Briefing for Flash Flood, Severe Thunderstorm, and Heat Risks through Thursday

Scattered showers and thunderstorms with locally heavy rainfall may lead to areas of flash flooding through tonight. There is potential for isolated severe thunderstorms with damaging wind gusts tonight and Thursday. Hot and very humid conditions are expected Thursday. See this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

87°F

31°C

Humidity	70%
Wind Speed	S 8 mph
Barometer	29.95 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	16 Jul 5:35 pm EDT

More Information:

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

Extended Forecast for

Plymouth Meeting PA

Flood Watch until July 17, 03:00am

Heat Advisory July 17, 10:00am until July 17, 08:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Flood Watch until July 17, 03:00am
NOW until 3:00am Thu
Flood Watch
This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 74 °F
Showers
Likely then
Chance
T-storms
Thursday
High: 93 °F
Chance
T-storms
Thursday Night
Low: 74 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 87 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 72 °F
Showers
Likely

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 101. West wind 5 to 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 74. Southwest wind around 5 mph. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 86. Northwest wind around 5 mph.

Friday Night

Partly cloudy, with a low around 67.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 86.

Monday Night

Partly cloudy, with a low around 66.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 67.