National Weather Service United States Department of Commerce

Severe weather will continue overnight across much of the eastern U.S. and be possible again on Monday from the Gulf Coast to the coastal Carolinas.

The severe weather threat will continue into the overnight hours for a large portion of the eastern U.S. from the Ohio Valley to the Mid-Atlantic and Northeast. On Monday, the severe weather threat area will cover a narrow swath along a sharply defined cold front from the Gulf Coast through the Southeast and up to the coastal Carolinas during the afternoon and evening.
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Current Conditions

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Willow Grove, Naval Air Station PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Severe Thunderstorms Chance for Measurable Precipitation 80%

Severe
Thunderstorms

Low: 70 °F

Monday

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 80 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 59 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 79 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 81 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 83 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 61 °F

Detailed Forecast

  • Overnight Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some storms could be severe, with large hail, damaging winds, heavy rain, and frequent lightning. Low around 70. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Monday Scattered showers, mainly between 11am and 5pm. Partly sunny, with a high near 80. West wind 11 to 17 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Night Mostly cloudy, with a low around 59. Northwest wind 5 to 10 mph.
  • Tuesday Mostly sunny, with a high near 79. Northwest wind 6 to 8 mph.
  • Tuesday Night Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
  • Wednesday Mostly sunny, with a high near 81.
  • Wednesday Night Partly cloudy, with a low around 60.
  • Thursday Mostly sunny, with a high near 83.
  • Thursday Night Partly cloudy, with a low around 61.
  • Friday Mostly sunny, with a high near 83.
  • Friday Night Mostly cloudy, with a low around 62.
  • Saturday A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.