Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy with Haze

80°F

27°C

Humidity	62%
Wind Speed	SE 6 mph
Barometer	30.07 in (1018.2 mb)
Dewpoint	66°F (19°C)
Visibility	6.00 mi
Heat Index	82°F (28°C)
Last update	26 Jul 7:54 pm EDT

More Information:

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

Extended Forecast for

Collingdale PA

Tonight
Low: 72 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 85 °F
Chance
Showers then
T-storms
Sunday Night
Low: 75 °F
Showers
Likely then
Chance
Showers
Monday
High: 93 °F
Sunny
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny
Wednesday Night
Low: 75 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Areas of smoke. Mostly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 85. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Sunny, with a high near 93. Heat index values as high as 100. North wind around 5 mph.

Monday Night

Mostly clear, with a low around 76. Calm wind.

Tuesday

Sunny, with a high near 96.

Tuesday Night

Mostly clear, with a low around 77.

Wednesday

Sunny, with a high near 96.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.