Multiple rounds of storms through Thursday

A briefing on the multiple rounds of storms through Thursday, September 3. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from September 3, 11:00 AM EDT until September 3, 08:00 PM EDT

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Conshohocken PA

Heat Advisory September 3, 11:00am until September 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 90 °F
Heavy Rain
Tonight
Low: 71 °F
Chance
T-storms
Friday
High: 88 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 65 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 82 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Labor Day
High: 80 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Heat index values as high as 101. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 88. Northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 82. North wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 58.

Sunday

Sunny, with a high near 78.

Sunday Night

Mostly clear, with a low around 56.

Labor Day

Sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 59.