Sachem (11719) Daily Weather Forecast

Possible Thunderstorms, Torrential Downpours Prompt Flood Watch For LI

A Flood Watch will be in effect from 2 p.m. Tuesday, until 2 a.m. on Wednesday, the National Weather Service says.

Long Island Weather: Powerful Storms To Snap Heat Wave

Powerful storms Monday will (finally) break the heat wave.

Nearly 12,000 Without Power On LI As Summer Thunderstorms Strike

BREAKING

Severe Thunderstorm Warning Issued For Parts Of Suffolk County

BREAKING

Snow Could Make Mess Of Wednesday Morning Commute

See the latest snow total estimates for the island.

Brookhaven Town Urges Caution, Closes Facilities

Offcials are asking residents to stay safe by staying off of the roads this weekend "unless it is absolutely necessary."

Blizzard Warning For Suffolk County: What It Means

Whiteout conditions are likely with wind gusts up to 60 mph lashing the county Saturday.

Town-By-Town LI Snow Estimates: Near-Blizzard Conditions Possible

There remains "high uncertainty" with the storm's track, but it's clear the island will see considerable impacts this weekend.

Winter Weather Advisory Issued For Long Island

BREAKING: Snow total estimates for Thursday have risen for the island.

Here's How Much Snow Fell In Lake Ronkonkoma

Check out the snow totals for nearby.

LI Snow Total Estimates On The Rise For Friday Storm

It may be time to go find that shovel.

Severe Thunderstorm, Flash Flood Warnings Issued For Suffolk

BREAKING: Historic flooding is unfolding across the region tonight. More than 7,000 LI PSEG customers are without power.

LI Town-By-Town Snow Totals So Far; How Much More Is Coming

Nearly 250 crashes were reported on the island Thursday as snow created havoc on the roadways.

Town-By-Town LI Snow Totals For Sunday's Storm

The National Weather Service has reported unofficial snow totals for many Long Island towns from Sunday's storm.

LI Snow Totals So Far, How Much More Is Coming, 2K+ Power Outages

Coastal flooding a major concern tonight. "These water levels have not been seen in a couple of years."

Final Town-By-Town LI Snow Totals; 74 MPH Wind Gust Recorded

The National Weather Service has released final snow totals for many Long Island towns. Do they look accurate to you?

Long Island Weather: Latest Snow Total Estimates, Storm Timeline

See the latest town-by-town snow estimates and when we can expect it to begin falling.

Hour-By-Hour Nor'easter Forecast For Long Island

Power outages are possible Saturday.

LI Weather: Severe Thunderstorm Warning; 60 MPH Winds Possible

Stay indoors if possible, the weather service says.

Wind Advisory Issued For Long Island

See the latest forecast.

Severe Thunderstorm Watch Issued For Long Island

Hail the size of ping pong balls is possible. See the latest forecast.

Nearly 100,000 Without Power On LI; 78 MPH Wind Gust Recorded

Trees and wires are down all over the island. Long Island Rail Road service has been suspended systemwide.

Hurricane Isaias: The Latest Potential Impacts, Timeline For LI

A hazardous weather outlook has been issued for Long Island as impacts from Isaias become more likely.

Heat Index Could Top 100 Degrees On Long Island

A heat advisory has been issued for most of the island.

Hazardous Weather Outlook Expanded For Long Island

If you have outdoor plans this weekend, make sure to keep an eye to the sky and be ready to seek shelter, the National Weather Service says.

Long Island Weather: Severe Storms Possible Wednesday

Damaging wind gusts and hail are the main threats. An isolated tornado can't be ruled out, the National Weather Service said.

Hazardous Weather Outlook Issued For Long Island

Damaging winds, large hail and even an isolated tornado are possible Friday.

LI Weather: Hour-By-Hour Forecast Of Damaging Wind, Heavy Rain

Waves up to 16 feet high will slam the Long Island beachfront. See when the worst of the weather is expected.

Wind Chill Temps Heading Below Zero

The temperature will remain below freezing the entire day Saturday.

Arctic Blast Headed To LI, Major Cool Down Coming

Temperatures will fall off a cliff from today to tomorrow night. But will the winter-like weather last?

Thousands Lose Power On Long Island; Winds Gusting To 65 MPH

BREAKING: A high wind warning is in effect for the entire island. See which areas are being hit hardest with power outages.

Snow Possible For Long Island This Week

See when we may see some snow, something that's been rare so far this winter.

Weather Whiplash: 60 Degrees, Then Accumulating Snow On LI

It's going to be a wild weather week on the island. See when snow may impact your morning commute.

Winter Storm Nears: What To Expect On Long Island

The first accumulating snow of the season is likely to fall Sunday and Monday on the island. See the latest snow total estimates.

Hazardous Weather Outlook Issued For Long Island

See the latest from the National Weather Service.

First Chance Of Snow Sneaks Into Long Island Forecast

The s-word has entered the forecast.

Long Island Winter Forecast 2019-2020 Released By NOAA

The National Oceanic and Atmospheric Administration released its winter forecast for the upcoming season and the predictions may shock you.

Bomb Cyclone To Bring Wild Weather To Long Island

The storm could create an unpleasant evening commute Wednesday and lead to power outages as winds intensify overnight. Here's the latest.

Hazardous Weather Outlook Issued For Long Island

Some nasty weather is heading our way.

Severe Thunderstorm Watch Issued For Long Island

See the potential impacts and when to expect the worst of the weather.