry Goldberg

'He will be ... coming out of prison in a body bag' Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail.

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