Severe Thunderstorms and Flash Flooding Risks - Saturday, July 18th

Scattered to numerous severe thunderstorms are likely across the region on Saturday, July 18th, including a risk of flash flooding for portions of the area. 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.

Smoke

84°F

29°C

Humidity	53%
Wind Speed	SW 6 mph
Barometer	30.00 in (1015.9 mb)
Dewpoint	65°F (18°C)
Visibility	3.00 mi
Heat Index	86°F (30°C)
Last update	17 Jul 7:54 pm EDT

More Information:

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

Extended Forecast for

Philadelphia PA

Flood Watch July 18, 10:00am until July 19, 02:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 72 °F
Smoke
Saturday
High: 88 °F
Showers
Likely then
Heavy Rain
Saturday Night
Low: 72 °F
Heavy Rain
then Chance
Showers
Sunday
High: 85 °F
Becoming
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 87 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 72 °F
Showers

Detailed Forecast

Tonight

Widespread smoke. Mostly cloudy, with a low around 72. Calm wind.

Saturday

Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Areas of smoke before noon. High near 88. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Partly sunny through mid morning, then becoming sunny, with a high near 85. Northwest wind around 10 mph.

Sunday Night

Mostly clear, with a low around 64. North wind around 5 mph.

Monday

Sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 72. Chance of precipitation is 80%.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

Wednesday Night

A chance of thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 82.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 85.