National Weather Service United States Department of Commerce

Storm system to bring winter weather from the Plains to New England through Monday

A storm system spinning over the central U.S. will set the stage for a widespread precipitation event across the central and eastern U.S. through Monday. A wide swath of accumulating snow will extend from Nebraska to New England. Just to the south of this area of snow, marginal temps will lead to the possibility of a transition zone of sleet and freezing rain.
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Hazardous Weather Conditions

Current Conditions

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Willow Grove, Naval Air Station PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Tonight

Increasing Clouds

Increasing
Clouds

Low: 14 °F

Sunday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Sunday
Night

Wintry Mix Chance for Measurable Precipitation 100%

Wintry
Mix

Low: 29 °F

Monday

Wintry Mix Chance for Measurable Precipitation 90%

Wintry
Mix

High: 34 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 5 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 20 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 10 °F

Wednesday

Mostly Cloudy

Mostly
Cloudy

High: 38 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 19 °F

Detailed Forecast

  • Tonight Increasing clouds, with a low around 14. West wind 3 to 8 mph.
  • Sunday A chance of snow, mainly after 3pm. Cloudy, with a high near 33. West wind 3 to 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Sunday Night Snow and sleet before midnight, then snow between midnight and 4am, then rain or freezing rain after 4am. The rain, freezing rain, and snow could be heavy at times. Low around 29. Light southeast wind becoming east 6 to 11 mph in the evening. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
  • Monday Rain or freezing rain before 1pm, then snow likely. The freezing rain could be heavy at times. High near 34. East wind 11 to 15 mph becoming north in the afternoon. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
  • Monday Night A chance of snow before 7pm. Partly cloudy, with a low around 5. Northwest wind 11 to 17 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Tuesday Mostly sunny, with a high near 20.
  • Tuesday Night Partly cloudy, with a low around 10.
  • Wednesday Mostly cloudy, with a high near 38.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
  • Thursday Partly sunny, with a high near 25.
  • Thursday Night Partly cloudy, with a low around 2.
  • Friday Mostly sunny, with a high near 22.
  • Friday Night Partly cloudy, with a low around 7.
  • Saturday Mostly sunny, with a high near 29.