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.

Overcast

82°F

28°C

Humidity 72%
Wind Speed SE 10 G 23 mph
Barometer 29.59 in (1002.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Jul 4:54 pm EDT
Extended Forecast for

Philadelphia PA

Flood Watch July 28, 05:44pm until July 29, 02:00pm
Tornado Watch until July 28, 10:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch July 28, 05:44pm until July 29, 02:00pm
    Tornado Watch until July 28, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 83 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 2am. Some of the storms could be severe and produce heavy rainfall. Low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, mainly between 8pm and 9pm. Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then 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%.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 83. South wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 2am. Some of the storms could be severe and produce heavy rainfall. Low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms, mainly between 8pm and 9pm. Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. North wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 69.
Sunday
A chance of showers. Partly sunny, with a high near 85. 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. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
Last Update:
4:28 pm EDT Jul 28, 2026
Forecast Valid:
5pm EDT Jul 28, 2026-6pm EDT Aug 4, 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