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NOTE: You have reached a previous forecast story for Winter Storm Juno. For the latest on this dangerous winter storm, click here for the current Winter Storm Juno forecast article.

This article is no longer being maintained. The information below was current as of 9 p.m. Sunday.

Blizzard warnings have been issued for parts of seven states in anticipation of Winter Storm Juno, which will be a major snowstorm for the Northeast Monday through Tuesday night, lingering into Wednesday morning. Parts of the region will see blizzard conditions and more than 2 feet of snow.

The high confidence in forecast wind and snowfall has led the National Weather Service to issue blizzard warnings well in advance of the storm. Those warnings stretch from parts of New Jersey all the way to Downeast Maine, including the cities of Boston, Providence, Hartford and Portland. The warnings go into effect as early as 1 p.m. Monday in the New York City area; the warnings for Downeast Maine begin in the wee hours of Tuesday morning. Most of the warnings are valid through late Tuesday night.

(MORE: Blizzard Facts and Myths )

At least 28 million people are under the blizzard warnings. An additional 11 million people are under winter storm warnings, mostly in areas adjacent to the blizzard warning zone.

Now is the time to prepare and make sure you have the supplies you need for this potentially historic winter storm. Do not proceed with any travel plans in the affected areas late Monday and Tuesday or you could put yourself in great danger.

Key Points:

Moderate-to-heavy snow likely from portions of the coastal Mid-Atlantic (New Jersey, eastern Pennsylvania) to New England.

Peak impacts late Monday through Tuesday night.

Widespread accumulations of 1 to 2 feet likely with some areas picking up over 2 feet.

Blizzard or near-blizzard conditions will make travel dangerous and impossible.

Flight cancellations, major delays and possible airport closures late Monday through Tuesday.

Damaging wind gusts and coastal flooding also possible.

Lighter snowfall from the Midwest to the central Appalachians and Mid-Atlantic Sunday into early Monday.

Note: Be sure to tune in to The Weather Channel Sunday night from 7-11 p.m. for "Winter Storm Juno: A Special Report."

Full forecast details and maps for Winter Storm Juno are below.

Juno: Snowfall Forecast

Winter Storm Juno is currently a modest clipper-type system bringing light to locally moderate snow accumulations across parts of the Midwest and spreading into the Mid-Atlantic states.

A widespread area of 1 to 3 inches of snow is likely over parts of northern Indiana and Ohio. Heavier totals of up to 4 or 5 inches are possible in a narrow corridor through central Ohio.

By far, the heaviest snowfall amounts from Juno are expected from eastern Pennsylvania and New Jersey to New England. As shown on our forecast map, here is what can be expected in the Northeast:

Washington, D.C. could see some light snow accumulations late Sunday night into Monday, but the heaviest amounts will likely stay to the north and west of the city.

More than 6 inches of snow could fall in the Philadelphia area, especially from the city east into southern New Jersey.

The New York City area is forecast to see a foot or more of heavy snow. Blizzard conditions are possible.

Parts of eastern and southern New England, including Boston , Providence, Rhode Island , and Portland, Maine , have the potential to see up to 2 feet of snow. Locally more than 2 feet of snow may fall, particularly in eastern Massachussetts. The snow will be accompanied by blizzard or near-blizzard conditions.

Snowfall rates of more than 2 inches per hour are possible during the peak of the storm Monday night into Tuesday.

(MORE: Expert Analysis | Winter Storm Central )

Juno: Storm Timing

Sunday Night: Snow or a rain/snow mixture sweeps from the Ohio Valley through the central Appalachians and into the Mid-Atlantic.

(FORECAST: Indianapolis | Cleveland )

Monday: Light to moderate snow from southern New York to the central Appalachians. A rain and snow mixture is expected near the I-95 corridor in Washington, D.C. By later in the afternoon, the storm will begin to crank up, causing snow intensity to increase from the coastal Mid-Atlantic northward to Long Island.

(FORECAST: Pittsburgh | Washington, D.C . | Philadelphia | New York )

Monday evening through overnight: Juno's peak impacts begin and continue through the overnight from parts of eastern Pennsylvania and New Jersey through New England. Snow and strong winds will create blizzard conditions, making travel very dangerous or impossible. Snowfall rates of 2+ inches per hour are possible along with thunder and lightning.

(FORECAST: Boston | Providence | Portland, Maine )

Tuesday: Peak impacts from Juno continue from New Jersey and eastern Pennsylvania to New England. Travel will continue to be dangerous or impossible. Intense snowfall rates continue through the morning.

Tuesday Night through Wednesday: Snow and wind continues in New England, winding down from south to north by Wednesday early morning.

Juno: Wind and Coastal Flooding Threats

Sustained winds will likely be 20 to 40 mph in a large area with gusts up to 50 mph. Even higher winds are expected in Cape Cod, Nantucket and Martha's Vineyard where gusts up to 70 mph are possible.

The winds from Juno will have three separate impacts:

1. As mentioned before, strong winds will combine with the snow to produce low visibility and blizzard or near-blizzard conditions Monday night through Tuesday.

2. The winds could also cause some tree damage and power outages from coastal northeast New Jersey to coastal parts of New England.

3. Finally, winds will pile up water from the Atlantic Ocean and result in coastal flooding in some areas. Moderate to locally major coastal flooding is possible in Massachusetts during the morning and afternoon hide tides cycles on Tuesday. A coastal flood warning has been issued for parts of eastern Massachusetts.

Stay tuned to weather.com and The Weather Channel for updates on Winter Storm Juno.

Juno was named by the winter storm naming committee at The Weather Channel on Sunday morning. The name Juno is from Roman mythology, a goddess who looked after the women of Rome.

Senior meteorologist Nick Wiltgen contributed to this report.

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