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Risk of severe thunderstorms from Florida to the Great Lake States

Storms may contain strong, damaging winds and hail. Locally heavy rain is also possible in southern California and the Desert Southwest. Very hot conditions continue in the lower Mississippi Valley and the Deep South.
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Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Mostly Cloudy

80°F

27°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Jul 7:54 am EDT
Extended Forecast for

2 Miles NW Cornwells PA

Excessive Heat Warning until Thursday 06:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until Thursday 06:00pm

    NOW until
    6:00pm Thu

    Excessive Heat Warning

  • Today

    Today: Showers and thunderstorms likely, mainly after 2pm. Some of the storms could produce gusty winds and heavy rain.  Partly sunny, with a high near 90. Southwest wind 7 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms then
    Heavy Rain

    High: 90 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 70. Southwest wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 70 °F

  • Friday

    Friday: Sunny, with a high near 91. West wind 7 to 10 mph.

    Sunny

    High: 91 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 68. Southwest wind around 6 mph.

    Mostly Clear

    Low: 68 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Southwest wind 5 to 14 mph.

    Mostly Sunny

    High: 91 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 2pm. Some of the storms could produce gusty winds and heavy rain. Partly sunny, with a high near 90. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 70. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 91. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 68. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 91. Southwest wind 5 to 14 mph.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
2 Miles NW Cornwells PA
 40.09°N 74.98°W (Elev. 98 ft)
6:51 am EDT Jul 30, 2015
8am EDT Jul 30, 2015-6pm EDT Aug 5, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database