A storm packing chilly air, wind, rain and even snow is starting the Memorial Day weekend in New England and part of the mid-Atlantic.
The pattern is similar to that of late March or early April.
The weather Saturday will be a downright nasty way to start the summer season from portions of northern New Jersey, eastern Pennsylvania and eastern New York state to northern New England with a wind-driven rain and temperatures in the 40s and 50s in many locations. A few spots will even get some snow.
The storm system responsible for severe weather and deadly tornadoes over the Plains earlier this week will give birth to a new storm over the Northeast as the holiday weekend begins.
A swath of localized thundery downpours developed from part of the Delmarva Peninsula and Pennsylvania northeastward to Maine Thursday evening.
The storm will squeeze a great deal of moisture from the atmosphere, while drawing additional moisture in from the Atlantic Ocean.
AccuWeather.com RealFeel® temperatures were hovering in the 30s over portions of Michigan, Ohio, New York, West Virginia and Pennsylvania at noon Friday.
According to Expert Senior Meteorologist Henry Margusity, "It is not entirely out of the question that it gets cold enough for the mountains of the Northeast, especially the highest elevations of the Adirondacks, Green and White mountains to get a slushy snowfall during part of the weekend."
Snowflakes have been spotted over the high ground in parts of western Pennsylvania and the southern tier of New York Friday.
According to Expert Senior Meteorologist Brett Anderson, "The period from Thursday to Sunday can bring 4 or more inches of rain to some locations with isolated incidents of flash and urban flooding."
Anderson is especially concerned about flooding in areas that have received rain earlier this past week.
The storm will slowly spin off to the northeast during the second half of the weekend with improving weather conditions. However, portions of New England may hold on to clouds, spotty rain and drizzle through Sunday and possibly into Monday morning. Clouds and thundershowers could roll eastward across part of the Ohio Valley into the southern Appalachians during Memorial Day.
Memorial Day is forecast to turn out sunny and seasonable for most other areas in the Northeast.
A word of caution for those who garden and have tender crops in the fields. Temperatures will dip to near freezing in parts of the Ohio Valley, eastern Great Lakes and central Appalachians Saturday night and Sunday night.
The chill this weekend will be replaced by a spell of hot weather starting during the latter part of the coming week.
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Storm Fionn, the sixth named windstorm of the season, is already lashing parts of Ireland and the United Kingdom and impacts are expected to continue into Wednesday.
While the weather pattern does not favor widespread heavy rain in the short term, the chance of rainfall does exist for Southern California into the fourth week of January.
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Snow and icy conditions will continue to cause travel concerns across the southern United States throughout the day on Tuesday.
Tropical Cyclone Berguitta will pass dangerously close to La Reunion and Mauritius from Wednesday into Thursday and could make a direct strike on the islands.
As temperatures plummet, snow, ice and a rapid freeze-up will pose hazards to travelers across the south-central United States into early Wednesday.
Cold air, gusty winds and wintry precipitation are expected across Germany into the middle of the week prior to the arrival of a potential windstorm.