National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

Current Conditions

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7 Day Forecast

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Philadelphia, PA Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 33 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 53 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 50 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 72 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 49 °F

Tuesday

Sunny

Sunny

High: 54 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Wednesday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 43 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 31 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 33. Southwest wind around 9 mph.
  • Sunday Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph.
  • Sunday Night Showers, with thunderstorms also possible after 3am. Some of the storms could produce heavy rainfall. Low around 50. Breezy, with a southeast wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
  • Monday A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Mostly cloudy, with a high near 72. South wind around 18 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
  • Monday Night A chance of showers between 8pm and 1am. Mostly cloudy, with a low around 49. South wind 13 to 16 mph becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Sunny, with a high near 54.
  • Tuesday Night Mostly cloudy, with a low around 36.
  • Wednesday Rain and snow. High near 43. Chance of precipitation is 80%.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
  • Thanksgiving Day Mostly sunny, with a high near 46.
  • Thursday Night Partly cloudy, with a low around 34.
  • Friday Mostly sunny, with a high near 42.
  • Friday Night Partly cloudy, with a low around 27.
  • Saturday Sunny, with a high near 38.