Heavy Rain and Strong-to-Severe Thunderstorms from the Central Miss. Valley to the Mid-Atlantic

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area. Read More >

Current conditions at

Philadelphia, Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 302ft.

Mostly Cloudy

88°F

31°C

Humidity 52%
Wind Speed SE 3 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 28 Jul 12:15 pm EDT
Extended Forecast for

Willow Grove, Naval Air Station PA

Flash Flood Watch July 28, 02:00pm until July 29, 07:00pm
Click here for hazard details and duration
Flash Flood Watch
  • This
    Afternoon

    This Afternoon: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 91. Calm wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 73 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 2pm. Some of the storms could produce gusty winds and heavy rain.  Cloudy, with a high near 83. Southeast wind 6 to 10 mph becoming north in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 83 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 84. Light and variable wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 84 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 69 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Cloudy, with a high near 83. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 69.

    Mostly Cloudy

    Low: 69 °F

  • Monday

    Monday: Partly sunny, with a high near 83.

    Partly Sunny

    High: 83 °F

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers and thunderstorms likely, mainly before 2pm. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a high near 83. Southeast wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms. Cloudy, with a high near 83. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Willow Grove, Naval Air Station PA
 40.2°N 75.14°W (Elev. 318 ft)
9:35 am EDT Jul 28, 2016
12pm EDT Jul 28, 2016-6pm EDT Aug 3, 2016
 
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Additional Resources

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