A powerful winter storm bringing heavy snow and rain has moved into the Northeast, causing last-minute travel issues as millions of people in the U.S. gather with family and friends on Thanksgiving to celebrate the holiday.

The storm’s impacts are widespread, stretching from New England and the Northeast through the mid-Atlantic to the Southeast, where there is a chance of severe weather and possible tornadoes during the day on Thanksgiving.

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Where does the heaviest snow fall on Thanksgiving?

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Heavy snow has broken out in the Inland Northeast and winter weather is expected to continue to fall and build during the day and into Thursday night. This will slow travel on roads and highways to and from Thanksgiving Day gatherings.

This image shows snow falling along I-84 at Exit 17 in Pennsylvania on Thursday, November 28, 2024.

(PA511 / FOX Weather)

The FOX Forecast Center said the highest snowfall totals are expected in the higher terrain in the interior of the Northeast.

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This includes the Catskills, the Poconos, the Adirondacks, and the Green and White Mountains.

Up to a meter of snow could fall on the highest peaks, while valley areas will struggle to see more than an inch or two of snow accumulation due to warmer temperatures at the surface.

This image shows snow falling along I-380 at Exit 24 in Pennsylvania on Thursday, November 28, 2024.

(PA511 / FOX Weather)

The snow will have a major impact on holiday travel, with major highways such as Interstate 90, Interstate 87, Interstate 91 and Interstate 93 all experiencing hazardous conditions during the day.

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Winter weather warnings have been issued across the region due to the Thanksgiving winter storm in the Northeast.

Winter storm warnings and winter weather advisories are in effect for parts of New York, Vermont, New Hampshire and Maine, with the majority remaining in effect until at least Black Friday.

This image shows snow falling along I-84 at Exit 8 in Pennsylvania on Thursday, November 28, 2024.

(PA511 / FOX Weather)

South of the heavy snow, rain has broken out in areas of the Northeast and New England that are closer to the coast, including the I-95 corridor in cities such as Boston, New Haven, Connecticut, New York City and into Philadelphia. .

The rain is also starting to move further south toward the mid-Atlantic in cities like Baltimore and Washington, and is expected to impact daytime air traffic at some of the nation’s busiest airports.

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The Southeast and parts of the Mid-Atlantic are also feeling the effects of the winter storm, but these impacts come in the form of a severe weather threat.

The FOX Forecast Center said a line of thunderstorms associated with the winter storm will develop during the day on Thursday, and some of them could become severe.

NOAA’s Storm Prediction Center (SPC) has highlighted areas from New Orleans and the Gulf Coast to the Southeast where the threat of storms is greatest.

As a result, the SPC placed more than 18 million people at a Level 1 of 5 risk for severe weather on the 5-point risk scale for severe thunderstorms.

The biggest threats will be thunderstorms that could produce damaging winds, but there is also the chance of a tornado or two.

Make sure you download the free one FOX Weather App and enable notifications to notify you of any changes in the weather forecast or severe weather in your area.