National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flash Flooding and Severe Thunderstorms Tuesday, July 28th - Wednesday, July 29th

Scattered to numerous thunderstorms are likely across the region Tuesday, July 28th through Wednesday, July 29th which will bring a risk of flash flooding and severe thunderstorms across the entire region. View this briefing for the details regarding these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

75°F

24°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 28 Jul 7:54 am EDT
Extended Forecast for

East Lansdowne PA

Flood Watch until July 29, 02:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until July 29, 02:00pm

    NOW until 2:00pm Wed

    Flood Watch

  • Today

    High: 82 °F

    Chance
    T-storms then
    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could produce heavy rainfall. Low around 67. South wind around 5 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Heavy Rain
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 81. Northwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

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

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rainfall. High near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could produce heavy rainfall. Low around 67. South wind around 5 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Mostly sunny, with a high near 82. West wind 5 to 10 mph.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 81. Northwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Lansdowne PA
 39.94°N 75.25°W (Elev. 98 ft)
Last Update:
4:08 am EDT Jul 28, 2026
Forecast Valid:
8am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation