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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Valley Forge PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 14 °F

Sunday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 34 °F

Sunday
Night

Wintry Mix Chance for Measurable Precipitation 100%

Wintry
Mix

Low: 29 °F

Monday

Wintry Mix Chance for Measurable Precipitation 80%

Wintry
Mix

High: 35 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 6 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 21 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 11 °F

Wednesday

Mostly Cloudy

Mostly
Cloudy

High: 39 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 19 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 14. Calm wind.
  • Sunday A chance of snow, mainly after 3pm. Cloudy, with a high near 34. Light and variable wind becoming west around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Sunday Night Rain, snow, and sleet before 4am, then rain between 4am and 5am, then freezing rain after 5am. The rain, freezing rain, and snow could be heavy at times. Low around 29. East wind 5 to 10 mph. 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 Freezing rain before 8am, then rain between 8am and 1pm, then a chance of snow after 1pm. The freezing rain could be heavy at times. High near 35. East wind 10 to 16 mph becoming north in the afternoon. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
  • Monday Night Partly cloudy, with a low around 6. Northwest wind 13 to 18 mph.
  • Tuesday Mostly sunny, with a high near 21.
  • Tuesday Night Partly cloudy, with a low around 11.
  • Wednesday Mostly cloudy, with a high near 39.
  • 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 26.
  • Thursday Night Partly cloudy, with a low around 3.
  • Friday Mostly sunny, with a high near 22.
  • Friday Night Partly cloudy, with a low around 8.
  • Saturday Mostly sunny, with a high near 29.