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

Norristown PA

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

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 78 °F
Chance
T-storms
Tonight
Low: 69 °F
T-storms
Likely
Thursday
High: 90 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms
Friday
High: 86 °F
Partly Sunny
then Chance
Showers
Friday Night
Low: 63 °F
Chance
Showers then
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 78 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, mainly before 4pm. Cloudy, with a high near 78. East 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

Showers and thunderstorms likely, mainly between 1am and 3am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, mainly after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. 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 2am. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light northwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%. 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. Partly cloudy, with a low around 63. 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 81.

Saturday Night

Mostly clear, with a low around 59.

Sunday

Sunny, with a high near 78.

Sunday Night

Partly cloudy, with a low around 58.

Labor Day

Mostly sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 61.