Severe Storms And Heavy Rain Is Expected In The Central/Southern Plains; Locally Heavy Rain/Scattered Storms In East/South; Poor Air Quality Persists Out West

Late afternoon and evening severe thunderstorms with heavy rainfall is expected from the Front Range of the Central/Southern Rockies into the High Plains. Meanwhile in the East and South, a slow moving front will trigger scattered storms with locally heavy rain. Finally, smoke from numerous ongoing wildfires in the West are requiring alerts throughout the region and even into the Upper Midwest. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

26°C

79°F

Humidity 74%
Wind Speed W 9 km/h
Barometer 1009.2 mb (29.80 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 18 Aug 5:54 pm EDT
Extended Forecast for

Philadelphia PA

Flash Flood Watch until August 19, 12:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until August 19, 12:00am

    NOW until
    12:00am Sun

    Flash Flood Watch

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then scattered showers and thunderstorms between 10pm and 4am, then isolated showers after 4am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 22. West wind 5 to 14 km/h becoming north after midnight.  Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Heavy Rain

    Low: 22 °C

  • Sunday

    Sunday: Scattered showers and thunderstorms.  Cloudy, with a high near 26. Northeast wind 8 to 10 km/h.  Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    Scattered
    Showers

    High: 26 °C

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 19. Northeast wind 11 to 14 km/h.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 19 °C

  • Monday

    Monday: Partly sunny, with a high near 27. Northeast wind 11 to 13 km/h.

    Partly Sunny

    High: 27 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 19. East wind 8 to 11 km/h.

    Mostly Cloudy

    Low: 19 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 28. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 28 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 22 °C

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 30. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 30 °C

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 10pm, then scattered showers and thunderstorms between 10pm and 4am, then isolated showers after 4am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 22. West wind 5 to 14 km/h becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday
Scattered showers and thunderstorms. Cloudy, with a high near 26. Northeast wind 8 to 10 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Northeast wind 11 to 14 km/h. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 27. Northeast wind 11 to 13 km/h.
Monday Night
Mostly cloudy, with a low around 19. East wind 8 to 11 km/h.
Tuesday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 28. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Sunny, with a high near 28.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 29.
Click Map For Forecast
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 8 m)
3:37 pm EDT Aug 18, 2018
6pm EDT Aug 18, 2018-6pm EDT Aug 25, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database