Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Heat Advisory until August 8, 08:00 PM EDT

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

89°F

32°C

Humidity	62%
Wind Speed	S 8 mph
Barometer	30.09 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	6 Aug 5:35 pm EDT

More Information:

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

Extended Forecast for

Conshohocken PA

Heat Advisory August 6, 05:59pm until August 8, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 6, 05:59pm until August 8, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 91 °F
Isolated
T-storms
Tonight
Low: 73 °F
Scattered
T-storms and
Patchy Fog
Friday
High: 91 °F
Patchy Fog
then Slight
Chance
T-storms
Friday Night
Low: 73 °F
Showers
Likely then
Chance
Showers
Saturday
High: 90 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 20%.

Tonight

Scattered showers and thunderstorms, mainly before 10pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 90.

Sunday Night

Mostly clear, with a low around 70.

Monday

Sunny, with a high near 91.

Monday Night

Partly cloudy, with a low around 73.