Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

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Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Partly Cloudy

88°F

31°C

Humidity	43%
Wind Speed	W 10 mph
Barometer	30.04 in (1017.1 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	3 Aug 1:54 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Philadelphia PA

Tropical Storm Warning until further notice

Flash Flood Watch August 3, 10:00pm until August 5, 12:00am

Click here for hazard details and duration

Tropical Storm Warning until further notice

Flash Flood Watch

Tropical Storm Warning until further notice

NOW until further notice

Tropical Storm Warning
This
Afternoon

Heavy Rain
High: 89 °F
Tonight

Heavy Rain
Low: 73 °F
Tuesday

Tropical
Storm
Conditions
Expected
High: 78 °F
Tuesday
Night

Heavy Rain
then Chance
T-storms
Low: 71 °F
Wednesday

Chance
Showers
High: 86 °F
Wednesday
Night

Slight Chance
Showers then
Partly Cloudy
Low: 67 °F
Thursday

Partly Sunny
High: 84 °F
Thursday
Night

Chance
T-storms
Low: 69 °F

Detailed Forecast

This Afternoon

A chance of showers after 5pm. The rain could be heavy at times. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 73. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

Tropical storm conditions expected. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Tuesday Night

Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Some of the storms could produce heavy rainfall. Low around 71. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

A chance of showers and thunderstorms before 9am, then a slight chance of showers. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A slight chance of showers before 9pm. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

Thursday

Partly sunny, with a high near 84.

Thursday Night

A chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Friday

A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 88.