Heavy Rain and Storms in the East; Fire Weather Threats in the West

A slow moving frontal system will bring strong to severe storms and locally heavy rain from the Northeast to the southern Plains. Meanwhile, Fire Weather threats remain elevated over the northern Inter-Mountain West, as Red Flag Warnings and Fire weather watches are in effect. Also, the potential for isolated dry thunderstorms remains possible across this portion of the West. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

91°F

33°C

Humidity 56%
Wind Speed S 13 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Aug 2:54 pm EDT
Extended Forecast for

Philadelphia PA

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe.  Mostly cloudy, with a high near 92. Heat index values as high as 101. Southwest wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    High: 92 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 8pm and 1am. Some storms could be severe, with damaging winds and heavy rain.  Cloudy, with a low around 76. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    Low: 76 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rain.  Cloudy, with a high near 89. West wind 6 to 11 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 89 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rain.  Cloudy, with a low around 71. West wind 5 to 9 mph becoming northeast after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 71 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 80. Northeast wind around 9 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 80 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 65 °F

  • Monday

    Monday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 85. Chance of precipitation is 40%.

    Partly Sunny
    then Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 92. Heat index values as high as 101. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly between 8pm and 1am. Some storms could be severe, with damaging winds and heavy rain. Cloudy, with a low around 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rain. Cloudy, with a high near 89. West wind 6 to 11 mph. Chance of precipitation is 40%. 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 before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rain. Cloudy, with a low around 71. West wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
12:36 pm EDT Aug 17, 2018
3pm EDT Aug 17, 2018-6pm EDT Aug 24, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database