Winter Weather

6 Hr Snowfall Forecast (thru 36 hrs)
Day 1-3 24 Hr Snow/Ice Probabilites
Day 1-3 Probabilistic
Snow/Ice Accumulation

Day 2 Snow/Ice Accum Prob

Day 3 Snow/Ice Accum Prob

Forecast Surface Low Positions
 
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Day 6-10 Min Temperature Outlook

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Day 6-10 Min Windchill Outlook
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Day 1-3 Probabilistic
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Last map update: Wed, Jan. 28, 2015 at 7:17:22 pm EST
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National Weather Service Philadelphia, PA
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Hazardous Weather Outlook
High pressure builds over the area tonight, then slides offshore Thursday. A storm system approaches from the west Thursday evening, then crosses the area late Thursday night and Friday morning, immediately followed by an arctic cold front. High pressure will be slow to build east from the Ohio Valley Friday night into Saturday, while low pressure continues to wrap up over the Canadian Maritimes. A weak cold front then moves through on Sunday. Low pressure moves out of the Mississippi Valley on Sunday, and then races east to off the Mid-Atlantic Coast on Monday. High pressure follows for Monday night into Wednesday.  See Full Discussion
 
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